[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2024.04.01"]
[Round "8"]
[White "Kostov, Deyan Samuil"]
[Black "Milov, Leonid"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2328"]
[BlackElo "2415"]
[PlyCount "53"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. Bxf6 Bxf6 6. e4 0-0 7. Bd3 d5 8. exf5 exf5 9. 0-0 Nc6 10. c3 Qd6 11. Re1 Bd7 12. Qc2 g6 13. b4 Rae8 14. Rxe8 Rxe8 15. Re1 Rxe1+ 16. Nxe1 Nd8 17. g3 Ne6 18. f4 Nxd4 19. cxd4 Bxd4+ 20. Kf1 Qxb4 21. Qxc7 Qxd2 22. Qd8+ Kg7 23. Qe7+ Kg8 24. Qd8+ Kg7 25. Qe7+ Kg8 26. Qd8+ Kg7 27. Qe7+ 1/2-1/2

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2024.04.01"]
[Round "9"]
[White "Krstulovic, Alex"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2431"]
[BlackElo "2328"]
[PlyCount "118"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Be7 6. Bb2 0-0 7. dxc5 Bxc5 8. Nbd2 b6 9. 0-0 Bb7 10. c4 dxc4 11. Nxc4 Nc6 12. Qe2 Nb4 13. Bb1 b5 14. Nce5 a6 15. Rd1 Qe7 16. a3 Nbd5 17. Nd3 Ba7 18. e4 Nxe4 19. Qxe4 Ne3 20. Qxe3 Bxe3 21. fxe3 Rfd8 22. Bd4 Bxf3 23. gxf3 Qg5+ 24. Kh1 f6 25. Ra2 e5 26. Bb6 Qh5 27. Rf1 Rd6 28. Ba5 Rc8 29. Rg2 Qh6 30. Rfg1 g6 31. Bb4 Rdc6 32. Bd2 Rd8 33. Ba5 Rdc8 34. Bd2 Kg7 35. Nf2 Kh8 36. Be4 R6c7 37. Bd5 Rc2 38. Ng4 Qf8 39. e4 Qxa3 40. Ne3 R2c7 41. Ng4 Rc2 42. Nh6 Rxd2 43. Rxd2 Rc1 44. Rdg2 Rxg1+ 45. Rxg1 Qb2 46. Nf7+ Kg7 47. Rf1 h5 48. Kg1 h4 49. Rf2 Qc1+ 50. Kg2 Qe3 51. Nd8 h3+ 52. Kg3 Qe1 53. Ne6+ Kh6 54. f4 a5 55. fxe5 fxe5 56. Kf3 g5 57. Ra2 Qg1 58. b4 g4+ 59. Ke2 Qxh2+ 0-1

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2024.03.30"]
[Round "4"]
[White "Kostov, Deyan Samuil"]
[Black "Schlosser, Philipp"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2328"]
[BlackElo "2511"]
[PlyCount "75"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. Bxf6 Bxf6 6. e4 0-0 7. Bd3 d5 8. e5 Be7 9. Qe2 b6 10. 0-0 c5 11. c3 Nc6 12. Rfd1 Bd7 13. c4 Nb4 14. cxd5 Nxd5 15. dxc5 bxc5 16. Bb5 Rb8 17. Bxd7 Qxd7 18. Nc4 Rfd8 19. g3 Qc6 20. Nfd2 Rd7 21. Nd6 Rxb2 22. Qf3 Rb8 23. N2c4 g6 24. h4 Nb4 25. Qb3 Na6 26. Qe3 Nc7 27. Rab1 Rdd8 28. h5 gxh5 29. Qe2 Nd5 30. Rxb8 Rxb8 31. Qxh5 Bxd6 32. exd6 Qd7 33. Ne5 Qxd6 34. Qg5+ Kf8 35. Qh6+ Kg8 36. Qg5+ Kf8 37. Qh6+ Kg8 38. Qg5+ 1/2-1/2

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2024.03.30"]
[Round "5"]
[White "Noe, Christopher"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2527"]
[BlackElo "2328"]
[PlyCount "133"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Be2 0-0 10. Ne5 Nbd7 11. Nc4 Nd5 12. Nbd2 b5 13. Na5 Bb6 14. Ndb3 Ne5 15. Bd2 f5 16. Rac1 f4 17. e4 Nf6 18. Bc3 Ng6 19. Bb4 Re8 20. Bd2 Rf8 21. Bb4 Re8 22. Bc5 Rf8 23. Bb4 Re8 24. Bc5 Bxc5 25. Nxc5 Ne5 26. Rd6 Ng6 27. Rdd1 Ne5 28. Rd6 Ng6 29. Rdd1 Ne5 30. Rd6 Nf7 31. Rb6 Ne5 32. Rd6 Nf7 33. Rb6 Ne5 34. b4 Kf7 35. Rd1 Ned7 36. Nxd7 Nxd7 37. Rb7 Re7 38. Rc7 Ne5 39. Rc5 Nd7 40. Rc3 Ne5 41. Rd8 Re8 42. Rc7+ Bd7 43. Rdxd7+ Nxd7 44. Rxd7+ Re7 45. Rxe7+ Kxe7 46. Nb3 Rc8 47. Nc5 a5 48. a3 axb4 49. axb4 Ra8 50. g3 fxg3 51. hxg3 Kd6 52. Kg2 g5 53. e5+ Kxe5 54. Bxb5 h5 55. Bc6 Rh8 56. b5 g4 57. Na6 Kd6 58. Be4 h4 59. gxh4 Rxh4 60. b6 Rh8 61. b7 Ke5 62. Bc2 Kf4 63. b8Q+ Rxb8 64. Nxb8 e5 65. Nd7 e4 66. Nf6 e3 67. Nd5+ 1-0

[Event "Basel Carnival op"]
[Site "Basel"]
[Date "2024.02.04"]
[Round "5"]
[White "Kostov, Deyan Samuil"]
[Black "Grieve, Harry"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2236"]
[BlackElo "2462"]
[PlyCount "64"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. 0-0 c6 10. Re1 Qc7 11. e4 dxe4 12. Nxe4 Nd5 13. Nxd6+ Qxd6 14. Bf5 0-0 15. Bxe6 fxe6 16. Qb3 a5 17. Re2 a4 18. Qd3 a3 19. b3 Rae8 20. Rae1 Nb4 21. Qb1 Nd5 22. Bd2 Nf4 23. Bxf4 Rxf4 24. Re4 Rxe4 25. Qxe4 Nf6 26. Qc2 g6 27. h3 Kg7 28. Re5 Nd5 29. Qe2 Nc3 30. Qd2 Nd5 31. Qe2 Nc3 32. Qd2 Nd5 1/2-1/2

[Event "Basel Carnival op"]
[Site "Basel"]
[Date "2024.02.04"]
[Round "4"]
[White "Tureshbayev, Anuar"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "1968"]
[BlackElo "2236"]
[PlyCount "126"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. 0-0 c5 7. a3 Nbd7 8. Nc3 b5 9. Be2 Bb7 10. dxc5 Bxc5 11. b4 Be7 12. Bb2 0-0 13. Rc1 Rc8 14. Qb3 Qb6 15. Rfd1 Qa7 16. Nd4 Nb6 17. Rc2 Nbd5 18. Rdc1 Qa8 19. Bf3 Nxc3 20. Bxb7 Qxb7 21. Rxc3 Nd5 22. R3c2 Rfe8 23. Nc6 Bf8 24. e4 Nb6 25. Qd3 Nc4 26. Rxc4 bxc4 27. Qxc4 Qb5 28. Qxb5 axb5 29. Kf1 Rc7 30. Nd4 Rb7 31. Ke2 Bd6 32. Nb3 Rc7 33. Rxc7 Bxc7 34. e5 Rd8 35. f4 Bb6 36. Na5 Kf8 37. Nb7 Rd5 38. Bc3 Ke7 39. Nd6 Bc7 40. Ne4 Bb6 41. Nd6 Bg1 42. h3 f6 43. exf6+ gxf6 44. Ne4 Bd4 45. Bxd4 Rxd4 46. Nc3 Rxf4 47. Nxb5 Rc4 48. Kd3 Rc1 49. Ke3 Rg1 50. Kf3 Ra1 51. g4 Kd7 52. Ke4 Rh1 53. Nd4 Rxh3 54. a4 Rg3 55. Kf4 Ra3 56. Nc2 Rxa4 57. g5 fxg5+ 58. Kxg5 Ra2 59. Nd4 Rd2 60. Nb3 Rd5+ 61. Kf4 Kc6 62. Na5+ Kd6 63. Nc4+ Kc7 0-1

[Event "Basel Carnival op"]
[Site "Basel"]
[Date "2024.02.03"]
[Round "3"]
[White "Kostov, Deyan Samuil"]
[Black "Gusain, Himal"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2236"]
[BlackElo "2491"]
[PlyCount "112"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. Bd3 Bd6 6. Qc2 Nh6 7. Bd2 0-0 8. Nge2 Kh8 9. h3 Nd7 10. cxd5 exd5 11. g4 Nb6 12. g5 Qxg5 13. e4 Qh4 14. e5 Be7 15. Bf4 Nf7 16. 0-0-0 Bg5 17. Qd2 Bxf4 18. Qxf4 Qe7 19. h4 Nd8 20. Qg5 Qxg5+ 21. hxg5 Ne6 22. g6 h6 23. f4 Bd7 24. Rh5 Nc8 25. Rxf5 Rxf5 26. Bxf5 Ne7 27. Bc2 Rf8 28. Rf1 Be8 29. f5 Bxg6 30. Ng3 Nxd4 31. fxg6 Rxf1+ 32. Nxf1 Nxc2 33. Kxc2 Nxg6 34. e6 Kg8 35. Ng3 Nh4 36. Nce2 Kf8 37. Nd4 g6 38. b4 Ke7 39. Nge2 Ng2 40. a4 h5 41. Kd2 h4 42. b5 c5 43. Nb3 c4 44. Nbd4 h3 45. Nf3 Kxe6 46. Ng5+ Ke5 47. Nxh3 d4 48. Ng5 d3 49. Nc3 Nh4 50. Nd1 Kd4 51. Ne6+ Kd5 52. Ng5 Nf5 53. Kc3 Nd6 54. Nf3 Kc5 55. Nd2 g5 56. Ne3 Nxb5+ 1/2-1/2

[Event "Basel Carnival op"]
[Site "Basel"]
[Date "2024.02.03"]
[Round "2"]
[White "Kostov, Deyan Samuil"]
[Black "Locher, Helmut"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2236"]
[BlackElo "1761"]
[PlyCount "63"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. e3 c6 4. Nc3 Nf6 5. Bd3 Be7 6. Nge2 0-0 7. 0-0 Bg4 8. Qc2 Bh5 9. Ng3 Bg6 10. dxe5 Bxd3 11. Qxd3 dxe5 12. Qc2 Nbd7 13. Rd1 Qc7 14. Nf5 Nc5 15. b3 Ne6 16. Bb2 Rfd8 17. Nxe7+ Qxe7 18. Ne2 Qc7 19. Ng3 a5 20. Qf5 Nd7 21. Ne4 Ndf8 22. Bxe5 Rxd1+ 23. Rxd1 Rd8 24. Rxd8 Qxd8 25. h3 Ng6 26. Bc3 a4 27. Nd2 axb3 28. axb3 Qd6 29. Qc2 Ng5 30. f4 Nh4 31. fxg5 Qg3 32. Qe4 1-0

[Event "Basel Carnival op"]
[Site "Basel"]
[Date "2024.02.02"]
[Round "1"]
[White "Betsche, Tim"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1595"]
[BlackElo "2236"]
[PlyCount "42"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Bd3 Nc6 7. 0-0 cxd4 8. cxd4 Be7 9. Nc3 Qd6 10. Be3 b6 11. Rc1 0-0 12. Nd2 Bb7 13. Nc4 Qd8 14. Bb1 Rc8 15. a3 Nb4 16. Qe2 Nbd5 17. Rfd1 Nxc3 18. Rxc3 Qd5 19. f3 Qh5 20. g4 Qh3 21. Nd2 Bd6 0-1

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "6"]
[White "Fernandez Sanchez, Mario Andres"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2032"]
[BlackElo "2233"]
[PlyCount "170"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nc3 e6 4. Nb5 Bd6 5. Nxd6+ cxd6 6. Nf3 Nc6 7. e3 0-0 8. c3 Re8 9. h3 h6 10. Be2 e5 11. Bh2 Bf5 12. 0-0 Qd7 13. Qb3 g5 14. Rad1 e4 15. Nd2 Rac8 16. Qa3 Red8 17. c4 Be6 18. b3 a6 19. Rc1 Ne7 20. cxd5 Bxd5 21. Rxc8 Nxc8 22. Rc1 Na7 23. Bc4 Nb5 24. Qb4 Bc6 25. a4 Nc7 26. Be2 Ncd5 27. Qa3 Ne7 28. Nc4 Nf5 29. Bg4 Nxg4 30. hxg4 Nh4 31. Qxd6 Qc8 32. Qg3 Bd7 33. Qe5 b5 34. axb5 axb5 35. Qxe4 bxc4 36. bxc4 Bxg4 37. Be5 Bf3 38. gxf3 Qh3 39. f4 Nf3+ 40. Qxf3 Qxf3 41. fxg5 hxg5 42. c5 Qg4+ 43. Bg3 Qe6 44. c6 Rc8 45. c7 f5 46. Be5 f4 47. exf4 gxf4 48. Kf1 f3 49. Rc3 Qh3+ 50. Ke1 Ra8 51. Kd2 Qh6+ 52. Kd3 Qg6+ 53. Ke3 Qg5+ 54. Kxf3 Rf8+ 55. Ke2 Qg4+ 56. Ke1 Qg1+ 57. Kd2 Rxf2+ 58. Kd3 Qf1+ 59. Ke4 Qg2+ 60. Kd3 Rf3+ 61. Kc4 Qe2+ 62. Kb4 Rxc3 63. Kxc3 Qe3+ 64. Kc4 Qh3 65. Kc5 Qd7 66. Bd6 Kf7 67. d5 Ke8 68. Bf4 Qc8 69. d6 Kd7 70. Kd4 Qb7 71. Ke5 Kc8 72. Bg5 Qb2+ 73. Kf5 Kd7 74. Be7 Qd4 75. Kg5 Qd5+ 76. Kf6 Qb7 77. Kf5 Qc8 78. Ke5 Kc6 79. Kf6 Qd7 80. Ke5 Kc5 81. Ke4 Qe6+ 82. Kd3 Kd5 83. Kc3 Qg4 84. Kd3 Qh3+ 85. Kc2 Kc4 0-1

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "5"]
[White "Fromm, Marius"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2437"]
[BlackElo "2233"]
[PlyCount "95"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. f3 e5 7. Nb3 Be7 8. Be3 0-0 9. Qd2 a5 10. Bb5 Na7 11. Bxa7 Rxa7 12. 0-0-0 Be6 13. g4 Nxg4 14. Kb1 Nf6 15. Rhg1 g6 16. f4 exf4 17. Qxf4 Qb6 18. Nd4 Kh8 19. Nxe6 fxe6 20. e5 Nd7 21. Qg4 Nc5 22. exd6 Bf6 23. Rgf1 Raa8 24. Qg3 Bg7 25. d7 Rxf1 26. Rxf1 Rd8 27. Rd1 Bf6 28. a4 Kg7 29. h4 Qa7 30. Qc7 Nxd7 31. Rxd7+ Rxd7 32. Qxd7+ Kh6 33. Qxe6 Bxc3 34. bxc3 Qc5 35. Qf6 b6 36. Be2 Qa3 37. Bb5 Qc5 38. Kb2 Qe3 39. Bd3 Qc5 40. Kb3 Qe3 41. Qf8+ Kh5 42. Qg7 h6 43. Qxg6+ Kxh4 44. Bf5 Qg5 45. Qxg5+ Kxg5 46. Bd7 Kf4 47. Kc4 Ke5 48. Kb5 1-0

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "9"]
[White "Hoffmann, Asa"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2185"]
[BlackElo "2233"]
[PlyCount "104"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 c5 3. dxc5 Nc6 4. c3 f6 5. Bh4 e5 6. e4 dxe4 7. Qxd8+ Nxd8 8. Nd2 Bf5 9. Bb5+ Nc6 10. Ne2 Bxc5 11. Ng3 Be6 12. Ngxe4 Be7 13. 0-0-0 a6 14. Bxc6+ bxc6 15. f3 Nh6 16. b3 Kf7 17. Bf2 a5 18. a4 Rab8 19. Kc2 Nf5 20. g4 Nd6 21. c4 Nb7 22. h4 Rhd8 23. h5 h6 24. Be3 Bb4 25. f4 exf4 26. Bxf4 Rbc8 27. Rhg1 Nd6 28. Nxd6+ Bxd6 29. Bxd6 Rxd6 30. Ne4 Rxd1 31. Kxd1 Rd8+ 32. Kc2 Rd4 33. Nf2 c5 34. Rg3 Ke7 35. Kc3 Kd6 36. Rd3 Rxd3+ 37. Kxd3 f5 38. gxf5 Bxf5+ 39. Kd2 Ke5 40. Nd1 Bg4 41. Nb2 Bxh5 42. Nd3+ Kd4 43. Nf4 Bf7 44. Ne2+ Ke5 45. Nc3 h5 46. Ke3 h4 47. Kf3 g5 48. Nb5 Be6 49. Nc7 g4+ 50. Kg2 Bf5 51. Na6 Kd4 52. Kh2 Bc2 0-1

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "11"]
[White "Karttunen, Mika"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2489"]
[BlackElo "2233"]
[PlyCount "49"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 Bd7 7. f4 Rc8 8. Nf3 Qa5 9. Qd2 e6 10. a3 Be7 11. 0-0-0 0-0 12. Kb1 Rfd8 13. Bd3 Be8 14. Qe1 Nd7 15. Bxe7 Nxe7 16. e5 d5 17. Nxd5 Qxd5 18. Qh4 Qc5 19. Qxh7+ Kf8 20. Qh8+ Ng8 21. Bh7 Ke7 22. Qxg7 Ngf6 23. exf6+ Nxf6 24. Ne5 b5 25. Ng6# 1-0

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "1"]
[White "Kostov, Deyan Samuil"]
[Black "Bernadskiy, Vitaliy"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2233"]
[BlackElo "2558"]
[PlyCount "96"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. a3 f5 5. d5 Bd6 6. g3 Nf6 7. Bg2 Be5 8. e3 Bxc3+ 9. bxc3 Na6 10. Ne2 Nc5 11. 0-0 0-0 12. a4 Ba6 13. dxe6 dxe6 14. Bxa8 Qxa8 15. Nd4 Bxc4 16. Re1 Rd8 17. Qc2 Nfe4 18. Ba3 Ng5 19. h4 Nf3+ 20. Nxf3 Qxf3 21. Bxc5 bxc5 22. e4 Bd3 23. Qd2 fxe4 24. Re3 Qf5 25. Rae1 Rd5 26. Qb2 h6 27. Qb8+ Kh7 28. Qxc7 a6 29. a5 e5 30. Qc6 Qf7 31. Rxe4 Bxe4 32. Rxe4 Rd2 33. Qxc5 Qf3 34. Re1 e4 35. Qe3 Qxe3 36. Rxe3 Ra2 37. Rxe4 Rxa5 38. Re6 Rc5 39. Rxa6 Rxc3 40. Kg2 Rd3 41. g4 Rc3 42. f3 g5 43. hxg5 hxg5 44. Kg3 Kg7 45. Ra5 Kg6 46. Ra6+ Kg7 47. Ra5 Kg6 48. Ra6+ Kg7 1/2-1/2

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "7"]
[White "Kostov, Deyan Samuil"]
[Black "Caruana, Fabiano"]
[Result "0-1"]
[ECO "A44"]
[WhiteElo "2233"]
[BlackElo "2794"]
[PlyCount "140"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. c4 d6 4. Nc3 Be7 5. Nf3 f5 6. e4 f4 7. h3 Nf6 8. Be2 0-0 9. Bd2 Bd7 10. Qc2 Na6 11. a3 Nc7 12. Bd3 Qe8 13. a4 Na6 14. Nb5 Qg6 15. Rg1 Qh5 16. Be2 Qg6 17. Bd3 Rfc8 18. g4 Nb4 19. Bxb4 cxb4 20. Nbd4 Qe8 21. Nf5 Bxf5 22. gxf5 Nd7 23. b3 Nc5 24. Qd1 Qh5 25. Bc2 Kh8 26. Ke2 Rg8 27. Qf1 Bd8 28. Rg4 Nd7 29. Qg2 Nf6 30. Rg5 Qf7 31. Rg1 a6 32. h4 b5 33. h5 bxc4 34. h6 gxh6 35. Rxg8+ Qxg8 36. Qh3 Qf8 37. bxc4 Rc8 38. Nd2 Bb6 39. Bd3 a5 40. Qh4 Rc7 41. Nf3 Rb7 42. Nd2 Rc7 43. Nf3 Rb7 44. Nd2 Bd8 45. Qh3 b3 46. Rb1 b2 47. Bc2 h5 48. Nb3 Qg7 49. Rxb2 Qg4+ 50. Qf3 Rb4 51. Bd3 Bb6 52. Bc2 Rxc4 53. Nd2 Rc8 54. Bd3 Bd4 55. Rb7 Rc3 56. Rb3 Rc1 57. Rb8+ Kg7 58. Rb7+ Kh6 59. Rb3 Kg5 60. Qxg4+ hxg4 61. Bb5 f3+ 62. Nxf3+ gxf3+ 63. Rxf3 Ng4 64. Rg3 Rc2+ 65. Kf1 Rxf2+ 66. Ke1 h5 67. f6 Rxf6 68. Bd7 Rf4 69. Bf5 h4 70. Ke2 hxg3 0-1

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "10"]
[White "Kostov, Deyan Samuil"]
[Black "Koridze, Lile"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2233"]
[BlackElo "2158"]
[PlyCount "63"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c6 8. Nf3 Nbd7 9. 0-0 Qc7 10. a4 e5 11. Be2 e4 12. Nd2 Re8 13. Ba3 Nf8 14. cxd5 cxd5 15. c4 b6 16. Rc1 Qd8 17. cxd5 Qxd5 18. Bc4 Qg5 19. f4 exf3 20. Qxf3 Qxe3+ 21. Qxe3 Rxe3 22. Bd6 Bb7 23. Bxf7+ Kxf7 24. Rc7+ Ke6 25. Bxf8 Rxf8 26. Rxb7 Rd3 27. Nf3 Ra3 28. Rxa7 Rd8 29. Re1+ Kf5 30. Rxg7 Rxa4 31. Nh4+ Kf4 32. g3# 1-0

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "8"]
[White "Kostov, Deyan Samuil"]
[Black "Mesa Cruz, Juan Carlos"]
[Result "0-1"]
[ECO "E49"]
[WhiteElo "2233"]
[BlackElo "2126"]
[PlyCount "110"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 b6 10. 0-0 Ba6 11. a4 Bxd3 12. Qxd3 Re8 13. Ba3 c4 14. Qc2 Nc6 15. Ng3 Qd7 16. Rae1 h5 17. f3 h4 18. Nf5 h3 19. g4 g6 20. Ng3 a6 21. Bc1 b5 22. g5 Nh7 23. e4 b4 24. e5 b3 25. Qb1 Ne7 26. f4 Nf5 27. Nxf5 Qxf5 28. Qxf5 gxf5 29. Rf3 Nf8 30. Rxh3 Ng6 31. Rf3 Kg7 32. Ba3 Rh8 33. e6 Rae8 34. e7 Rh4 35. Bd6 f6 36. h3 fxg5 37. fxg5 Re4 38. Ref1 Re6 39. Ba3 Nxe7 40. Bxe7 R8xe7 41. Rxf5 Re1 42. R5f2 Rxf1+ 43. Kxf1 Re3 44. h4 Rxc3 45. h5 Rc1+ 46. Kg2 Rc2 47. h6+ Kg6 48. Kf3 Rxf2+ 49. Kxf2 b2 50. Ke3 b1Q 51. Kf4 Qe4+ 52. Kg3 Qe3+ 53. Kg4 Qxg5+ 54. Kf3 Qxh6 55. Ke2 Qg5 0-1

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "4"]
[White "Kostov, Deyan Samuil"]
[Black "Rendle, Thomas E"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2233"]
[BlackElo "2378"]
[PlyCount "106"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. Bxf6 Bxf6 6. e4 d5 7. e5 Be7 8. Bd3 c5 9. c3 Nc6 10. 0-0 0-0 11. a3 a5 12. dxc5 Bxc5 13. b4 Ba7 14. Nb3 Bd7 15. Nbd4 Nxd4 16. cxd4 axb4 17. axb4 g5 18. h3 g4 19. hxg4 fxg4 20. Nh2 g3 21. Ng4 gxf2+ 22. Rxf2 Rxf2 23. Nxf2 Qh4 24. Ra3 Rf8 25. Bxh7+ Qxh7 26. Qg4+ Qg7 27. Qxg7+ Kxg7 28. Rxa7 Bc8 29. Nd3 Kg6 30. Ra8 b6 31. Rb8 Kf5 32. Rxb6 Ke4 33. Nc5+ Kxd4 34. Nxe6+ Bxe6 35. Rxe6 Rb8 36. Rd6 Kxe5 37. Rd7 Rxb4 38. Kf2 Rb2+ 39. Kf3 Rb3+ 40. Kf2 Ke4 41. Re7+ Kd4 42. g4 Rb2+ 43. Kf3 Kd3 44. g5 d4 45. g6 Rb1 46. g7 Rg1 47. Rd7 Rg6 48. Kf2 Kc3 49. Ke1 d3 50. Rc7+ Kd4 51. Rd7+ Kc3 52. Rc7+ Kd4 53. Rd7+ Kc3 1/2-1/2

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "3"]
[White "Kostov, Deyan Samuil"]
[Black "Skurikhin, Dmitrij"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2233"]
[BlackElo "2297"]
[PlyCount "99"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Bd3 Bg6 10. Re1 Qa5 11. Qc2 0-0 12. Bxg6 hxg6 13. Bd2 c5 14. h3 Rac8 15. Qb3 Rfd8 16. Rac1 a6 17. Red1 cxd4 18. Nxd4 Nc5 19. Qa2 Nd3 20. Rc2 Qh5 21. Qb1 e5 22. Nf3 e4 23. Nd4 Nc5 24. Nce2 Bxd2 25. Rcxd2 Qe5 26. Nc6 bxc6 27. Rxd8+ Rxd8 28. Rxd8+ Kh7 29. Rd4 Nd5 30. b4 Nd3 31. Ng3 f5 32. Qb3 Qb8 33. Qc4 N3xb4 34. h4 Qe5 35. Qc5 Qf6 36. Rxb4 Nxb4 37. Qxb4 Qxh4 38. Qc4 a5 39. Qxc6 Qd8 40. Qb5 Qd1+ 41. Kh2 Qe1 42. Qe2 Qb4 43. Qc2 Kh6 44. Ne2 Qe1 45. Nd4 Qb4 46. g3 Qe1 47. Kg2 Qb4 48. Qd1 Qa3 49. Qh1+ Kg5 50. Qh4# 1-0

[Event "Titled Tuesday intern op 19th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.19"]
[Round "2"]
[White "Kukhmazov, Arsen"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2498"]
[BlackElo "2233"]
[PlyCount "89"]
[EventDate "2023.12.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 b5 6. e5 b4 7. exf6 bxc3 8. bxc3 Nd7 9. Bxc4 Nb6 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. fxg7 Bxg7 13. Ne2 Qxd5 14. 0-0 Qxd1 15. Rxd1 0-0 16. Be3 Rac8 17. Rab1 e6 18. Rb5 Na4 19. c4 Nb2 20. Rc1 Nd3 21. Rc2 Rfd8 22. f3 Nb4 23. Rd2 Rxd2 24. Bxd2 Nc2 25. Rb7 Rd8 26. Bg5 Rd1+ 27. Kf2 Bd4+ 28. Nxd4 Nxd4 29. Bf6 h6 30. h4 h5 31. Rxa7 Rd2+ 32. Ke3 Rxg2 33. Ra8+ Kh7 34. Rh8+ Kg6 35. Rg8+ Kxf6 36. Rxg2 Nf5+ 37. Ke4 Nxh4 38. Rh2 Kg5 39. a4 f5+ 40. Ke3 Ng6 41. Rg2+ Kf6 42. Rxg6+ Kxg6 43. a5 h4 44. a6 h3 45. Kf2 1-0

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.21"]
[Round "9"]
[White "Kostov, Deyan Samuil"]
[Black "Ronce, Nathan"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2262"]
[BlackElo "2159"]
[PlyCount "71"]
[EventDate "2023.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 e6 6. Bxc4 exd5 7. exd5 d6 8. Ne2 Be7 9. Nbc3 0-0 10. 0-0 Nbd7 11. b3 Nb6 12. Ng3 Nxc4 13. bxc4 Ng4 14. Bd2 g6 15. a4 h5 16. f3 Ne5 17. Nb5 a6 18. Na3 h4 19. Ne4 Rb8 20. h3 Bf5 21. Rab1 Qc7 22. Bc3 Rxb1 23. Rxb1 Rb8 24. Bxe5 Rxb1+ 25. Nxb1 dxe5 26. Qb2 Bd7 27. Nbc3 f5 28. d6 Bxd6 29. Nd5 Qc6 30. Nef6+ Kf7 31. f4 Ke6 32. Nh7 Be8 33. Ng5+ Kd7 34. fxe5 Bc7 35. e6+ Kd6 36. Qf6 1-0

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.20"]
[Round "8"]
[White "Wu, Yixing"]
[Black "Kostov, Deyan Samuil"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2151"]
[BlackElo "2262"]
[PlyCount "60"]
[EventDate "2023.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Ngf3 0-0 6. Bd3 c5 7. c3 Qc7 8. Bxd6 Qxd6 9. Ne5 c4 10. Bc2 b5 11. a3 Bb7 12. g4 Ne4 13. Nxe4 dxe4 14. g5 Nd7 15. Nxd7 Qxd7 16. Qg4 Qd5 17. h4 a5 18. h5 b4 19. h6 g6 20. Rh4 bxc3 21. bxc3 f5 22. gxf6 Rxf6 23. Bxe4 Qxe4 24. Qxe4 Bxe4 25. Rxe4 Rb8 26. f4 g5 27. fxg5 Rf3 28. Rxe6 Rb2 29. Re8+ Kf7 30. Re4 Kg8 1/2-1/2

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "10"]
[White "Grgantov, Marin"]
[Black "Kostov, Deyan Samuil"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2213"]
[BlackElo "2055"]
[PlyCount "60"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 a6 7. Bd3 d6 8. Nxd4 cxd4 9. Ne2 Nh6 10. b3 0-0 11. Bb2 e5 12. Qe1 f5 13. Bc4+ Kh8 14. d3 Ng4 15. Rf3 Ne3 16. Qd2 Nxc4 17. bxc4 fxe4 18. dxe4 Bg4 19. Rf2 Qb6 20. Ba3 d3 21. cxd3 Bxe2 22. Qxe2 Rxf4 23. Raf1 Raf8 24. g3 Rxf2 25. Rxf2 Rxf2 26. Qxf2 Qb1+ 27. Qf1 Qb6+ 28. Kg2 h5 29. Qf7 Kh7 30. Kh3 Qd4 1/2-1/2

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "7"]
[White "Ivanisevic, Ivan"]
[Black "Kostov, Deyan Samuil"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2538"]
[BlackElo "2055"]
[PlyCount "130"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Nbd2 c5 6. dxc5 Bxf4 7. exf4 Qc7 8. g3 Qxc5 9. c3 0-0 10. Bd3 Nc6 11. 0-0 b6 12. Qe2 Bb7 13. Nb3 Qe7 14. Rad1 Rad8 15. Ne5 Nxe5 16. fxe5 Ne4 17. Qe3 Nc5 18. Bc2 Nxb3 19. axb3 d4 20. cxd4 Bd5 21. h4 a5 22. Rd2 Rc8 23. Qd3 g6 24. Qe3 Rc7 25. h5 Rfc8 26. Be4 Bxe4 27. Qxe4 Qg5 28. Qf4 Qxh5 29. d5 exd5 30. Rxd5 Rc5 31. Rfd1 Rxd5 32. Rxd5 Qf5 33. Qxf5 gxf5 34. Rb5 Rc2 35. Rxb6 Rxb2 36. Rb5 Ra2 37. Kg2 a4 38. bxa4 Rxa4 39. Rb6 Kg7 40. Rf6 f4 41. gxf4 Ra3 42. f3 Ra1 43. Rd6 Ra4 44. Kg3 Ra1 45. f5 Ra5 46. Kf4 h6 47. f6+ Kg6 48. Rd4 Rb5 49. Ke4 Rb1 50. Rd8 Rb4+ 51. Kd5 Rb5+ 52. Kd6 Rb6+ 53. Kd7 Re6 54. f4 Kf5 55. Rf8 Kxf4 56. Rxf7 Rxe5 57. Re7 Rd5+ 58. Ke8 h5 59. f7 Rf5 60. f8Q Rxf8+ 61. Kxf8 h4 62. Rg7 h3 63. Ke7 h2 64. Rh7 Kg3 65. Ke6 Kg2 1/2-1/2

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "11"]
[White "Kostov, Deyan Samuil"]
[Black "Gal, Andrej"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2055"]
[BlackElo "2037"]
[PlyCount "64"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 a5 8. g4 Na6 9. Be3 c6 10. Be2 cxd5 11. cxd5 Nc5 12. Nd2 a4 13. g5 Ne8 14. h4 Bd7 15. h5 f5 16. gxf6 Qxf6 17. hxg6 hxg6 18. Qc2 Nc7 19. 0-0-0 b5 20. a3 Rfb8 21. Na2 N7a6 22. Kb1 b4 23. axb4 Nxb4 24. Nxb4 Rxb4 25. Bxc5 dxc5 26. Nc4 a3 27. b3 Ba4 28. Rd3 Rab8 29. Rhh3 Qxf2 30. Ka2 Rxc4 31. Qxc4 Qxe2+ 32. Kxa3 Bb5 0-1

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "7"]
[White "Kostov, Deyan Samuil"]
[Black "Ozen, Deniz"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2262"]
[BlackElo "2382"]
[PlyCount "40"]
[EventDate "2023.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 e5 8. cxd5 cxd5 9. Nb5 Bb4+ 10. Bd2 Bxd2+ 11. Nxd2 0-0 12. Be2 a6 13. dxe5 Nxe5 14. Nd4 Bg4 15. Bxg4 Nfxg4 16. 0-0 Rc8 17. Qb1 Re8 18. N2f3 Nxf3+ 19. Nxf3 Qd6 20. Qb2 Nf6 1/2-1/2

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "3"]
[White "Kostov, Deyan Samuil"]
[Black "Prvinic, Igor"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2055"]
[BlackElo "1706"]
[PlyCount "111"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Be7 5. Bd3 Nbd7 6. Nbd2 c5 7. c3 0-0 8. h3 a6 9. Bh2 b5 10. Ne5 Bb7 11. f4 Rc8 12. Qf3 g6 13. 0-0 c4 14. Bc2 b4 15. g4 a5 16. f5 bxc3 17. bxc3 Ra8 18. g5 Nh5 19. f6 Bd6 20. Bd1 Nxe5 21. dxe5 Bc5 22. Qf2 Rb8 23. Bxh5 gxh5 24. Nf3 Kh8 25. Nd4 Rg8 26. Qh4 Qf8 27. Qxh5 Ba6 28. Rf4 Bxd4 29. exd4 Rg6 30. Rh4 Qg8 31. Bf4 Rb2 32. Kh1 a4 33. Qd1 a3 34. Qc1 Bb5 35. Rb1 Rxb1 36. Qxb1 Ba4 37. Bc1 Bd1 38. Qb7 Bf3+ 39. Kh2 Rxg5 40. Bxg5 Qxg5 41. Qc8+ Qg8 42. Qxg8+ Kxg8 43. Rf4 Be4 44. Kg1 Bb1 45. Rf2 Be4 46. h4 Kf8 47. Kf1 Ke8 48. Ke1 Kd7 49. Kd1 Kc6 50. Kc1 Kb5 51. Rf1 Bg6 52. Rg1 h5 53. Kd2 Ka4 54. Ke3 Ka5 55. Rxg6 fxg6 56. f7 1-0

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "9"]
[White "Kostov, Deyan Samuil"]
[Black "Tomas, Ante"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2055"]
[BlackElo "2022"]
[PlyCount "72"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. a4 e5 5. e3 exd4 6. exd4 Be6 7. Nf3 Nf6 8. Be2 Bb4 9. 0-0 0-0 10. Qc2 Nbd7 11. Rd1 a5 12. Bg5 h6 13. Bh4 Be7 14. Nd2 Nb6 15. Nf1 Nfd5 16. Bxe7 Qxe7 17. Ne3 Nxe3 18. fxe3 Qg5 19. Qd2 Bd5 20. e4 Qxd2 21. Rxd2 Be6 22. d5 cxd5 23. exd5 Bf5 24. d6 Rad8 25. Rad1 Rd7 26. Nd5 Nxd5 27. Rxd5 Be6 28. R5d4 Rfd8 29. Bf3 g5 30. Kf2 Kg7 31. g3 Kf6 32. h4 Ke5 33. Re4+ Kf6 34. Red4 Ke5 35. Re4+ Kf6 36. Red4 Ke5 1/2-1/2

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "6"]
[White "Kostov, Deyan Samuil"]
[Black "Wu, Yixing"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2055"]
[BlackElo "2010"]
[PlyCount "73"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 Nc6 11. f4 b6 12. 0-0 Bb7 13. Ng3 Rad8 14. Qe2 Na5 15. Bb2 Rfe8 16. Rad1 Bc6 17. e4 Ba4 18. Rde1 cxd4 19. cxd4 Nb3 20. e5 Nd5 21. Nh5 g6 22. Qg4 Qe7 23. Ng3 Kh8 24. Ne4 Rd7 25. h4 h5 26. Qg5 Qxg5 27. fxg5 Kg7 28. Rf2 Ree7 29. Nd6 Rxd6 30. exd6 Rd7 31. Ref1 Kg8 32. Bc2 Ne3 33. Re1 Nxc2 34. Rxc2 Rxd6 35. Rc8+ Kh7 36. d5 e5 37. Bxe5 1-0

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "1"]
[White "Kostov, Deyan Samuil"]
[Black "Zaninovic, Mario"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2055"]
[BlackElo "1636"]
[PlyCount "55"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Be7 7. Nf3 0-0 8. Bd3 Nc6 9. 0-0 b6 10. Be3 Bb7 11. Qe2 f5 12. exf5 exf5 13. Rad1 h6 14. Rfe1 Bg5 15. Bxg5 hxg5 16. Qe6+ Kh8 17. d5 Ne7 18. Qxe7 Bxd5 19. Nxg5 Qxe7 20. Rxe7 f4 21. a3 f3 22. Nxf3 Bxf3 23. gxf3 Rxf3 24. Re3 Rf4 25. Bc2 Raf8 26. Rh3+ Kg8 27. Bb3+ R8f7 28. Rd2 1-0

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "8"]
[White "Kostov, Deyan Samuil"]
[Black "Zuo, Yifan"]
[Result "1-0"]
[ECO "E44"]
[WhiteElo "2055"]
[BlackElo "2277"]
[PlyCount "55"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Bb7 6. a3 Be7 7. d5 0-0 8. Ng3 a5 9. e4 d6 10. Bd3 Na6 11. 0-0 Nc5 12. Bc2 Qd7 13. Be3 exd5 14. exd5 g6 15. b4 axb4 16. axb4 Na6 17. Rb1 Rfe8 18. h3 Bf8 19. Bd4 Bg7 20. Nge4 Nxe4 21. Nxe4 f5 22. Nf6+ Bxf6 23. Bxf6 Nb8 24. Bc3 h6 25. Qd4 Kh7 26. Rfe1 Rf8 27. Re6 Ra2 28. Rbe1 1-0

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "4"]
[White "Omerkic, Ahmed"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "1942"]
[BlackElo "2055"]
[PlyCount "120"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 a6 5. a4 Nc6 6. e4 Bg4 7. d5 Ne5 8. Be2 Bxf3 9. gxf3 Ng6 10. Bxc4 Qd7 11. Qe2 e5 12. h4 Nh5 13. Be3 Nhf4 14. Qf1 h5 15. 0-0-0 Bd6 16. Bb3 Qe7 17. Kb1 0-0 18. Ne2 Rfe8 19. Ng3 Rab8 20. Nf5 Qf6 21. Qc4 b5 22. axb5 axb5 23. Qc6 Ne7 24. Nxe7+ Qxe7 25. Rdg1 g6 26. Rg5 Ra8 27. Kc2 Qf6 28. Bd2 Ne2 29. Be3 Qxf3 30. Kd2 Qxh1 31. Kxe2 Qxe4 32. Bc2 Qc4+ 33. Qxc4 bxc4 34. Bd2 Ra2 35. Bc3 Kf8 36. Ke3 Raa8 37. Ke4 f5+ 38. Ke3 Kf7 39. Kf3 Be7 40. Rg1 Bxh4 41. Bd1 Bf6 42. Be2 e4+ 43. Kf4 Bxc3 44. bxc3 Ra4 45. Rb1 Re7 46. Rb5 Kf6 47. Rc5 g5+ 48. Kg3 f4+ 49. Kh3 g4+ 50. Kh2 h4 51. Bxg4 Ra2 52. Kg1 e3 53. fxe3 Rxe3 54. Bh3 Rxh3 55. Rxc7 Rxc3 56. Rc6+ Ke5 57. Re6+ Kxd5 58. Re1 Rd3 59. Kf1 c3 60. Kg1 c2 0-1

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "2"]
[White "Patel, Zain"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "1755"]
[BlackElo "2055"]
[PlyCount "139"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. 0-0 a6 7. Bb3 Nc6 8. Nc3 Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5 11. Bd2 0-0 12. Rac1 Ba7 13. Ne2 Bd7 14. Bc3 Rfd8 15. Ned4 Ne4 16. Nxc6 Bxc6 17. Ba5 Rxd1+ 18. Rxd1 h6 19. Ne5 Be8 20. Rc1 Nc5 21. Bd1 f6 22. Nc4 Bc6 23. Bb6 Bxb6 24. Nxb6 Rd8 25. Be2 Nd7 26. Nxd7 Rxd7 27. h3 Kf7 28. Bxa6 Rd2 29. Bxb7 Be8 30. Rb1 e5 31. a3 Ke7 32. Kf1 Bb5+ 33. Kg1 Kd6 34. b3 Bd3 35. Rc1 Ra2 36. a4 Bc2 37. b4 Bxa4 38. Rc8 Bd7 39. Rg8 Rb2 40. Rxg7 Rxb4 41. Bf3 Bf5 42. Kh2 Ke6 43. Rc7 Rb2 44. Rc6+ Ke7 45. Kg3 Ra2 46. Rc7+ Kd6 47. Rb7 Rc2 48. e4 Be6 49. Rh7 Rc3 50. Rxh6 Ke7 51. Rg6 Bb3 52. h4 Bd1 53. h5 Bxf3 54. gxf3 Kf7 55. Rg4 Rc8 56. f4 Rh8 57. Kh4 Rh7 58. fxe5 fxe5 59. Rg5 Kf6 60. Rf5+ Ke6 61. Kg5 Rg7+ 62. Kh6 Rg2 63. Kh7 Rh2 64. h6 Rg2 65. Kh8 Rg4 66. h7 Rg6 67. Rf8 Ke7 68. Rg8 Rf6 69. Rg7+ Ke6 70. Kg8 1-0

[Event "Hvar Arsenal blitz op 2nd"]
[Site "Hvar"]
[Date "2023.10.19"]
[Round "5"]
[White "Plenkovic, Zdenko"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2370"]
[BlackElo "2055"]
[PlyCount "68"]
[EventDate "2023.10.19"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 h5 8. 0-0-0 Nf6 9. h3 Rb8 10. Kb1 d6 11. Bd3 Be7 12. Qg3 h4 13. Qh2 Bd7 14. f4 b5 15. f5 e5 16. Nf3 b4 17. Ne2 Na5 18. Bg5 Ng8 19. Qg1 Bxg5 20. Nxg5 Nf6 21. Qe3 Bb5 22. Nf3 Bxd3 23. cxd3 Qb6 24. Qg5 Rh5 25. Qxg7 Ke7 26. Ng5 Rf8 27. g4 hxg3 28. Nf3 Rg8 29. Qxg3 Rxg3 30. Nxg3 Rh8 31. d4 Nc6 32. dxe5 dxe5 33. Rc1 Nd4 34. Nxe5 Qd6 0-1

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.18"]
[Round "5"]
[White "Kostov, Deyan Samuil"]
[Black "Ivancic, Ivan"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2262"]
[BlackElo "1999"]
[PlyCount "168"]
[EventDate "2023.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Be2 b6 9. 0-0 Bb7 10. Bb2 Qe7 11. Rfd1 Rfe8 12. Rac1 Rad8 13. Qb1 a6 14. Qa1 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Na4 Bxb2 18. Qxb2 dxc4 19. Nxb6 cxb3 20. Qxb3 Ne4 21. Qb2 c5 22. Bf3 Rxd1+ 23. Rxd1 Rd8 24. Rxd8+ Qxd8 25. h3 h6 26. Qe5 Nd6 27. Qxc5 Bxf3 28. gxf3 Qg5+ 29. Qxg5 hxg5 30. Nd7 Nb5 31. Nc5 a5 32. a4 Nc3 33. Nb3 Nxa4 34. Nxa5 Nc5 35. Kg2 f6 36. Nc6 Nd3 37. Nd4 Kf7 38. Kg3 Kg6 39. Ne2 Kf5 40. Nd4+ Kg6 41. Ne6 Kf7 42. Nc7 Kg6 43. Nd5 Kf5 44. Nc3 Kg6 45. Nd1 Kf5 46. h4 gxh4+ 47. Kxh4 g6 48. Kg3 g5 49. Nc3 Kg6 50. Ne2 Nc5 51. f4 Ne4+ 52. Kf3 Nd2+ 53. Kg4 f5+ 54. Kh3 g4+ 55. Kg2 Nf3 56. Ng3 Nd2 57. Nf1 Nf3 58. Kg3 Kh5 59. Nh2 Ng1 60. Kg2 Ne2 61. Nf1 Kg6 62. f3 gxf3+ 63. Kxf3 Nc3 64. Ng3 Kf6 65. Kf2 Ke6 66. Ke1 Nd5 67. Kd2 Nb4 68. Kc3 Nc6 69. Kc4 Na5+ 70. Kb4 Nb7 71. Kb5 Nd6+ 72. Kc5 Nb7+ 73. Kd4 Na5 74. Ne2 Nb3+ 75. Kc3 Nc5 76. Kc4 Ne4 77. Nd4+ Kf6 78. Kd5 Nc3+ 79. Kd6 Ne4+ 80. Kd7 Nc5+ 81. Ke8 Ne4 82. Kf8 Nd6 83. Kg8 Nc4 84. Nc2 Kg6 1/2-1/2

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.18"]
[Round "6"]
[White "Underwood, Jon"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1999"]
[BlackElo "2262"]
[PlyCount "72"]
[EventDate "2023.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. e3 Bg7 5. Ne2 d6 6. Nbc3 h5 7. d4 h4 8. d5 Nce7 9. e4 f5 10. Bg5 h3 11. Bf3 Nf6 12. Qd2 Kf7 13. 0-0 Nh7 14. Be3 Bf6 15. exf5 gxf5 16. Bh5+ Kg7 17. Bh6+ Kg8 18. f4 e4 19. Nd4 Nf8 20. Bxf8 Qxf8 21. Bd1 Qg7 22. Ne6 Bxe6 23. dxe6 Bxc3 24. bxc3 Rh6 25. c5 d5 26. Rb1 Rb8 27. c6 b6 28. Bb3 Rd8 29. c4 d4 30. c5 d3 31. Qe3 Kf8 32. cxb6 axb6 33. Rbc1 Nd5 34. Bxd5 Rxd5 35. Qxb6 cxb6 36. c7 Qd4+ 0-1

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.17"]
[Round "4"]
[White "Boric, Jakov"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "1895"]
[BlackElo "2262"]
[PlyCount "112"]
[EventDate "2023.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. a3 Nbd7 10. b4 Be7 11. Bb2 b5 12. Be2 Bb7 13. Nbd2 0-0 14. Rac1 Rac8 15. Bd4 Rfd8 16. Nb3 Bd5 17. Rxc8 Rxc8 18. Rc1 Rxc1+ 19. Nxc1 Bd6 20. Kf1 Ne4 21. Nd3 f6 22. Nf4 Ba2 23. Bd3 f5 24. Ne2 e5 25. Bb2 Bd5 26. Bc2 g6 27. Ke1 h6 28. Nc3 Nxc3 29. Bxc3 Kf7 30. a4 Ke6 31. Nh4 Kf7 32. Ke2 e4 33. g3 Bc4+ 34. Kd2 Be7 35. Ng2 Nb6 36. axb5 axb5 37. Nf4 Bf8 38. Bd1 Bd6 39. Be2 Bxf4 40. exf4 Bxe2 41. Kxe2 Ke6 42. f3 Kd5 43. fxe4+ Kxe4 44. Bg7 h5 45. h3 Nd5 46. Bf8 h4 47. Kf2 hxg3+ 48. Kxg3 Nxf4 49. Kh4 Ne6 50. Bh6 f4 51. Kg4 f3 52. Kg3 Nd4 53. Kf2 Nc6 54. Bd2 Ne5 55. Bc3 Nd3+ 56. Kf1 Ke3 0-1

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.16"]
[Round "3"]
[White "Kostov, Deyan Samuil"]
[Black "Ramaj, Ergit"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2262"]
[BlackElo "1951"]
[PlyCount "118"]
[EventDate "2023.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. cxd5 exd5 6. Qc2 Be7 7. Bg5 g6 8. Bxf6 Bxf6 9. e4 dxe4 10. Qxe4+ Qe7 11. Qxe7+ Kxe7 12. Bc4 Bf5 13. 0-0 Rd8 14. Rad1 Nd7 15. h3 h5 16. Bb3 Kf8 17. Kh2 g5 18. Rfe1 Re8 19. Kg1 g4 20. hxg4 hxg4 21. Rxe8+ Rxe8 22. Nh2 c5 23. d5 Nb6 24. Nf1 Bxc3 25. bxc3 c4 26. Ne3 cxb3 27. Nxf5 bxa2 28. Ne3 Na4 29. c4 Nc3 30. Ra1 b5 31. cxb5 Rb8 32. Nd1 Nxd1 33. Rxa2 Rxb5 34. Rxa7 Rxd5 35. Ra4 f5 36. g3 Nc3 37. Ra3 Ne4 38. f3 Rd1+ 39. Kg2 Rd2+ 40. Kg1 Ng5 41. fxg4 fxg4 42. Ra4 Nf3+ 43. Kf1 Rb2 44. Ra8+ Kf7 45. Ra7+ Kf6 46. Ra6+ Kf5 47. Ra5+ Ke4 48. Ra8 Ne5 49. Ra4+ Ke3 50. Ra3+ Nd3 51. Kg1 Rd2 52. Ra8 Kf3 53. Re8 Kxg3 54. Re3+ Kf4 55. Re8 Kf3 56. Rf8+ Nf4 57. Rg8 Rd1+ 58. Kh2 Rd2+ 59. Kg1 g3 0-1

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.16"]
[Round "2"]
[White "Patel, Zain"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "D22"]
[WhiteElo "1964"]
[BlackElo "2262"]
[PlyCount "71"]
[EventDate "2023.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. 0-0 Nf6 7. h3 Bh5 8. Nc3 Nc6 9. Re1 Bd6 10. g4 Bg6 11. e4 Nd7 12. e5 Be7 13. d5 Nb6 14. dxc6 Qxd1 15. Rxd1 Nxc4 16. b3 Na5 17. cxb7 Nxb7 18. Be3 Bb4 19. Na4 Be4 20. Rd4 Bxf3 21. Rxb4 h5 22. g5 Na5 23. Rc1 Nc6 24. Rbc4 Nxe5 25. Rxc7 0-0 26. Bd4 Ng6 27. Nb6 Rad8 28. Nd7 Rfe8 29. R1c3 e5 30. Bb6 e4 31. Ra7 Rc8 32. Rcc7 Rxc7 33. Bxc7 Re6 34. Nc5 Rc6 35. b4 h4 36. Kf1 0-1

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.15"]
[Round "1"]
[White "Kostov, Deyan Samuil"]
[Black "Begic, Klara"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2262"]
[BlackElo "1723"]
[PlyCount "89"]
[EventDate "2023.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nbd7 8. Nf3 c5 9. 0-0 b6 10. Rc1 Bb7 11. Bb1 Ne4 12. Bxe7 Qxe7 13. Qd3 g6 14. dxc5 Ndxc5 15. Qd1 Rfd8 16. Nd4 Rac8 17. Nce2 a5 18. Nf4 Ng5 19. Qg4 Nge6 20. Nfxe6 Nxe6 21. Nxe6 Qxe6 22. Qd4 Rxc1 23. Rxc1 Rc8 24. Rxc8+ Qxc8 25. Qd2 Ba6 26. h3 Qc4 27. Kh2 Qc7+ 28. f4 Qc6 29. Qd4 Qe6 30. Bc2 Bc4 31. b3 Ba6 32. Bd1 Bb7 33. Bf3 Qd6 34. a3 f6 35. h4 Kf7 36. b4 axb4 37. axb4 Qe6 38. g4 Kg8 39. Kg3 f5 40. g5 Ba8 41. Qa1 Bc6 42. Kf2 Qd6 43. Qa6 Be8 44. Qa8 Qc6 45. Bxd5+ 1-0

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "10"]
[White "Agibileg, Uurtsaikh"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2441"]
[BlackElo "2198"]
[PlyCount "41"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 b5 6. e5 b4 7. exf6 bxc3 8. fxg7 Bxg7 9. bxc3 Bxc3+ 10. Bd2 Bxa1 11. Qxa1 Rg8 12. Bxc4 Nd7 13. Nf3 Nb6 14. Bb5+ Bd7 15. Bd3 f5 16. 0-0 Qc7 17. Ne5 0-0-0 18. Bf4 Nxd5 19. Ba6+ Kb8 20. Nxd7+ Rxd7 21. Bxc7+ 1-0

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "6"]
[White "Haug, Havard"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2199"]
[BlackElo "2198"]
[PlyCount "99"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Na3 Nc6 7. Be3 cxd4 8. Nb5 Qd8 9. Nbxd4 Nxd4 10. Bxd4 Be7 11. Bxf6 Bxf6 12. Bb5+ Bd7 13. Qa4 a6 14. Bxd7+ Qxd7 15. Qxd7+ Kxd7 16. 0-0-0+ Ke7 17. Rhe1 Rhd8 18. Kc2 Rxd1 19. Rxd1 Rd8 20. Rxd8 Kxd8 21. Kd3 Kd7 22. b3 g6 23. Nd2 Bg7 24. Ne4 f5 25. Nc5+ Kd6 26. Nxb7+ Kc6 27. Na5+ Kd5 28. b4 e5 29. c4+ Kd6 30. f3 Bf8 31. Nb3 Kc6 32. a3 h5 33. Kc3 Bg7 34. a4 e4+ 35. Kd2 exf3 36. gxf3 g5 37. b5+ axb5 38. cxb5+ Kb6 39. Kd3 g4 40. Kc4 Be5 41. a5+ Ka7 42. Nc5 Bxh2 43. b6+ Kb8 44. a6 Bd6 45. a7+ Ka8 46. Kb5 Bxc5 47. Kxc5 Kb7 48. Kd6 gxf3 49. a8Q+ Kxa8 50. Kc7 1-0

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "8"]
[White "Hoang, Thi Bao Tram"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2266"]
[BlackElo "2198"]
[PlyCount "111"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. c4 c6 6. Qb3 Qb6 7. Nc3 Nbd7 8. 0-0 h6 9. Na4 Qxb3 10. axb3 b5 11. cxb5 cxb5 12. Nc3 Bb4 13. Nxb5 Ke7 14. Bf4 g5 15. Bd2 a5 16. Rfc1 Rhb8 17. Na3 Ne4 18. Be3 Kd6 19. Nc2 Rc8 20. Nxb4 axb4 21. Ne1 Rxc1 22. Rxc1 Nef6 23. Bd2 Rb8 24. Ra1 Ne4 25. Bxe4 Bxe4 26. Ra4 Rb6 27. f3 Bg6 28. Kf2 Nb8 29. Rxb4 Rxb4 30. Bxb4+ Kc6 31. g4 Nd7 32. Kg3 h5 33. gxh5 Bxh5 34. Nd3 f6 35. Be7 Bg6 36. Nc5 Nxc5 37. dxc5 f5 38. b4 g4 39. fxg4 fxg4 40. Kxg4 e5 41. Kg5 Bh7 42. h4 d4 43. Bf6 Kd5 44. Kh6 Bf5 45. Kg5 Bh7 46. h5 e4 47. Kf4 d3 48. exd3 exd3 49. Ke3 Kc6 50. Bc3 Kb5 51. Kf4 Bg8 52. Kg5 Bh7 53. h6 Be4 54. Kf6 Bh7 55. Kg7 Be4 56. h7 1-0

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "7"]
[White "Kostov, Deyan Samuil"]
[Black "Gutkin, Ilya"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2198"]
[BlackElo "2276"]
[PlyCount "151"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nf6 4. c3 Bf5 5. Qb3 Qb6 6. dxc5 Qxb3 7. axb3 a5 8. Nf3 Nc6 9. Bb5 e6 10. Nd4 Bxb1 11. Nxc6 Bd3 12. Bxd3 bxc6 13. b4 Nd7 14. h3 e5 15. Bh2 f6 16. 0-0 Kf7 17. Ra4 Bxc5 18. bxc5 Nxc5 19. Bc2 Nxa4 20. Bxa4 Rhc8 21. Rd1 Rab8 22. b3 Ke6 23. Kf1 Rb6 24. Ke2 Rcb8 25. f3 c5 26. f4 c4 27. bxc4 Rb2+ 28. Kf3 e4+ 29. Kg3 dxc4 30. Rd4 Ra2 31. Bd7+ Ke7 32. Bf5 Rb3 33. Bxe4 Rxc3 34. Kf3 g6 35. f5 Raa3 36. Bd6+ Kf7 37. Bd5+ Kg7 38. Re4 gxf5 39. Re7+ Kg6 40. Bf4 Rc1 41. Bf7+ Kg7 42. Bh5+ Kf8 43. Bd6 Rf1+ 44. Kg3 Rd1 45. Bxa3 Rd3 46. Bc5 Kg8 47. Re8+ Kg7 48. Bf8+ Kg8 49. Bc5+ Kg7 50. Re7+ Kh6 51. Bf3 c3 52. Rf7 Kg6 53. Rc7 c2 54. Be7 Rd7 55. Rxc2 Rxe7 56. Ra2 Rxe3 57. Rxa5 h5 58. h4 Rc3 59. Kf4 Rc4+ 60. Kg3 Rc3 61. Ra8 Rc4 62. Rg8+ Kh6 63. Ra8 f4+ 64. Kh3 Kg6 65. Ra5 f5 66. Ra6+ Kg7 67. Bxh5 Rc3+ 68. Bf3 Kf7 69. h5 Kg7 70. Kh4 Rc1 71. Kg5 Rg1 72. h6+ Kh7 73. Ra7+ Kh8 74. Kg6 Rb1 75. Ra8+ Rb8 76. Rxb8# 1-0

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "5"]
[White "Kostov, Deyan Samuil"]
[Black "Li, Hui"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2198"]
[BlackElo "1988"]
[PlyCount "93"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nc3 cxd4 5. exd4 a6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Ne2 e6 10. c3 Bd6 11. Ng3 0-0 12. Bd3 b5 13. 0-0 Bxf4 14. Qxf4 b4 15. Ne2 Qb8 16. Qd2 Qd6 17. a3 a5 18. Rfc1 bxc3 19. Qxc3 Rfc8 20. Qc5 Qxc5 21. Rxc5 Nd7 22. Rc2 Ne7 23. Rac1 Rxc2 24. Rxc2 Rc8 25. Rxc8+ Nxc8 26. Kf1 a4 27. Ke1 Ncb6 28. Nc3 Kf8 29. Bb5 Ke7 30. Nxa4 Nxa4 31. Bxa4 Nb6 32. Bb3 Kd6 33. Kd2 e5 34. dxe5+ Kxe5 35. a4 Nc8 36. a5 Kd4 37. Ba4 Na7 38. Be8 f6 39. b3 Kc5 40. Kc3 d4+ 41. Kd3 g5 42. Bf7 h6 43. a6 Kb6 44. Kxd4 Kxa6 45. Ke4 Nc6 46. Kf5 Kb6 47. Kxf6 1-0

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "3"]
[White "Kostov, Deyan Samuil"]
[Black "Mateos Rozas, Miguel Angel"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2198"]
[BlackElo "2213"]
[PlyCount "104"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 0-0 6. h3 Nbd7 7. Be3 e5 8. d5 a5 9. g4 Nc5 10. Nd2 b6 11. Be2 Bd7 12. g5 Ne8 13. h4 f6 14. gxf6 Nxf6 15. h5 Qe8 16. hxg6 Qxg6 17. Qc2 Ng4 18. 0-0-0 Nxe3 19. fxe3 Rf2 20. Rdg1 Rg2 21. Rxg2 Qxg2 22. Bf3 Qf2 23. Nd1 Qg3 24. Be2 Rf8 25. Bd3 Bf6 26. Kb1 Bg5 27. Nf1 Qg4 28. Nh2 Qg3 29. Nf1 Qg4 30. Nh2 Qh3 31. Bf1 Qg3 32. Qg2 Nxe4 33. Rg1 Qxg2 34. Rxg2 h6 35. Bd3 Bf5 36. Kc2 Nc5 37. Bxf5 Rxf5 38. Nf2 Kh7 39. Nd3 Bxe3 40. Ng4 Bg5 41. a3 Rf3 42. Nxc5 bxc5 43. Nh2 Rh3 44. Nf1 Kg6 45. Kd1 Kf5 46. Ke2 Ke4 47. Rg4+ Kf5 48. Rg2 Rh4 49. Ng3+ Kg6 50. Nf1 Rxc4 51. Ne3 Re4 52. Rg3 Rxe3+ 0-1

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "9"]
[White "Kostov, Deyan Samuil"]
[Black "Ziatdinov, Raset"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2198"]
[BlackElo "2081"]
[PlyCount "155"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Bd3 Bd6 8. Qc2 Nf8 9. Nf3 Ne6 10. Bh4 g6 11. Ne5 0-0 12. 0-0 Ng7 13. f4 Nf5 14. Bf2 h5 15. e4 dxe4 16. Nxe4 Bxe5 17. dxe5 Nd5 18. Bc5 Nfe3 19. Qe2 Nxf1 20. Rxf1 Bf5 21. Bxf8 Qxf8 22. Nd6 Bxd3 23. Qxd3 Qe7 24. Qb3 Rd8 25. h3 Qc7 26. f5 Qb6+ 27. Qxb6 axb6 28. g4 hxg4 29. hxg4 Ne3 30. Rf4 Nd5 31. Rf3 Ra8 32. e6 fxe6 33. fxe6 Ra4 34. Kg2 Rxg4+ 35. Kh3 Rg5 36. Rd3 Nf4+ 37. Kh4 Nxd3 38. Kxg5 Nc5 39. e7 Ne6+ 40. Kf6 Nc7 41. e8Q+ Nxe8+ 42. Nxe8 Kf8 43. Nd6 g5 44. Kxg5 Ke7 45. Nxb7 Ke6 46. Kf4 Kd5 47. Ke3 Kc4 48. Kd2 Kd4 49. Nd6 Kc5 50. Nf5 Kd5 51. Ne3+ Kd4 52. Nc2+ Kc4 53. b3+ Kd5 54. Kc3 c5 55. Ne3+ Kc6 56. a3 Kb5 57. Nc4 Kc6 58. Ne5+ Kb5 59. Nd3 Kc6 60. a4 Kd5 61. Nf4+ Kc6 62. Kc4 Kc7 63. Kb5 Kb7 64. Nd5 c4 65. bxc4 Ka7 66. Nxb6 Kb7 67. c5 Ka7 68. Nd5 Kb7 69. c6+ Ka7 70. c7 Kb7 71. Kc5 Kc8 72. Kd6 Kb7 73. Kd7 Ka7 74. Nf6 Kb6 75. c8Q Ka7 76. Qc1 Kb6 77. Qb1+ Ka7 78. Kc6 1-0

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "1"]
[White "Rustemov, Alexander"]
[Black "Kostov, Deyan Samuil"]
[Result "1/2-1/2"]
[ECO "D22"]
[WhiteElo "2525"]
[BlackElo "2198"]
[PlyCount "98"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nf6 8. 0-0 Nc6 9. Re1 Bd6 10. g4 Bg6 11. e4 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Qxd8+ Rxd8 15. f4 Bd4+ 16. Kg2 Bxc3 17. bxc3 Bxe4+ 18. Kf2 0-0 19. g5 Bd5 20. gxf6 Bxc4 21. Be3 g6 22. Bd4 Be6 23. h4 h5 24. a4 Rd5 25. a5 c5 26. Be5 Rfd8 27. Rab1 R8d7 28. Rb6 Rd2+ 29. Re2 Rxe2+ 30. Kxe2 Bc4+ 31. Ke3 Bb5 32. Bd6 Bc6 33. Bxc5 Rd5 34. Bb4 Rf5 35. Be7 Rxa5 36. Rb2 Rd5 37. c4 Rd7 38. c5 a5 39. Bd6 a4 40. Kd4 Rd8 41. Kc3 Re8 42. Be7 Ra8 43. Kb4 Rc8 44. Rd2 Ra8 45. Ka3 Rc8 46. Bd8 Ra8 47. Be7 Rc8 48. Bd6 Re8 49. Be7 Rc8 1/2-1/2

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "4"]
[White "Schut, Han"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2091"]
[BlackElo "2198"]
[PlyCount "84"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe4 5. cxd6 Nc6 6. Bd3 Nxd6 7. 0-0 g6 8. Nc3 Bg7 9. Ne4 0-0 10. Nxd6 Qxd6 11. Qe2 Bg4 12. Rd1 Nd4 13. Qe3 Bxf3 14. gxf3 Rad8 15. Bd2 e5 16. Bc3 Qf6 17. Be4 Ne6 18. Bxb7 Nf4 19. Kh1 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Qxd8 22. Qe1 h5 23. Be4 h4 24. Bd2 Bh6 25. Bxf4 Bxf4 26. c3 h3 27. Qg1 Qd2 28. Bxg6 fxg6 29. Qxg6+ Kf8 30. Qf6+ Ke8 31. Qe6+ Kd8 32. Qg8+ Kd7 33. Qf7+ Kd6 34. Qf8+ Kd5 35. Qa8+ Ke6 36. Qe8+ Kd5 37. Qd7+ Kc4 38. Qc6+ Kd3 39. Qb5+ Kc2 40. Qf1 Qc1 41. Qxc1+ Bxc1 42. b4 Kxc3 0-1

[Event "Titled Tuesday intern op 22nd Aug Early"]
[Site "Chess.com INT"]
[Date "2023.08.22"]
[Round "2"]
[White "Zhenetl, Roman"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2435"]
[BlackElo "2198"]
[PlyCount "135"]
[EventDate "2023.08.22"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Ne5 Bf5 4. d4 e6 5. Bg2 Bd6 6. 0-0 Bxe5 7. dxe5 Nd7 8. c4 c6 9. cxd5 cxd5 10. Nc3 Ne7 11. e4 dxe4 12. Nxe4 Bxe4 13. Bxe4 Nc5 14. Bg2 0-0 15. Be3 Nd7 16. f4 Nb6 17. Bxb7 Rb8 18. Qxd8 Rfxd8 19. Ba6 Nbd5 20. Bf2 Rxb2 21. Rfb1 Rdb8 22. Rxb2 Rxb2 23. Bxa7 Nc6 24. Bf2 g5 25. fxg5 Nxe5 26. h4 Ng4 27. Ba7 e5 28. a4 e4 29. a5 e3 30. Re1 Ra2 31. Be2 Rxa5 32. Bxg4 Rxa7 33. Bf3 Ra5 34. Bxd5 Rxd5 35. Rxe3 Kg7 36. Kf2 Ra5 37. Kf3 Ra4 38. Re4 Ra1 39. Rf4 Ra5 40. Kg4 Rb5 41. h5 h6 42. gxh6+ Kxh6 43. Rxf7 Rg5+ 44. Kf4 Rxh5 45. Rf6+ Kg7 46. Rf5 Rh1 47. Rg5+ Kf7 48. Rb5 Rf1+ 49. Kg5 Ra1 50. Rb7+ Kg8 51. g4 Ra5+ 52. Kh6 Ra6+ 53. Kh5 Ra1 54. g5 Ra2 55. Kh6 Rh2+ 56. Kg6 Kf8 57. Rb8+ Ke7 58. Kg7 Rg2 59. g6 Rg1 60. Rb3 Ke6 61. Re3+ Kf5 62. Rf3+ Ke6 63. Kh7 Rh1+ 64. Kg8 Rg1 65. g7 Ke7 66. Re3+ Kf6 67. Kf8 Rxg7 68. Rf3+ 1-0

[Event "Split op 12th"]
[Site "Split"]
[Date "2023.08.12"]
[Round "8"]
[White "Novosel, Lovro"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2383"]
[BlackElo "2198"]
[PlyCount "93"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Be2 Nbd7 10. Nbd2 b6 11. Nc4 Bb7 12. Nd4 0-0 13. Nb3 Be7 14. f3 a5 15. e4 a4 16. Nd4 Bc5 17. Be3 Ba6 18. Kf2 Rfc8 19. Rac1 h6 20. g4 Bxc4 21. Rxc4 Ne5 22. Rc2 a3 23. b3 Bxd4 24. Rxc8+ Rxc8 25. Bxd4 Nfd7 26. Rd2 g5 27. Bb5 Kf8 28. h4 Ke7 29. h5 f6 30. Be2 Rc1 31. Be3 Rc3 32. Bd4 Rc1 33. Bd1 b5 34. Be3 Rc3 35. Rc2 Nd3+ 36. Ke2 Rxc2+ 37. Bxc2 Nb4 38. Bb1 Nc6 39. Bd3 b4 40. Bb5 Kd6 41. f4 e5 42. f5 Nd4+ 43. Bxd4 exd4 44. Bxd7 Kxd7 45. Kd3 Kc6 46. Kxd4 Kd6 47. e5+ 1-0

[Event "Split op 12th"]
[Site "Split"]
[Date "2023.08.11"]
[Round "7"]
[White "Kostov, Deyan Samuil"]
[Black "Kopylov, Daniel"]
[Result "1/2-1/2"]
[ECO "D87"]
[WhiteElo "2198"]
[BlackElo "2342"]
[PlyCount "67"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 Bd7 11. Rb1 Qc7 12. dxc5 Rfd8 13. Nd4 Be8 14. Qc2 Nxd4 15. cxd4 Bxd4 16. Bxd4 Rxd4 17. Bd5 Bc6 18. Qc3 Ra4 19. Qb3 Rf8 20. Rfc1 Rd4 21. h3 Qf4 22. Qf3 Qe5 23. Rd1 e6 24. Bxc6 bxc6 25. Rxd4 Qxd4 26. Qe3 Rd8 27. Qxd4 Rxd4 28. f3 Rc4 29. Rb8+ Kg7 30. Ra8 Rxc5 31. Rxa7 Rc2 32. a4 Ra2 33. Rc7 Rxa4 34. Rxc6 1/2-1/2

[Event "Split op 12th"]
[Site "Split"]
[Date "2023.08.09"]
[Round "6"]
[White "Kurtovic, Darko"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2039"]
[BlackElo "2198"]
[PlyCount "94"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nd4 5. d3 Ne7 6. Nxd4 cxd4 7. Nb5 Nc6 8. Be2 a6 9. Qa4 Bb4+ 10. Kf1 Be7 11. Bf4 e5 12. Bg3 0-0 13. Na3 g6 14. f3 f5 15. Ke1 Rb8 16. Nc2 f4 17. Bf2 b5 18. cxb5 Rxb5 19. Rb1 Qb6 20. b3 Kg7 21. Rb2 Bb7 22. Kf1 Ra5 23. Qc4 Nb4 24. Nxb4 Bxb4 25. Qc2 Rc8 26. Qd1 Rac5 27. Rb1 Rc2 28. Be1 Rxa2 29. Rc1 Rxc1 30. Qxc1 Bxe1 31. Kxe1 Qxb3 32. Kf1 Bc6 33. g3 Qc3 34. Qxc3 dxc3 35. Kf2 Bb5 36. Rd1 g5 37. Ke1 Rc2 38. Ra1 Kf6 39. Kd1 Rd2+ 40. Ke1 Ke7 41. gxf4 gxf4 42. Rd1 Rxd1+ 43. Kxd1 Ba4+ 44. Kc1 a5 45. Bf1 Kd6 46. Bh3 Kc5 47. Bf5 h6 0-1

[Event "Split op 12th"]
[Site "Split"]
[Date "2023.08.08"]
[Round "5"]
[White "Kostov, Deyan Samuil"]
[Black "Palac, Mladen"]
[Result "0-1"]
[ECO "E49"]
[WhiteElo "2198"]
[BlackElo "2482"]
[PlyCount "88"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 Nc6 11. f4 b6 12. 0-0 Bb7 13. Ng3 Ne7 14. Bb2 c4 15. Bc2 Nf5 16. e4 Nxg3 17. hxg3 Bxe4 18. Qe2 Bxc2 19. Qxc2 Ng4 20. Qe2 h5 21. a4 Rfe8 22. a5 b5 23. a6 Qb6 24. Kh1 Rac8 25. Qf3 Nf6 26. Ba3 Qxa6 27. Be7 Qb6 28. Bxf6 gxf6 29. Qxh5 Kf8 30. f5 Ke7 31. Qf3 e5 32. Rf2 Rh8+ 33. Kg1 exd4 34. cxd4 c3 35. Qe4+ Kf8 36. Re1 Qc7 37. Rf4 c2 38. Rc1 b4 39. Qd5 Qc6 40. Qc5+ Qxc5 41. dxc5 b3 42. Rb4 Rd8 43. Rf4 Rd1+ 44. Rf1 Rxc1 0-1

[Event "Split op 12th"]
[Site "Split"]
[Date "2023.08.07"]
[Round "4"]
[White "Rasic, Ivan"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1963"]
[BlackElo "2198"]
[PlyCount "114"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. a3 e6 3. b4 b6 4. Bb2 Bb7 5. Qe2 d6 6. f4 Nf6 7. d3 cxb4 8. axb4 d5 9. e5 Nfd7 10. b5 a6 11. bxa6 Rxa6 12. Rxa6 Nxa6 13. Nf3 Bb4+ 14. Bc3 Be7 15. g3 b5 16. Bg2 b4 17. Bd4 Nac5 18. Nbd2 0-0 19. 0-0 Qc7 20. Ra1 Ra8 21. Rxa8+ Bxa8 22. Ne1 Bc6 23. g4 Na4 24. Nb3 Nc3 25. Qd2 Ba4 26. Nf3 Bxb3 27. cxb3 Bc5 28. Bxc5 Nxc5 29. d4 Nxb3 30. Qb2 Nxd4 31. Qxb4 Nxf3+ 32. Bxf3 h6 33. Kg2 Qc6 34. Qb8+ Kh7 35. Qa7 Qe8 36. Qd4 Qc8 37. f5 Kg8 38. fxe6 fxe6 39. h4 Nb5 40. Qb6 Na3 41. g5 Nc4 42. Qd4 hxg5 43. hxg5 Qd8 44. Qf4 Qf8 45. Qd4 Qf5 46. Bxd5 Qxg5+ 47. Kf2 Qf5+ 48. Ke2 Nxe5 49. Be4 Qg4+ 50. Kf2 Qh4+ 51. Ke2 Ng4 52. Qa4 Qf2+ 53. Kd1 Ne3+ 54. Kc1 Qe1+ 55. Kb2 Qd2+ 56. Ka3 Qc3+ 57. Ka2 Qc4+ 0-1

[Event "Split op 12th"]
[Site "Split"]
[Date "2023.08.06"]
[Round "3"]
[White "Kostov, Deyan Samuil"]
[Black "Sakic, Matija"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2198"]
[BlackElo "1923"]
[PlyCount "79"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 d5 5. e3 Be7 6. Ne5 0-0 7. Be2 Nbd7 8. Nxd7 Bxd7 9. 0-0 Ne4 10. Bxe7 Qxe7 11. f3 Nd6 12. f4 Rfd8 13. b3 Ne4 14. Nxe4 dxe4 15. Qc1 Kf8 16. Qb2 c5 17. Rad1 Bc6 18. dxc5 Qxc5 19. Kf2 a5 20. a3 b5 21. b4 axb4 22. axb4 Qb6 23. g4 Rxd1 24. Rxd1 Rd8 25. Qe5 Rxd1 26. Bxd1 Bd7 27. Be2 Qc6 28. c3 Qd5 29. gxf5 Qxe5 30. fxe5 exf5 31. c4 bxc4 32. Bxc4 g5 33. b5 Ke7 34. b6 Bc6 35. Ba6 Ke6 36. b7 Bxb7 37. Bxb7 Kxe5 38. Ba6 f4 39. Be2 fxe3+ 40. Kxe3 1/2-1/2

[Event "Titled Tuesday intern op 11th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.11"]
[Round "4"]
[White "Keleberda, Timur"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2302"]
[BlackElo "2152"]
[PlyCount "205"]
[EventDate "2023.07.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Nge2 0-0 6. Nb5 Bxf4 7. Nxf4 a6 8. Na3 c5 9. c3 Qc7 10. dxc5 Qxc5 11. Be2 Nc6 12. 0-0 e5 13. Nd3 Qe7 14. Nc2 Bf5 15. Ncb4 Nxb4 16. Nxb4 Rfd8 17. a4 d4 18. exd4 exd4 19. Re1 dxc3 20. Qb3 cxb2 21. Qxb2 a5 22. Na2 Re8 23. h3 Rac8 24. Qd2 Rc2 25. Qg5 Bg6 26. Bf1 Qxe1 27. Rxe1 Rxe1 28. Qxa5 Re8 29. Bb5 Rxa2 30. Bxe8 Nxe8 31. Qe5 f6 32. Qb5 Bf7 33. a5 h6 34. Qb6 Kh7 35. Qxb7 Kg8 36. Qb6 Bc4 37. Qc6 Bf7 38. a6 f5 39. Qb6 Nf6 40. a7 Kh7 41. Qb7 Bd5 42. Qb8 Ra1+ 43. Kh2 Ra2 44. Qb6 Kg6 45. Kg3 Kh7 46. f3 Kg6 47. h4 Kh7 48. Kh3 Kg6 49. Qc5 Kh7 50. h5 Kh8 51. Kh4 Ra4+ 52. Kh3 Kh7 53. Qc7 Ra2 54. Kh2 Nxh5 55. Qd7 Nf6 56. Qxf5+ Kg8 57. Qc8+ Kh7 58. Qc7 h5 59. Kg3 Kg6 60. Qb6 Kh7 61. Kf4 Rxg2 62. Qa5 Ra2 63. Qxa2 Bxa2 64. a8Q Bd5 65. Qa5 Kg6 66. Qb6 Bf7 67. Qb1+ Kh6 68. Kg3 Bg6 69. Qb6 Kh7 70. Qa7 Kh6 71. Kh4 Kh7 72. f4 Kh6 73. Qb6 Bf5 74. Qb5 Bg4 75. Qg5+ Kh7 76. f5 Kg8 77. Qg6 Kf8 78. Kg3 Ke7 79. Kf4 Kf8 80. Ke5 Kg8 81. Ke6 Be2 82. Qf7+ Kh7 83. Ke7 h4 84. Kf8 Nh5 85. Qg8+ Kh6 86. Qe6+ Kg5 87. Qxe2 h3 88. Qe3+ Kg4 89. Qe2+ Kh4 90. Qf2+ Kg4 91. Kf7 Nf4 92. Kxg7 Kxf5 93. Qh4 Ke4 94. Kf6 Kf3 95. Kf5 Kg2 96. Qg4+ Kf2 97. Qxf4+ Kg2 98. Qg4+ Kh2 99. Kf4 Kh1 100. Kf3 Kh2 101. Qg3+ Kh1 102. Qxh3+ Kg1 103. Qg2# 1-0

[Event "Titled Tuesday intern op 11th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.11"]
[Round "2"]
[White "Kostov, Deyan Samuil"]
[Black "Kubicka, Anna"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2152"]
[BlackElo "2240"]
[PlyCount "65"]
[EventDate "2023.07.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. h3 0-0 9. Bd3 a6 10. 0-0 b5 11. a3 Nbd7 12. Re1 c4 13. Bc2 Nc5 14. Bf4 Nh5 15. Bh2 Re8 16. Nd4 Qf6 17. Nc6 Nf4 18. Qd2 Nfd3 19. Bxd3 Nxd3 20. Re2 Nxb2 21. e5 dxe5 22. Qxb2 e4 23. Rc1 Bf5 24. Qd2 h5 25. Bf4 Rac8 26. Na2 Bd7 27. Nab4 a5 28. Nxa5 c3 29. Qe3 Ra8 30. Nac6 Rxa3 31. Rec2 Rea8 32. Be5 Qe7 33. Nxe7+ 1-0

[Event "Titled Tuesday intern op 11th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.11"]
[Round "1"]
[White "Krallis, Christos"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2340"]
[BlackElo "2152"]
[PlyCount "93"]
[EventDate "2023.07.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bc4 e6 4. Nf3 Nf6 5. 0-0 d5 6. exd5 exd5 7. Bb5 d4 8. Re1+ Be7 9. Ne2 0-0 10. d3 a6 11. Bxc6 bxc6 12. Ng3 Nd5 13. Ne5 Qc7 14. Nc4 Be6 15. a3 Rae8 16. Bd2 Bd6 17. Qf3 Bxg3 18. hxg3 h6 19. Qh5 Kh7 20. Re2 Qa7 21. Rae1 Nf6 22. Qh4 Bxc4 23. dxc4 Rxe2 24. Rxe2 Re8 25. Rxe8 Nxe8 26. Qe4+ g6 27. Qxe8 Qb7 28. b3 Kg7 29. Qe5+ f6 30. Qxc5 d3 31. cxd3 Qxb3 32. Qe7+ Kg8 33. Qe8+ Kg7 34. Qe3 Qd1+ 35. Qe1 Qb3 36. Bc3 Qxa3 37. Bd4 Qd6 38. Qe3 a5 39. Bc5 Qd7 40. Qe7+ Qxe7 41. Bxe7 Kf7 42. Ba3 Ke6 43. d4 Kf5 44. f3 Ke6 45. Kf2 f5 46. Ke3 g5 47. g4 1-0

[Event "Titled Tuesday intern op 11th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.11"]
[Round "3"]
[White "Przybylski, Wojciech"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2308"]
[BlackElo "2152"]
[PlyCount "77"]
[EventDate "2023.07.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 Bd7 7. f4 Rc8 8. Nb3 e6 9. Qd2 Be7 10. Be2 h6 11. Bxf6 Bxf6 12. Nb5 0-0 13. Nxd6 Rc7 14. e5 Bh4+ 15. g3 Be7 16. Rd1 Bc8 17. 0-0 b6 18. Bf3 Ba6 19. Rfe1 Qb8 20. Ne4 Rd8 21. Qg2 Nb4 22. c3 Nd5 23. Kh1 Rcd7 24. Ra1 Qc7 25. h3 Bc4 26. Nbd2 Ba6 27. a3 Bb7 28. c4 Nxf4 29. gxf4 Rxd2 30. Nxd2 Rxd2 31. Qxd2 Bxf3+ 32. Kh2 g5 33. Qe3 Bb7 34. Rac1 Kh8 35. Rg1 gxf4 36. Qxf4 Bg5 37. Rxg5 hxg5 38. Qxg5 Qc5 39. Qh6+ 1-0

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2023.05.13"]
[Round "3.8"]
[White "Ruiz, Josu"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2002"]
[BlackElo "2223"]
[PlyCount "42"]
[EventDate "2023.04.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Nyon"]
[BlackTeam "Geneve"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 a6 7. Bd3 Nf6 8. Nxc6 bxc6 9. f4 d5 10. 0-0 Be7 11. Qe2 c5 12. exd5 exd5 13. Qf3 Bb7 14. Bd2 c4 15. Bf5 g6 16. Bh3 d4 17. Qe2 dxc3 18. Bxc3 0-0 19. f5 Ne4 20. fxg6 hxg6 21. Rae1 Rae8 0-1

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "4"]
[White "Degenbaev, Aziz"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2196"]
[BlackElo "2223"]
[PlyCount "53"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 a6 7. Be3 Nf6 8. f4 d6 9. Qf3 Be7 10. 0-0-0 0-0 11. Nxc6 bxc6 12. g4 d5 13. g5 Ne8 14. h4 Rb8 15. h5 Qa5 16. Bf2 Rxb2 17. Kxb2 Bxa3+ 18. Ka1 Bb4+ 19. Na2 dxe4 20. Qb3 Bd6 21. Bb6 Qf5 22. Rh4 Bxf4 23. Bh3 Qxg5 24. Rg4 Be5+ 25. Kb1 Qxh5 26. Rdg1 Qxh3 27. Qxh3 1-0

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "3"]
[White "Fiorito, Francisco"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2305"]
[BlackElo "2223"]
[PlyCount "136"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. d4 e6 5. 0-0 c6 6. h3 Bh5 7. b3 Bd6 8. Bb2 Ne7 9. Nbd2 0-0 10. c4 f6 11. e4 Rc8 12. Re1 Kh8 13. Qc2 b5 14. a3 bxc4 15. bxc4 c5 16. exd5 exd5 17. dxc5 Bxc5 18. Rac1 Nb6 19. Red1 Qe8 20. Qd3 Bg6 21. Qf1 Qf7 22. cxd5 Nexd5 23. Nh4 Rfd8 24. Nxg6+ hxg6 25. Ne4 Be7 26. Qe2 Bf8 27. h4 Rxc1 28. Rxc1 Rc8 29. Rxc8 Nxc8 30. Qc4 Ncb6 31. Qb3 Qd7 32. Qd3 Qf5 33. Bd4 Kh7 34. Kh2 Be7 35. Bh3 Qh5 36. Bg2 Qh6 37. Nd2 Nc7 38. Bxb6 axb6 39. Be4 Ne6 40. Nf3 Nc5 41. Qe2 Nxe4 42. Qxe4 Bxa3 43. Kg2 Bc5 44. Qe8 Qc1 45. Qe2 Qc3 46. h5 gxh5 47. Qe4+ Kh6 48. Nh4 f5 49. Nxf5+ Kg5 50. f4+ Kf6 51. Nh4 Qd2+ 52. Kh3 Qd7+ 53. f5 Kf7 54. Qf4 Qd6 55. Qg5 Qf6 56. Qxh5+ Kg8 57. Qe2 Be7 58. Qc4+ Kh7 59. Qc8 b5 60. Ng6 Kh6 61. Qh8+ Kg5 62. g4 Qc3+ 63. Kg2 Qd2+ 64. Kf3 Qd3+ 65. Kf2 Bc5+ 66. Kg2 Qe2+ 67. Kg3 Bd6+ 68. Kh3 Qf3# 0-1

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "6"]
[White "Flis, Pawel"]
[Black "Kostov, Deyan Samuil"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "1879"]
[BlackElo "2223"]
[PlyCount "117"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. f3 e5 7. Nb3 Be7 8. Nd5 Nxd5 9. exd5 Nb8 10. c4 0-0 11. Be2 f5 12. 0-0 Nd7 13. f4 Bf6 14. Be3 exf4 15. Bxf4 Ne5 16. Kh1 Ng6 17. Bc1 Be5 18. Qe1 Bd7 19. Rb1 Qe7 20. Bh5 Rae8 21. Bd2 b6 22. Bc3 Qg5 23. Bxg6 hxg6 24. Bxe5 Rxe5 25. Qf2 Rfe8 26. Rbe1 Qe7 27. Rxe5 Qxe5 28. h3 g5 29. Nd4 f4 30. Nc6 Bxc6 31. dxc6 Qe4 32. Qf3 Qxf3 33. Rxf3 Rc8 34. Rd3 Rxc6 35. b3 Kf7 36. Rd5 Kf6 37. Kg1 a5 38. Kf2 a4 39. Kf3 axb3 40. axb3 g6 41. Kg4 b5 42. Rxb5 Rc5 43. Rb6 Ke5 44. Kxg5 Ke4+ 45. Kg4 d5 46. cxd5 Rxd5 47. Rb4+ Ke3 48. Rxf4 Rb5 49. Rf3+ Ke4 50. Rc3 Ke5 51. g3 Kf6 52. h4 Kg7 53. Kf4 Kh6 54. g4 Rb4+ 55. Kf3 Rb5 56. Ke3 Rb4 57. Kf3 Rb5 58. Kg3 Rb4 59. Kf3 1/2-1/2

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "7"]
[White "Goncharov, Vladimir"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "D22"]
[WhiteElo "2077"]
[BlackElo "2223"]
[PlyCount "119"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. 0-0 Nf6 7. Be2 Nc6 8. b3 Bd6 9. Bb2 0-0 10. Nbd2 Qe7 11. Nc4 Rad8 12. Nxd6 Qxd6 13. h3 Bh5 14. Rc1 Rfe8 15. Rc5 Bg6 16. Nd2 e5 17. Nc4 Qf8 18. Bf3 exd4 19. exd4 Ne4 20. Bxe4 Rxe4 21. Qf3 Nxd4 22. Bxd4 Rexd4 23. Rxc7 Be4 24. Qg3 Bc6 25. Ne5 Bb5 26. Re1 f6 27. Ng4 Kh8 28. Ree7 R4d7 29. Rexd7 Rxd7 30. Kh2 h6 31. Ne3 Bc6 32. Nf5 Rxc7 33. Qxc7 Be4 34. Nd6 Bc6 35. f4 Kh7 36. f5 Qg8 37. Nf7 Qe8 38. Nd8 Qe4 39. Nxc6 bxc6 40. Qd7 c5 41. Qe6 Qxe6 42. fxe6 Kg8 43. Kg3 Kf8 44. Kf4 g6 45. Ke4 Ke7 46. Kd5 f5 47. h4 g5 48. hxg5 hxg5 49. Ke5 f4 50. Kf5 a5 51. Kxg5 Kxe6 52. Kxf4 Kd5 53. g4 Kd4 54. g5 Kc3 55. g6 Kb2 56. g7 Kxa2 57. g8Q Ka3 58. Qc4 Kb2 59. Qxc5 Kxb3 60. Qxa5 1-0

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "9"]
[White "Horak, Martin"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "B61"]
[WhiteElo "2260"]
[BlackElo "2223"]
[PlyCount "80"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 Bd7 7. f4 Rc8 8. Qd2 Nxd4 9. Qxd4 Qa5 10. e5 dxe5 11. fxe5 e6 12. 0-0-0 Rxc3 13. Qxc3 Qxc3 14. bxc3 Ne4 15. Bd2 Nf2 16. Bd3 Nxh1 17. Rxh1 Bc6 18. Rf1 Bxg2 19. Rg1 Bc6 20. Be3 a6 21. Kd2 g6 22. h4 h5 23. Bg5 Be7 24. c4 Bxg5+ 25. Rxg5 Ke7 26. Ke3 Rd8 27. Rg1 Rc8 28. Rg3 Be8 29. Rg1 Rc5 30. Kf4 Ra5 31. Rb1 Bc6 32. Be4 Rxa2 33. Bxc6 bxc6 34. Rb7+ Ke8 35. Rb8+ Ke7 36. Rb7+ Kf8 37. Kg5 Kg7 38. Rc7 Rxc2 39. Rxc6 a5 40. c5 Rc4 0-1

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "8"]
[White "Kostov, Deyan Samuil"]
[Black "Aketayeva, Dana"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2223"]
[BlackElo "2130"]
[PlyCount "97"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 cxd4 9. cxd4 Qxd5 10. Nf3 Nc6 11. 0-0 e5 12. dxe5 Nxe5 13. Bxh7+ Kxh7 14. Qxd5 Nxd5 15. Nxe5 Be6 16. Bb2 Rac8 17. Rac1 Nb6 18. Bd4 f6 19. Bxb6 axb6 20. Nf3 b5 21. Nd4 Bc4 22. Rfd1 Ra8 23. Rc3 Ra4 24. Rb1 Ra5 25. h3 Rfa8 26. Kh2 Kg6 27. a4 Rxa4 28. Nxb5 Bxb5 29. Rxb5 Ra2 30. Kg3 Rd2 31. Rc4 Raa2 32. Rf4 Rab2 33. Rfb4 Rxb4 34. Rxb4 Rd7 35. e4 Rd3+ 36. f3 Rd7 37. Kf4 Kf7 38. h4 g6 39. Rb6 Re7 40. g4 Kg7 41. g5 fxg5+ 42. Kxg5 Re5+ 43. Kf4 Re7 44. e5 Kf7 45. Ke4 Rc7 46. f4 Kg7 47. Kd5 Kh6 48. f5 Rd7+ 49. Ke6 1-0

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "1"]
[White "Kostov, Deyan Samuil"]
[Black "Karthik, Rajaa"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2223"]
[BlackElo "2302"]
[PlyCount "110"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 Nbd7 7. Be3 e5 8. d5 Nh5 9. g3 b6 10. Be2 a5 11. Qc2 Qe8 12. Nh4 Nhf6 13. g4 Nc5 14. Ng2 Nfd7 15. 0-0-0 Nb8 16. Rdg1 Nba6 17. a3 a4 18. h4 Nb3+ 19. Kb1 Nd4 20. Qd2 Nc5 21. f3 Ncb3 22. Qe1 Nxe2 23. Qxe2 Nd4 24. Qf1 Ba6 25. Ne1 c6 26. h5 b5 27. dxc6 Qxc6 28. Bxd4 exd4 29. Nd5 Ra7 30. hxg6 fxg6 31. Qh3 Be5 32. g5 Bc8 33. Qf1 bxc4 34. Nc2 d3 35. Ncb4 Qc5 36. Rh4 Qd4 37. Nc3 Rb7 38. Rgh1 Be6 39. Qd1 Rfb8 40. Qd2 Rf8 41. f4 Bh8 42. f5 gxf5 43. exf5 Qe5 44. g6 h6 45. Rxh6 Bg7 46. Rh7 Bxf5 47. Nbd5 Bxg6 48. R7h2 Rfb8 49. Re1 Rxb2+ 50. Ka1 Rxd2 51. Rxe5 Rxh2 52. Rg5 Rh1+ 53. Ka2 Kh7 54. Ne7 Rh2+ 55. Ka1 Bxc3# 0-1

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "11"]
[White "Kostov, Deyan Samuil"]
[Black "Ljukin, Sergei"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2223"]
[BlackElo "2362"]
[PlyCount "115"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Be2 dxc4 7. Bxc4 b5 8. Be2 a6 9. 0-0 c5 10. dxc5 Bxc5 11. a3 Bb7 12. b4 Be7 13. Bb2 0-0 14. Qb3 Rc8 15. Rfd1 Qc7 16. a4 bxa4 17. Nxa4 Qc2 18. Qxc2 Rxc2 19. Bd3 Rcc8 20. Bd4 Bxb4 21. Rdb1 a5 22. Ne1 Bd5 23. Nc2 Be7 24. f3 e5 25. Bb2 e4 26. fxe4 Bxe4 27. Bxe4 Nxe4 28. Nd4 Bg5 29. Re1 Ne5 30. Nf3 Nd3 31. Nxg5 Nxg5 32. Red1 Nxb2 33. Nxb2 Rc5 34. Rd7 h6 35. Ra7 Rb8 36. Nd1 Rbb5 37. Nf2 Re5 38. e4 Rec5 39. Nd3 Rc3 40. Nf2 Rc2 41. h4 Ne6 42. R7xa5 Rbb2 43. Rf1 Nf4 44. Rf5 Nd3 45. Rf3 Ne5 46. Rf5 f6 47. Rf3 Re2 48. Rf4 Kh7 49. g3 h5 50. Kg2 Kh6 51. Kg1 Ng4 52. Rf3 Kg6 53. Rf4 Kf7 54. Rf3 Ke6 55. Rf5 g6 56. Rf3 Ke5 57. Rf4 Kd4 58. e5+ 1-0

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "5"]
[White "Kostov, Deyan Samuil"]
[Black "Saravana, Krishnan P"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2223"]
[BlackElo "2284"]
[PlyCount "148"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 a5 8. g4 Na6 9. Be3 Nd7 10. Rg1 Nac5 11. Be2 a4 12. Qc2 Nb6 13. h4 Kh8 14. h5 Bd7 15. 0-0-0 f5 16. gxf5 gxf5 17. h6 Bf6 18. exf5 a3 19. b3 e4 20. Nd4 Qe7 21. Rg2 Na6 22. Rdg1 Nb4 23. Qd2 Qe5 24. Kb1 Bxf5 25. Nxf5 Qxf5 26. Rg5 Qh3 27. Bd4 Nd7 28. R5g3 Qh4 29. Rg4 Qh2 30. R4g2 Qh3 31. Rg3 Qf5 32. Bg4 e3+ 33. Bxf5 exd2 34. Bxf6+ Nxf6 35. Rd1 Ng8 36. Be6 Rxf2 37. Ne4 Re2 38. Nxd2 Nxh6 39. Rh3 Ng8 40. Rdh1 h6 41. R3h2 Rxh2 42. Rxh2 Rf8 43. Rh1 Kg7 44. Ne4 Nf6 45. Ng3 h5 46. Nf5+ Kh7 47. Ng3 h4 48. Nf5 Kg6 49. Rxh4 Kg5 50. Rh1 Ne4 51. Rg1+ Kf4 52. Rf1+ Ke5 53. Re1 Rxf5 54. Bxf5 Kxf5 55. Rf1+ Ke5 56. Re1 Kd4 57. Rd1+ Nd3 58. Rh1 Nc3+ 59. Ka1 Nb4 60. Rh4+ Kc5 61. Rh2 c6 62. Rg2 cxd5 63. cxd5 Nbxd5 64. Rc2 b5 65. Rf2 b4 66. Rc2 Ne3 67. Rh2 d5 68. Rd2 d4 69. Rh2 d3 70. Rd2 Ne4 71. Rh2 Kd4 72. Rd2 Nc3 73. Rxd3+ Ke4 74. Rxe3+ Kxe3 1/2-1/2

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "2"]
[White "Kostov, Deyan Samuil"]
[Black "Sowul, Bartosz"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2223"]
[BlackElo "2269"]
[PlyCount "72"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 b4 5. e4 d6 6. Nf3 Nbd7 7. Bd3 g6 8. 0-0 Bg7 9. a3 0-0 10. h3 a5 11. Be3 e5 12. Nbd2 Nh5 13. g3 Nb6 14. Kg2 f5 15. Bg5 Qc7 16. Nb3 a4 17. Nc1 h6 18. Bd2 b3 19. Qc3 f4 20. g4 Qd7 21. Ne2 Nf6 22. Nh2 h5 23. f3 Nh7 24. Rh1 Ng5 25. Rag1 hxg4 26. hxg4 Kf7 27. Kf1 Rh8 28. Ke1 Rxh2 29. Rxh2 Nxf3+ 30. Kd1 Nxh2 31. g5 Nf3 32. Rg2 Qh3 33. Rf2 Qh1+ 34. Be1 Nxe1 35. Qxe1 Qxe1+ 36. Kxe1 Ba6 0-1

[Event "Titled Tuesday intern op 18th Apr Early"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "10"]
[White "Omariev, Maksim"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2304"]
[BlackElo "2223"]
[PlyCount "88"]
[EventDate "2023.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 c6 3. h3 g6 4. d4 Bg7 5. Nf3 Nf6 6. c3 0-0 7. Bf4 Ne4 8. Nbd2 f5 9. Be5 fxg4 10. hxg4 Bxg4 11. Bxg7 Kxg7 12. Nxe4 dxe4 13. Ng5 h6 14. Nxe4 Nd7 15. Qd2 Rh8 16. 0-0-0 Nf6 17. Nc5 b6 18. Nd3 Rc8 19. Ne5 Be6 20. Kb1 c5 21. Rdg1 cxd4 22. cxd4 Bf5+ 23. e4 Nxe4 24. Bxe4 Bxe4+ 25. Ka1 Qd6 26. Rh4 Bf5 27. Nxg6 Bxg6 28. Rhg4 Rhf8 29. Rxg6+ Qxg6 30. Rxg6+ Kxg6 31. Qe3 Rxf2 32. Qe6+ Rf6 33. Qg4+ Kf7 34. Qh5+ Kg7 35. a3 Rc1+ 36. Ka2 Rcf1 37. Qe5 Kf7 38. Qd5+ Kf8 39. Qa8+ Kf7 40. Qxa7 h5 41. Qd7 R1f4 42. d5 h4 43. b4 h3 44. Kb3 h2 0-1

[Event "Dimitrovgrad Spring"]
[Site "Dimitrovgrad"]
[Date "2023.04.16"]
[Round "9"]
[White "Kostov, Deyan Samuil"]
[Black "Koutlas, Nikolaos"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2223"]
[BlackElo "2305"]
[PlyCount "66"]
[EventDate "2023.04.11"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Team C"]
[BlackTeam "Team B"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "BUL"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. cxd5 exd5 6. Qc2 Bd6 7. Bg5 0-0 8. e3 Re8 9. Bd3 h6 10. Bh4 a6 11. 0-0-0 a5 12. Ne5 Bxe5 13. dxe5 Rxe5 14. e4 Na6 15. Bxa6 bxa6 16. Rhe1 Bg4 17. f3 Bh5 18. g4 Bg6 19. f4 Rxe4 20. Nxe4 Bxe4 21. Rxe4 g5 22. Bxg5 hxg5 23. Re5 gxf4 24. Rg5+ Kf8 25. Qc3 Qd6 26. Rf5 Ke7 27. Rxf6 Qxf6 28. Re1+ Qe6 29. Rxe6+ fxe6 30. g5 Rf8 31. Qc5+ Ke8 32. Qxc6+ Ke7 33. Qc7+ Ke8 1-0

[Event "Dimitrovgrad Spring"]
[Site "Dimitrovgrad"]
[Date "2023.04.15"]
[Round "7"]
[White "Kostov, Deyan Samuil"]
[Black "Ivanov, Jordan"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2223"]
[BlackElo "2345"]
[PlyCount "17"]
[EventDate "2023.04.11"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Team C"]
[BlackTeam "Team D"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "BUL"]

1. c4 d5 2. b4 dxc4 3. Nf3 Nf6 4. d4 Bd7 5. e3 Bc8 6. Bd3 e6 7. Bxc4 c5 8. 0-0 a6 9. dxc5 1/2-1/2

[Event "Dimitrovgrad Spring"]
[Site "Dimitrovgrad"]
[Date "2023.04.15"]
[Round "8"]
[White "Pein, Jonathan"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2301"]
[BlackElo "2223"]
[PlyCount "144"]
[EventDate "2023.04.11"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Team A"]
[BlackTeam "Team C"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "BUL"]

1. Nf3 d5 2. b3 c5 3. Bb2 Nc6 4. g3 Nf6 5. Bg2 d4 6. e3 e5 7. exd4 exd4 8. 0-0 Be7 9. c3 0-0 10. cxd4 cxd4 11. d3 Bf5 12. Na3 Nd5 13. Nc2 Ndb4 14. Nfxd4 Nxd4 15. Nxd4 Bxd3 16. Qg4 Bf6 17. Rfd1 h5 18. Qf4 g5 19. Qf3 Bxd4 20. Bxd4 Qxd4 21. a3 Qb2 22. Qxb7 Bc2 23. Rf1 Nd3 24. Qe7 Rac8 25. Qxg5+ Qg7 26. Qxh5 Nxf2 27. Rae1 Bg6 28. Qe5 Nd3 29. Qxg7+ Kxg7 30. Re7 a5 31. h4 Rfe8 32. Ra7 Rc5 33. g4 Ne5 34. h5 Bd3 35. Rf4 Rb8 36. b4 axb4 37. axb4 Rc4 38. Rxc4 Bxc4 39. g5 Rxb4 40. g6 Kh6 41. Re7 Rb5 42. gxf7 Bxf7 43. Rb7 Ra5 44. Bf1 Ra3 45. Rb6+ Kxh5 46. Rb5 Rg3+ 47. Kf2 Rg5 48. Be2+ Kg6 49. Rb6+ Kf5 50. Ra6 Rg8 51. Ke3 Rg3+ 52. Kd4 Rb3 53. Ra5 Rb4+ 54. Kc3 Rb8 55. Kd4 Rd8+ 56. Ke3 Rd6 57. Rb5 Be8 58. Ra5 Ke6 59. Ra6 Bc6 60. Kf4 Rd4+ 61. Kg3 Kf5 62. Ra5 Rb4 63. Kf2 Kf4 64. Ra3 Rb2 65. Ke1 Be4 66. Bd1 Nd3+ 67. Kf1 Ke3 68. Rb3 Rh2 69. Bf3 Bxf3 70. Rxd3+ Kxd3 71. Ke1 Ke3 72. Kf1 Rh1# 0-1

[Event "Dimitrovgrad Spring"]
[Site "Dimitrovgrad"]
[Date "2023.04.14"]
[Round "5"]
[White "Kostov, Deyan Samuil"]
[Black "Georgiev, Biser"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2223"]
[BlackElo "2233"]
[PlyCount "112"]
[EventDate "2023.04.11"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Team C"]
[BlackTeam "Team A"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "BUL"]

1. d4 f5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. Bxf6 Bxf6 6. e4 d5 7. e5 Be7 8. Bd3 c5 9. dxc5 Bxc5 10. Nb3 Bb6 11. Qe2 Nc6 12. c3 0-0 13. 0-0 Bd7 14. Rac1 Qe7 15. a3 Rac8 16. Rfd1 Rfd8 17. h3 Be8 18. g4 g6 19. Kg2 Bf7 20. Rg1 Kh8 21. Qd2 Bg8 22. Rce1 Rf8 23. gxf5 exf5 24. Nbd4 Nxd4 25. cxd4 Be6 26. Qf4 Rg8 27. Kh2 Rg7 28. Rg3 Rcg8 29. Reg1 Bd8 30. h4 Qf7 31. Ng5 Bxg5 32. hxg5 Rc8 33. Qd2 Qc7 34. Bb1 Qb6 35. Rc3 Rgc7 36. Rgc1 a5 37. f4 Kg7 38. Kg3 Kf7 39. Ba2 Rxc3+ 40. Rxc3 Rc6 41. Rxc6 bxc6 42. b4 axb4 43. Qxb4 Qxb4 44. axb4 Ke7 45. Kf3 Kd8 46. Ke3 Kc7 47. Kd3 Kb6 48. Kc3 Bc8 49. Bb1 Ba6 50. Bd3 Bb5 51. Kd2 Kc7 52. Ke3 Kd8 53. Bxb5 cxb5 54. Kf3 Ke8 55. Kg3 Kf7 56. Kh3 Ke8 1/2-1/2

[Event "Dimitrovgrad Spring"]
[Site "Dimitrovgrad"]
[Date "2023.04.14"]
[Round "6"]
[White "Stanojoski, Zvonko"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2395"]
[BlackElo "2223"]
[PlyCount "131"]
[EventDate "2023.04.11"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Team D"]
[BlackTeam "Team C"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "BUL"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 a6 7. Bg2 Bg7 8. Nb3 d6 9. 0-0 Nge7 10. a4 b6 11. Qd2 Ra7 12. Nc3 0-0 13. Qe2 Rd7 14. Rd1 Bb7 15. Be3 Re8 16. a5 b5 17. Bb6 Qc8 18. f4 Nb8 19. Rd3 Bc6 20. Nd4 Ba8 21. Rad1 d5 22. e5 Rb7 23. Ncxb5 axb5 24. Rc3 Qd7 25. Nxb5 Nc8 26. Rc7 Rxc7 27. Nxc7 Nxb6 28. axb6 Bb7 29. Nxe8 Qxe8 30. c4 Bf8 31. cxd5 exd5 32. Bxd5 Bxd5 33. Rxd5 Qc6 34. Qb5 Qc1+ 35. Kg2 Qc2+ 36. Kf3 Qxh2 37. b7 Qh1+ 38. Ke2 Qg2+ 39. Kd1 Be7 40. Rd3 Kg7 41. Rc3 Qg1+ 42. Kc2 Qa7 43. Rc7 Qf2+ 44. Kb1 Qg1+ 45. Ka2 Qa7+ 46. Kb3 Qe3+ 47. Rc3 Qa7 48. g4 Qf2 49. Rc7 Qe3+ 50. Ka2 Qa7+ 51. Kb1 Qg1+ 52. Rc1 Qe3 53. Rf1 Qe4+ 54. Ka1 Bf8 55. f5 Qxg4 56. e6 fxe6 57. Qe5+ Kg8 58. Qxe6+ Kh8 59. Qe5+ Kg8 60. Qd5+ Kh8 61. fxg6 Qa4+ 62. Kb1 Qe8 63. Qf5 Nd7 64. Qxd7 Qxd7 65. Rxf8+ Kg7 66. Rf7+ 1-0

[Event "Dimitrovgrad Spring"]
[Site "Dimitrovgrad"]
[Date "2023.04.13"]
[Round "4"]
[White "Banov, Boil"]
[Black "Kostov, Deyan Samuil"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2046"]
[BlackElo "2223"]
[PlyCount "103"]
[EventDate "2023.04.11"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Team B"]
[BlackTeam "Team C"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "BUL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be2 Qc7 6. Nc3 a6 7. Be3 Nf6 8. 0-0 Be7 9. a4 0-0 10. Kh1 d5 11. exd5 exd5 12. Nxc6 bxc6 13. a5 Be6 14. Bb6 Qb7 15. Na4 Nd7 16. f4 Bf5 17. Bd3 Bxd3 18. Qxd3 Nxb6 19. Nxb6 Rab8 20. f5 Bf6 21. Rad1 h6 22. Rfe1 Rfe8 23. b3 d4 24. Re4 c5 25. Rde1 Rxe4 26. Rxe4 Rf8 27. h4 Bd8 28. Nc4 Qb4 29. Qg3 Bf6 30. Qf3 Rd8 31. Qd3 Kf8 32. g3 Qc3 33. Qxc3 dxc3 34. Re2 Rd5 35. Kg2 Rxf5 36. Nd6 Re5 37. Rxe5 Bxe5 38. Nc4 Bc7 39. h5 Ke7 40. Kf3 f5 41. Nb6 Kf7 42. Na4 c4 43. bxc4 Bxa5 44. Nc5 Bc7 45. Nxa6 Be5 46. Nc5 Bc7 47. Nb3 Kf6 48. Nd4 g6 49. hxg6 Kxg6 50. Nb5 Be5 51. g4 fxg4+ 52. Kxg4 1/2-1/2

[Event "Dimitrovgrad Spring"]
[Site "Dimitrovgrad"]
[Date "2023.04.12"]
[Round "3"]
[White "Kostov, Deyan Samuil"]
[Black "Mehmed, Elif"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2223"]
[BlackElo "2180"]
[PlyCount "120"]
[EventDate "2023.04.11"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Team C"]
[BlackTeam "Team B"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "BUL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 Nh5 8. g3 f5 9. exf5 gxf5 10. Nh4 Nf4 11. Qf3 Ng6 12. Nxg6 hxg6 13. h4 Nd7 14. h5 e4 15. Qe3 Ne5 16. Be2 Bd7 17. Bd2 gxh5 18. Rxh5 Be8 19. Rh2 Qf6 20. 0-0-0 a6 21. Qg5 Qxg5 22. Bxg5 b5 23. cxb5 axb5 24. a3 Rb8 25. Bh6 b4 26. axb4 Rxb4 27. Na2 Rb6 28. b4 Bb5 29. Bxb5 Rxb5 30. Bxg7 Kxg7 31. Rdh1 Nf7 32. Rd1 Kf6 33. Kc2 Ke5 34. Rh5 Rh8 35. Rxh8 Nxh8 36. Rh1 Nf7 37. Rh5 Kf6 38. g4 fxg4 39. Rh4 Kg5 40. Rh7 Kg6 41. Rh4 Ne5 42. Rh8 Rxd5 43. Rc8 c6 44. Nc3 Rd4 45. b5 cxb5 46. Nxb5 Rc4+ 47. Rxc4 Nxc4 48. Kc3 e3 49. fxe3 g3 50. Nd4 Nxe3 51. Ne2 Nf5 52. Kc4 Kg5 53. Kd5 Kg4 54. Ke4 g2 55. Ng1 Nh4 56. Kd5 Ng6 57. Kxd6 Nf4 58. Ke5 Nh3 59. Ne2 Kf3 60. Nd4+ Kf2 0-1

[Event "Dimitrovgrad Spring"]
[Site "Dimitrovgrad"]
[Date "2023.04.11"]
[Round "1"]
[White "Kostov, Deyan Samuil"]
[Black "Bryakin, Mikhail"]
[Result "1/2-1/2"]
[ECO "E41"]
[WhiteElo "2223"]
[BlackElo "2469"]
[PlyCount "72"]
[EventDate "2023.04.11"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Team C"]
[BlackTeam "Team D"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "BUL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 d6 6. Bd3 c5 7. Nf3 e5 8. dxe5 dxe5 9. Nxe5 Qd6 10. Nf3 Nc6 11. h3 Be6 12. Qc2 0-0-0 13. Be2 h6 14. Ba3 b6 15. Nd4 Na5 16. Nxe6 Qxe6 17. 0-0 Qe4 18. Rac1 Qxc2 19. Rxc2 Ne4 20. Bc1 Rhe8 21. Rd1 Rxd1+ 22. Bxd1 Nxc4 23. f3 Ned6 24. Kf2 f5 25. g4 g5 26. Be2 fxg4 27. hxg4 Kc7 28. Bxc4 Nxc4 29. f4 Kc6 30. Kf3 Kd5 31. Re2 gxf4 32. exf4 Rxe2 33. Kxe2 Ke4 34. f5 Ne5 35. f6 Nf7 36. Bxh6 Ke5 1/2-1/2

[Event "Basel Easter op"]
[Site "Basel"]
[Date "2023.04.09"]
[Round "7"]
[White "Kostov, Deyan Samuil"]
[Black "Schwabeneder, Florian"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2223"]
[BlackElo "2418"]
[PlyCount "96"]
[EventDate "2023.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Bg4 6. Be2 Bxf3 7. Bxf3 e5 8. d5 h5 9. h4 Nbd7 10. Bg5 Bh6 11. Bxh6 Rxh6 12. g3 Rh8 13. Bg2 Kf8 14. Bh3 Kg7 15. Qe2 a6 16. 0-0 a5 17. Rae1 Nc5 18. f3 Qe7 19. b3 Nfd7 20. Qd2 Nf6 21. Re2 c6 22. Rfe1 cxd5 23. exd5 Nfd7 24. f4 f5 25. fxe5 dxe5 26. Nb5 Kh7 27. Rf1 Rhf8 28. d6 Qf6 29. Qd5 e4 30. Re3 b6 31. a3 Qb2 32. Qd1 Qe5 33. Qa1 Qxa1 34. Rxa1 Ne5 35. a4 Rad8 36. Rd1 Kg7 37. Rd5 Kf6 38. Kf1 Rd7 39. Ke2 Rfd8 40. b4 axb4 41. a5 b3 42. axb6 b2 43. Rd1 Ncd3 44. Rb1 Nxc4 45. Rxd3 exd3+ 46. Kxd3 Nxd6 47. Nxd6 Rxd6+ 48. Kc2 Rxb6 0-1

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2023.04.01"]
[Round "7.8"]
[White "Schwierskott, Marc"]
[Black "Kostov, Deyan Samuil"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2162"]
[BlackElo "2223"]
[PlyCount "84"]
[EventDate "2022.05.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Riehen"]
[BlackTeam "Nyon"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 0-0 9. 0-0 d6 10. e4 Be6 11. Qd3 Rb8 12. Rd1 c5 13. b3 Nc6 14. Be3 Ne5 15. Qc2 Bg4 16. Rf1 Nf3+ 17. Kh1 Nd4 18. Qd2 h5 19. h3 Be6 20. f4 Qd7 21. Kh2 f5 22. Rae1 Rbe8 23. exf5 Bxf5 24. Bxd4 Bxd4 25. Ne4 Kg7 26. h4 Re7 27. Ng5 Rfe8 28. Nf3 Bf6 29. Rxe7+ Rxe7 30. Re1 Rxe1 31. Qxe1 Qe7 32. Qa5 c6 33. Ng5 Qb7 34. Bh3 Bxh3 35. Kxh3 Qd7+ 36. Kg2 Bxg5 37. fxg5 Qe7 38. Qc3+ Kh7 39. Qf3 Qd7 40. Qf8 Qe6 41. Kf2 a5 42. a3 Qe4 1/2-1/2

[Event "Titled Tuesday intern op 14th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.14"]
[Round "6"]
[White "Ansh, M Shah"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2171"]
[BlackElo "2120"]
[PlyCount "74"]
[EventDate "2023.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. a4 c5 7. 0-0 Nc6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. b3 0-0 11. Bb2 Na5 12. Ba3 Bxa3 13. Nxa3 Bd7 14. b4 Nxc4 15. Nxc4 Rad8 16. Nb6 Bc6 17. Nd4 Bd5 18. Rdc1 Rd6 19. a5 Bc6 20. h3 Nd5 21. Nxc6 Rxc6 22. Rxc6 bxc6 23. Rc1 Nxb4 24. Rc4 Nd5 25. Rxc6 Nb4 26. Rc4 Nd3 27. Kf1 g6 28. Ke2 Ne5 29. Rc7 Rd8 30. f4 Nd3 31. Nd7 Nb4 32. Ne5 Rf8 33. Rb7 Nd5 34. Ra7 Nb4 35. Kf3 f6 36. Nd7 Rf7 37. Ra8+ Kg7 0-1

[Event "Titled Tuesday intern op 14th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.14"]
[Round "2"]
[White "Averjanov, Alexey"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "D28"]
[WhiteElo "2399"]
[BlackElo "2120"]
[PlyCount "75"]
[EventDate "2023.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. 0-0 c5 7. Qe2 Nc6 8. Rd1 cxd4 9. Nxd4 Nxd4 10. exd4 Be7 11. Nc3 0-0 12. d5 exd5 13. Nxd5 Nxd5 14. Bxd5 Qc7 15. Qe4 Bf6 16. Bf4 Qb6 17. Be3 Qxb2 18. Rac1 Qe5 19. Qxe5 Bxe5 20. Bc5 Re8 21. Re1 Bf5 22. Bxb7 Rab8 23. Bxa6 Bb2 24. Rxe8+ Rxe8 25. Rd1 h5 26. Be3 Ra8 27. Bc4 Be6 28. Bb3 Bxb3 29. axb3 Ra3 30. Rb1 Be5 31. b4 Ra8 32. b5 Kf8 33. b6 Ke7 34. b7 Rd8 35. Bc5+ Ke6 36. Re1 Kf6 37. f4 Bxf4 38. Be7+ 1-0

[Event "Titled Tuesday intern op 14th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.14"]
[Round "8"]
[White "Heinemann, Josefine"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "B61"]
[WhiteElo "2343"]
[BlackElo "2120"]
[PlyCount "93"]
[EventDate "2023.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. 0-0-0 Nxd4 9. Qxd4 Qa5 10. f4 Rxc3 11. Bxf6 gxf6 12. Qxc3 Qxc3 13. bxc3 Bg7 14. f5 Bh6+ 15. Kb2 Bf4 16. Bc4 0-0 17. Bb3 Rc8 18. a4 Be5 19. Rd3 Bc6 20. Re1 a5 21. h4 b5 22. axb5 Bxb5 23. Rh3 a4 24. Bd5 Bd7 25. g4 e6 26. fxe6 fxe6 27. Ba2 Rb8+ 28. Kc1 Rc8 29. g5 fxg5 30. hxg5 Bf4+ 31. Kd1 Bxg5 32. Rg1 h6 33. Rxh6 Kg7 34. Rh5 Kf6 35. Rhxg5 Rxc3 36. Kd2 Ra3 37. Bc4 Rh3 38. Rg6+ Ke5 39. R1g5+ Kd4 40. Bxe6 a3 41. Bxh3 a2 42. Ra5 Bxh3 43. Rxd6+ Kxe4 44. Rxa2 Ke5 45. Rd3 Bf5 46. Ra5+ Kf6 47. Rf3 1-0

[Event "Titled Tuesday intern op 14th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.14"]
[Round "1"]
[White "Kostov, Deyan Samuil"]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2120"]
[BlackElo "2553"]
[PlyCount "97"]
[EventDate "2023.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 Nh5 8. g3 f5 9. exf5 gxf5 10. Nh4 Nf4 11. Bd2 Na6 12. Qf3 Nc5 13. gxf4 Qxh4 14. fxe5 dxe5 15. 0-0-0 e4 16. Qf4 Qe7 17. Rg1 Kh8 18. Be3 Bd7 19. Qxc7 Rac8 20. Qf4 Bf6 21. d6 Qe6 22. Nd5 Be5 23. Bd4 Bxd4 24. Rxd4 b5 25. Kb1 b4 26. b3 Rf7 27. Ne7 Re8 28. Rd5 Nd3 29. Bxd3 exd3 30. Rxd3 Qf6 31. Qd4 Qxd4 32. Rxd4 f4 33. c5 a5 34. c6 Bxh3 35. d7 Rfxe7 36. dxe8Q+ Rxe8 37. Rgd1 Bf5+ 38. Kb2 Kg7 39. c7 Rc8 40. Rd5 Be6 41. Rc5 Kf6 42. Rd8 Ke7 43. Rxc8 Bxc8 44. Rxa5 Kd6 45. Rh5 Kxc7 46. Rxh7+ Kd6 47. Rh5 Bg4 48. Rh4 Be6 49. Rxf4 1-0

[Event "Titled Tuesday intern op 14th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.14"]
[Round "9"]
[White "Kostov, Deyan Samuil"]
[Black "Curtis, John"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "2120"]
[BlackElo "2292"]
[PlyCount "91"]
[EventDate "2023.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bf4 Nxc3 6. bxc3 Bg7 7. e3 0-0 8. Nf3 c5 9. Be2 Nc6 10. 0-0 Bg4 11. h3 Bxf3 12. Bxf3 dxc4 13. Bxc6 bxc6 14. Qa4 cxd4 15. exd4 Qd5 16. Rfe1 e6 17. Be5 Qb5 18. Qa3 Rfd8 19. Rab1 Qd5 20. Bxg7 Kxg7 21. Re5 Qd7 22. Qc5 Rdb8 23. Rxb8 Rxb8 24. Qxc4 Rb1+ 25. Kh2 Rb2 26. f4 Qe7 27. Qxc6 Rxa2 28. Qf3 Qh4 29. c4 Qd8 30. d5 exd5 31. cxd5 Qa5 32. d6 Qd2 33. Rd5 Qe1 34. d7 Ra1 35. d8Q Qh1+ 36. Kg3 Qe1+ 37. Qf2 Qc3+ 38. Rd3 Qf6 39. Qdd4 Ra6 40. Qxf6+ Rxf6 41. Qxa7 Rf5 42. Rd8 h5 43. Qa3 h4+ 44. Kf3 g5 45. Qf8+ Kh7 46. Qh8+ 1-0

[Event "Titled Tuesday intern op 14th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.14"]
[Round "3"]
[White "Kostov, Deyan Samuil"]
[Black "Gavrilin, Roman"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2120"]
[BlackElo "2152"]
[PlyCount "79"]
[EventDate "2023.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Nbd7 7. Bd3 Be7 8. Nf3 0-0 9. Qc2 Re8 10. 0-0 h6 11. Bf4 Nf8 12. h3 Ne6 13. Bh2 c5 14. dxc5 Nxc5 15. Bf5 Bxf5 16. Qxf5 Nce4 17. Nxe4 dxe4 18. Nd4 Bd6 19. Bxd6 Qxd6 20. Rfd1 Qb6 21. Qb5 Rac8 22. Qxb6 axb6 23. Rac1 Red8 24. a3 Kf8 25. Kf1 g6 26. Ke2 Ke7 27. Kd2 Nd5 28. Rxc8 Rxc8 29. Rc1 Rxc1 30. Kxc1 Nc7 31. Kc2 Kd6 32. Kc3 Kc5 33. b4+ Kd5 34. a4 f5 35. Nc2 b5 36. a5 Ne6 37. Na3 Nc7 38. Nc2 Ne6 39. Na3 Nc7 40. Nc2 1/2-1/2

[Event "Titled Tuesday intern op 14th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.14"]
[Round "7"]
[White "Kostov, Deyan Samuil"]
[Black "Popov, Mikhail"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2120"]
[BlackElo "2396"]
[PlyCount "74"]
[EventDate "2023.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 a5 8. g4 Nfd7 9. Rg1 Nc5 10. Be3 c6 11. Be2 cxd5 12. cxd5 Nba6 13. Nd2 Kh8 14. a3 f5 15. gxf5 gxf5 16. Qc2 f4 17. Bxc5 Nxc5 18. 0-0-0 Bd7 19. Nf3 b5 20. Bxb5 Bxb5 21. Nxb5 a4 22. Nc3 Bf6 23. Kb1 Rf7 24. Rg4 Rb7 25. Ka2 Rab8 26. Rb1 Qa5 27. Nd2 Nb3 28. Nc4 Qa6 29. Nd2 Nc5 30. Rgg1 Bd8 31. Qd1 Ba5 32. Qg4 Qd3 33. Qg5 Rxb2+ 34. Rxb2 Rxb2+ 35. Ka1 Rb1+ 36. Ncxb1 Bc3+ 37. Ka2 Qc2# 0-1

[Event "Titled Tuesday intern op 14th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.14"]
[Round "5"]
[White "Kostov, Deyan Samuil"]
[Black "Tica, Sven"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2120"]
[BlackElo "2439"]
[PlyCount "66"]
[EventDate "2023.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 e5 6. d5 Ne7 7. Be2 0-0 8. h4 h6 9. Be3 f5 10. Qc2 Nf6 11. 0-0-0 fxe4 12. Nxe4 Nxe4 13. Bd3 Nc5 14. Bxc5 dxc5 15. Rde1 Bf5 16. Nxe5 Qd6 17. Nf3 Rae8 18. Kb1 Bxd3 19. Qxd3 Nf5 20. h5 Qf6 21. Qc2 Rxe1+ 22. Rxe1 Nd4 23. Nxd4 Qxd4 24. f3 gxh5 25. a3 Rf6 26. Re2 Rb6 27. Ka2 Rxb2+ 28. Qxb2 Qxc4+ 29. Qb3 Qxe2+ 30. Kb1 Qf1+ 31. Kc2 Qxg2+ 32. Kb1 Qf1+ 33. Ka2 Qa1# 0-1

[Event "Titled Tuesday intern op 14th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.14"]
[Round "4"]
[White "Rasulov, Vugar Ural Oglu"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2516"]
[BlackElo "2120"]
[PlyCount "151"]
[EventDate "2023.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 Ngf6 5. 0-0 g6 6. Re1 Bg7 7. c3 0-0 8. h3 a6 9. d4 b5 10. Bc2 cxd4 11. cxd4 Bb7 12. Nc3 Rc8 13. a3 e6 14. Bg5 h6 15. Bf4 Qe7 16. Qd2 Kh7 17. Rad1 Rfd8 18. h4 Nb6 19. Bd3 Nc4 20. Qe2 Nxa3 21. e5 dxe5 22. Nxe5 Nc4 23. h5 Nxe5 24. Bxe5 Ng8 25. hxg6+ fxg6 26. Bxg7 Kxg7 27. Qg4 Qg5 28. Qxg5 hxg5 29. Rxe6 Rc6 30. Rxc6 Bxc6 31. Be4 Bxe4 32. Nxe4 g4 33. Kh2 Nf6 34. Nc5 Rd6 35. Kg3 a5 36. Kf4 Nd7 37. Ne4 Rd5 38. Kxg4 Nf6+ 39. Nxf6 Kxf6 40. Kf4 a4 41. Ke4 Rd8 42. d5 b4 43. Rd3 Ra8 44. d6 Ke6 45. d7 Ke7 46. Rd4 a3 47. d8Q+ Rxd8 48. Rxb4 axb2 49. Rxb2 Kf6 50. Rb6+ Kg5 51. f4+ Kh5 52. g4+ Kxg4 53. Rxg6+ Kh5 54. f5 Ra8 55. Rd6 Ra4+ 56. Ke5 Ra1 57. Kf6 Kh6 58. Ke7+ Kh7 59. f6 Ra7+ 60. Rd7 Ra1 61. f7 Re1+ 62. Kf8 Rf1 63. Rd2 Rf3 64. Rh2+ Kg6 65. Kg8 Rxf7 66. Rg2+ Kh6 67. Kxf7 Kh5 68. Kf6 Kh4 69. Rg5 Kh3 70. Kf5 Kh4 71. Kf4 Kh3 72. Rg4 Kh2 73. Rg3 Kh1 74. Kf3 Kh2 75. Kf2 Kh1 76. Rh3# 1-0

[Event "EU-ch 23rd"]
[Site "Vrnjacka Banja"]
[Date "2023.03.12"]
[Round "10"]
[White "Kostov, Deyan Samuil"]
[Black "Yordanov, Lachezar"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2120"]
[BlackElo "2335"]
[PlyCount "115"]
[EventDate "2023.03.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRB"]
[SourceTitle "CBM 213"]
[Source "ChessBase"]
[SourceDate "2023.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 Re8 6. Nge2 d5 7. a3 Bf8 8. 0-0 Nbd7 9. b3 b6 10. Bb2 Bb7 11. Rc1 Rc8 12. Qc2 c5 13. Qb1 cxd4 14. exd4 dxc4 15. bxc4 e5 16. d5 Ba6 17. Ne4 Nxe4 18. Bxe4 g6 19. Bd3 Nc5 20. Ng3 Bg7 21. Be2 f5 22. Rfd1 Qd6 23. Bc3 Rc7 24. Nf1 Rec8 25. Nd2 Qd7 26. Bb4 Bh6 27. Qa2 Kh8 28. Rc2 Bg7 29. h3 e4 30. Rcc1 h5 31. Nb3 Nd3 32. Bxd3 exd3 33. Nd2 Bxc4 34. Rxc4 Rxc4 35. Nxc4 Qxd5 36. Qb1 Rxc4 37. Rxd3 Qc6 38. Rd1 Kh7 39. Qb3 a5 40. Bd2 a4 41. Qb1 b5 42. Bb4 Bd4 43. Qa2 Bg7 44. Qe2 Re4 45. Qd3 Rd4 46. Qxd4 Bxd4 47. Rxd4 Qc1+ 48. Kh2 f4 49. f3 Kg8 50. Rd5 Qc4 51. Rc5 Qd3 52. Rc8+ Kg7 53. Rc5 Kf7 54. Kh1 Ke6 55. Kh2 Qe2 56. Kh1 Kf7 57. Kh2 Kf6 58. Kh1 1/2-1/2

[Event "EU-ch 23rd"]
[Site "Vrnjacka Banja"]
[Date "2023.03.11"]
[Round "9"]
[White "Panic, Nenad"]
[Black "Kostov, Deyan Samuil"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2295"]
[BlackElo "2120"]
[PlyCount "103"]
[EventDate "2023.03.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRB"]
[SourceTitle "CBM 213"]
[Source "ChessBase"]
[SourceDate "2023.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.04.30"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 dxc4 5. bxc4 Bg7 6. e3 0-0 7. Be2 c5 8. 0-0 Nc6 9. Ne5 Nxe5 10. Bxe5 Nd7 11. Bxg7 Kxg7 12. f4 Nb6 13. Nc3 e5 14. fxe5 Qg5 15. a4 Be6 16. Qb3 Rad8 17. Rad1 Qxe5 18. a5 Nc8 19. Bf3 Nd6 20. Nd5 Rd7 21. d4 cxd4 22. exd4 Qg5 23. Ne3 Nf5 24. Nxf5+ Bxf5 25. Bxb7 Rb8 26. a6 Be4 27. Rf2 Bxb7 28. d5 Qe5 29. axb7 Rbxb7 30. Qd3 Rbc7 31. Re2 Qf4 32. Re4 Qf6 33. Rf1 Qb6+ 34. Kh1 Rc8 35. h3 a5 36. Qc3+ Kg8 37. c5 Rdd8 38. Qf3 Qa7 39. Qf6 Rf8 40. Re7 Qxc5 41. Rxf7 Rxf7 42. Qxf7+ Kh8 43. Qf6+ Kg8 44. d6 Qc6 45. Qe6+ Kh8 46. Qf6+ Kg8 47. Qf7+ Kh8 48. d7 Rd8 49. Qf8+ Rxf8 50. Rxf8+ Kg7 51. d8Q Qe6 52. Rf1 1-0

[Event "EU-ch 23rd"]
[Site "Vrnjacka Banja"]
[Date "2023.03.10"]
[Round "8"]
[White "Kostov, Deyan Samuil"]
[Black "Krasteva, Beloslava"]
[Result "1/2-1/2"]
[ECO "E53"]
[WhiteElo "2120"]
[BlackElo "2292"]
[PlyCount "45"]
[EventDate "2023.03.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRB"]
[SourceTitle "CBM 213"]
[Source "ChessBase"]
[SourceDate "2023.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Qe2 cxd4 11. 0-0 dxc3 12. e4 Nc6 13. Bg5 Ne5 14. Bxf6 gxf6 15. Nxe5 Qxe5 16. f4 Qd4+ 17. Kh1 b5 18. Rad1 Qxc4 19. Qg4+ Kh8 20. Qh4 Qe2 21. Qxf6+ Kg8 22. Qg5+ Kh8 23. Qf6+ 1/2-1/2

[Event "EU-ch 23rd"]
[Site "Vrnjacka Banja"]
[Date "2023.03.09"]
[Round "7"]
[White "Marcetic, Nikola"]
[Black "Kostov, Deyan Samuil"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2309"]
[BlackElo "2120"]
[PlyCount "74"]
[EventDate "2023.03.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRB"]
[SourceTitle "CBM 213"]
[Source "ChessBase"]
[SourceDate "2023.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.04.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bg3 0-0 6. Ngf3 c5 7. c3 Qc7 8. Ne5 c4 9. Be2 b5 10. a4 bxa4 11. Qxa4 a5 12. 0-0 Ne8 13. e4 f6 14. Ng4 Nd7 15. exd5 exd5 16. Ne3 Nb6 17. Qc2 Bxg3 18. hxg3 a4 19. Bf3 Ra5 20. g4 Nd6 21. Rfe1 g6 22. Ndf1 f5 23. gxf5 gxf5 24. Qd1 Ne4 25. Nc2 Kh8 26. Re3 Rg8 27. Nb4 Ng5 28. Qe2 Ne4 29. Bxe4 fxe4 30. Rg3 Rxg3 31. fxg3 Ra8 32. Qf2 Qg7 33. Qf4 Bg4 34. Qd6 Qg6 35. Qe5+ Qg7 36. Ne3 Qxe5 37. dxe5 Be6 1/2-1/2

[Event "EU-ch 23rd"]
[Site "Vrnjacka Banja"]
[Date "2023.03.08"]
[Round "6"]
[White "Kostov, Deyan Samuil"]
[Black "Pastar, Slaven"]
[Result "0-1"]
[ECO "E45"]
[WhiteElo "2120"]
[BlackElo "2401"]
[PlyCount "86"]
[EventDate "2023.03.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRB"]
[SourceTitle "CBM 213"]
[Source "ChessBase"]
[SourceDate "2023.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.04.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Bxc3+ 7. Nxc3 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. f3 0-0 11. Kf2 Qd6 12. g3 Re8 13. Qd3 c6 14. Bd2 Nbd7 15. Rad1 Nf8 16. Bc1 Rad8 17. Kg2 Ne6 18. Rhe1 a5 19. a4 h6 20. Ne2 Re7 21. Qc2 Qd7 22. b3 Ng5 23. Ng1 Qd6 24. Qa2 Re6 25. Ba3 Qb8 26. Qf2 b5 27. Rb1 b4 28. Bb2 Rde8 29. h4 Ngh7 30. Nh3 g5 31. hxg5 hxg5 32. g4 Nd7 33. Qd2 Ndf8 34. e4 dxe4 35. fxe4 Rxe4 36. Rxe4 Rxe4 37. Kf3 Qe8 38. Qd3 Re6 39. d5 cxd5 40. Qd4 Rf6+ 41. Kg3 Ng6 42. Rf1 Qb8+ 43. Kg2 Nh4+ 0-1

[Event "EU-ch 23rd"]
[Site "Vrnjacka Banja"]
[Date "2023.03.07"]
[Round "5"]
[White "Ivanovic, Marko"]
[Black "Kostov, Deyan Samuil"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2302"]
[BlackElo "2120"]
[PlyCount "102"]
[EventDate "2023.03.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRB"]
[SourceTitle "CBM 213"]
[Source "ChessBase"]
[SourceDate "2023.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.04.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 b5 6. Bf4 Qa5 7. a4 Nxe4 8. Nge2 Nd6 9. axb5 Qb6 10. Ng3 Nd7 11. Bxd6 exd6 12. Qe2+ Kd8 13. Qd2 g6 14. Bxc4 Bg7 15. 0-0 Qc7 16. Rfe1 Nb6 17. Be2 Ke8 18. Bf3+ Kf8 19. Qe3 Qd8 20. h4 h5 21. Nge4 Bd4 22. Qg5 Kg7 23. Ra2 f6 24. Qf4 Be5 25. Qd2 Bf5 26. Rea1 Qc7 27. Na4 Nxa4 28. Rxa4 Rhb8 29. Ra5 Bxe4 30. Bxe4 Rb7 31. Bd3 c4 32. Bb1 c3 33. Qc2 f5 34. b3 Qc5 35. R1a4 Rxb5 36. Rxb5 Qxb5 37. Rc4 Qxd5 38. f4 Bf6 39. Qe2 Qd2 40. Qe6 Bxh4 41. Bxf5 Qf2+ 42. Kh2 Qg3+ 43. Kg1 Qe1+ 44. Qxe1 Bxe1 45. Bd3 Bd2 46. Kf2 a5 47. g3 Re8 48. Rc6 Be3+ 49. Ke2 Bxf4+ 50. Kd1 Bxg3 51. Rxc3 h4 0-1

[Event "EU-ch 23rd"]
[Site "Vrnjacka Banja"]
[Date "2023.03.06"]
[Round "4"]
[White "Kostov, Deyan Samuil"]
[Black "Maltsevskaya, Aleksandra"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2120"]
[BlackElo "2388"]
[PlyCount "57"]
[EventDate "2023.03.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRB"]
[SourceTitle "CBM 213"]
[Source "ChessBase"]
[SourceDate "2023.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. d5 e6 5. a3 Bd6 6. Nf3 0-0 7. g3 Ba6 8. Nd2 exd5 9. cxd5 Qe8 10. e3 Bxf1 11. Kxf1 Be5 12. Qf3 d6 13. Kg2 Nbd7 14. Na2 a5 15. Rb1 Qc8 16. Rd1 Qb7 17. e4 b5 18. b4 a4 19. Qd3 c5 20. f4 Bd4 21. bxc5 Bxc5 22. h3 h6 23. Nc3 Ba7 24. Nxb5 Nc5 25. Qf3 Qe7 26. e5 dxe5 27. d6 e4 28. dxe7 exf3+ 29. Nxf3 0-1

[Event "EU-ch 23rd"]
[Site "Vrnjacka Banja"]
[Date "2023.03.05"]
[Round "3"]
[White "Zajic, Milan"]
[Black "Kostov, Deyan Samuil"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2387"]
[BlackElo "2120"]
[PlyCount "93"]
[EventDate "2023.03.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRB"]
[SourceTitle "CBM 213"]
[Source "ChessBase"]
[SourceDate "2023.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.04.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f4 Bb4 9. Bd3 d5 10. e5 Nd7 11. 0-0 Nc5 12. a3 Bxc3 13. Qxc3 Nxd3 14. cxd3 0-0 15. Rac1 Bd7 16. Qd2 Qd8 17. Nf3 Rc8 18. Qf2 d4 19. Nxd4 Nxd4 20. Bxd4 Bb5 21. Bc5 Re8 22. Rc3 Qd5 23. Rfc1 Rc6 24. h3 Rec8 25. d4 h6 26. Kh2 a5 27. Qh4 Qd8 28. Qxd8+ Rxd8 29. Bd6 Rdc8 30. Bc5 Rd8 31. Kg3 b6 32. Bd6 Rdc8 33. Kf2 a4 34. g4 Rxc3 35. bxc3 Bc4 36. f5 g6 37. Rg1 gxf5 38. gxf5+ Kh7 39. Rb1 b5 40. fxe6 fxe6 41. Bc5 Rc7 42. Rb2 Rf7+ 43. Ke3 Rg7 44. Kf4 Rf7+ 45. Ke3 Rg7 46. Kf4 Rf7+ 47. Ke3 1/2-1/2

[Event "EU-ch 23rd"]
[Site "Vrnjacka Banja"]
[Date "2023.03.04"]
[Round "2"]
[White "Kostov, Deyan Samuil"]
[Black "Pajeken, Jakob Leon"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2120"]
[BlackElo "2465"]
[PlyCount "122"]
[EventDate "2023.03.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SRB"]
[SourceTitle "CBM 213"]
[Source "ChessBase"]
[SourceDate "2023.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Bd6 8. 0-0 Re8 9. f3 c5 10. dxc5 Bxc5 11. Kh1 Bxe3 12. Bxe3 Rxe3 13. Be4 Qe8 14. Bxd5 Nc6 15. Ng3 Be6 16. Nge4 Nxd5 17. Nxd5 Bxd5 18. Qxd5 Qd8 19. Qh5 h6 20. Qb5 Qb6 21. Qxb6 axb6 22. Kg1 Rd3 23. Nc3 Rd2 24. Rf2 Rad8 25. Rxd2 Rxd2 26. b3 f5 27. Rd1 Rc2 28. Nd5 Rxa2 29. Nxb6 Rb2 30. Rd3 Na5 31. Nc4 Rb1+ 32. Kf2 Nxb3 33. Nd2 Nxd2 34. Rxd2 Kf7 35. Rd7+ Kf6 36. f4 Rb2+ 37. Kf3 Rb3+ 38. Ke2 Rb6 39. g3 g6 40. Rh7 h5 41. Kf3 Ke6 42. Rg7 Kd5 43. h3 Rb3+ 44. Kf2 h4 45. gxh4 Ke4 46. Rxg6 Kxf4 47. Kg2 Rb2+ 48. Kg1 Kf3 49. h5 Rb4 50. Kh2 Rb2+ 51. Kg1 Rb4 52. h6 Rh4 53. Kh2 b5 54. Rb6 b4 55. h7 Rxh7 56. Rxb4 Re7 57. Rb3+ Kf4 58. Rb4+ Re4 59. Rxe4+ fxe4 60. Kg2 Ke3 61. h4 Kf4 1/2-1/2

