[Event "Portimao op"]
[Site "Portimao"]
[Date "2024.02.11"]
[Round "1"]
[White "Martinez Ramirez, Lennis"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2442"]
[BlackElo "1715"]
[PlyCount "89"]
[EventDate "2024.02.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 Nf6 3. Bg2 c5 4. d4 cxd4 5. 0-0 Nc6 6. Nxd4 e5 7. Nxc6 bxc6 8. c4 Be7 9. cxd5 cxd5 10. Nc3 e4 11. Bg5 Be6 12. Qa4+ Qd7 13. Qxd7+ Nxd7 14. Be3 Bc5 15. Bxc5 Nxc5 16. Rfd1 Rd8 17. Rac1 Na6 18. Nb5 Rb8 19. Nd4 0-0 20. b3 Rfc8 21. f3 exf3 22. Bxf3 Nb4 23. a3 Na2 24. Rxc8+ Rxc8 25. Kf2 Nc3 26. Ra1 Kf8 27. Ke3 Ke7 28. Rc1 f5 29. Kd3 Ne4 30. Rxc8 Bxc8 31. Nc6+ Kd6 32. Nxa7 Ba6+ 33. Kd4 Kc7 34. a4 Kb6 35. Nb5 Bxb5 36. axb5 Nf6 37. Bxd5 Kxb5 38. Bf3 Kb4 39. Ke5 Kxb3 40. Kxf5 Kc3 41. Ke6 Kd2 42. Kf7 h5 43. Kxg7 Ng4 44. Bxg4 hxg4 45. e4 1-0

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.18"]
[Round "5"]
[White "Cvitan, Ena"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2281"]
[BlackElo "1688"]
[PlyCount "69"]
[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. Nf3 Nf6 3. Bf4 e6 4. e3 c6 5. Bd3 Bd6 6. Bg3 0-0 7. Nbd2 Re8 8. Ne5 Qc7 9. f4 Nbd7 10. Bh4 c5 11. c3 c4 12. Bc2 b5 13. Qf3 Bb7 14. g4 b4 15. Bxf6 Nxf6 16. g5 Nd7 17. Bxh7+ Kxh7 18. Qh5+ Kg8 19. Qxf7+ Kh8 20. Nxd7 bxc3 21. bxc3 g6 22. Qf6+ Kh7 23. Ne5 Bxe5 24. Qxe5 Qc6 25. h4 Rh8 26. h5 Kg8 27. Qf6 Qe8 28. h6 Rh7 29. Nf3 Qa4 30. Qxg6+ Kh8 31. Qf6+ Kg8 32. g6 Qc2 33. gxh7+ Qxh7 34. Rg1+ Qg7 35. Qxg7# 1-0

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.17"]
[Round "4"]
[White "Kostov, Troyan"]
[Black "Wu, Yixing"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1688"]
[BlackElo "2151"]
[PlyCount "94"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be6 8. Nd5 Be7 9. Be2 0-0 10. 0-0 a5 11. a4 Bxd5 12. exd5 Nb4 13. c4 Nd7 14. Be3 Bg5 15. f4 exf4 16. Bxf4 Bxf4 17. Rxf4 Qe7 18. Rf2 Nf6 19. Nd4 g6 20. Nc2 Nxc2 21. Qxc2 Rae8 22. Bd3 Qe3 23. Kh1 Ng4 24. Re2 Qd4 25. h3 Rxe2 26. Bxe2 Nf2+ 27. Kh2 Re8 28. Bf3 Qf4+ 29. Kg1 Nxh3+ 30. Kh1 Qh4 31. Rf1 Ng5+ 32. Kg1 Nxf3+ 33. Rxf3 Re1+ 34. Rf1 Qd4+ 35. Qf2 Rxf1+ 36. Kxf1 Qxc4+ 37. Kg1 Qxd5 38. Qf6 h5 39. Kh1 Qe5 40. Qd8+ Kg7 41. Qb6 Qe1+ 42. Kh2 Qh4+ 43. Kg1 Qb4 44. Qd8 h4 45. Kh1 Qxa4 46. Qxd6 Qa1+ 47. Kh2 Qxb2 0-1

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.16"]
[Round "3"]
[White "Tesla, Miro"]
[Black "Kostov, Troyan"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2117"]
[BlackElo "1688"]
[PlyCount "63"]
[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. Nf3 d5 2. c4 Nf6 3. g3 Bf5 4. cxd5 Nxd5 5. d3 Nb6 6. Nc3 Nc6 7. Bg2 e5 8. a3 a5 9. Na4 Nxa4 10. Qxa4 Bd6 11. Qb5 Qd7 12. Qxb7 Rb8 13. Qa6 Be6 14. Ng5 Nd4 15. e3 Bb4+ 16. axb4 Nc2+ 17. Kf1 Nxb4 18. Qxa5 Qxd3+ 19. Kg1 Qd1+ 20. Bf1 0-0 21. Nxe6 fxe6 22. Qxe5 Qf3 23. Qf4 Rxf4 24. exf4 Rd8 25. Be3 Nc2 26. Bg2 Qe2 27. Bf1 Qh5 28. Rc1 Nxe3 29. fxe3 Rd2 30. h3 Qf3 31. Rh2 Qxg3+ 32. Bg2 0-1

[Event "Hvar op"]
[Site "Hvar"]
[Date "2023.10.15"]
[Round "1"]
[White "Lavrov, Maxim1"]
[Black "Kostov, Troyan"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2173"]
[BlackElo "1688"]
[PlyCount "64"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 d6 7. Ng5 d5 8. exd5 Nd4 9. Qe1 Bd6 10. f4 Qe7 11. fxe5 Bxe5 12. d6 cxd6 13. Bxf7+ Kd8 14. Bb3 Nxb3 15. axb3 Bb7 16. d3 h6 17. Nf3 Bxf3 18. gxf3 Re8 19. Qa5+ Kc8 20. Qb6 Nd5 21. Qc6+ Nc7 22. Nc3 Qh4 23. f4 Bxc3 24. Qg2 Bd4+ 25. Kh1 Qh5 26. c3 Re2 27. Qg3 Qd5+ 28. Qf3 Re1 29. Kg2 Rxf1 30. Qxd5 Rg1+ 31. Kf3 Nxd5 32. Ke4 Be3 0-1

[Event "EU-ch Schools U13"]
[Site "Rhodes"]
[Date "2022.04.28"]
[Round "8"]
[White "Keber, Aljosa"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "C93"]
[WhiteElo "1511"]
[BlackElo "1439"]
[PlyCount "71"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 d6 7. c3 Be7 8. h3 Bb7 9. Re1 0-0 10. d4 h6 11. Nbd2 Re8 12. Nf1 Bf8 13. Ng3 Qd7 14. Nh4 Rad8 15. d5 Nb8 16. Nhf5 c6 17. Qf3 Nh7 18. h4 cxd5 19. exd5 f6 20. Qe4 Qf7 21. Rd1 Kh8 22. Bc2 Qg8 23. h5 Nd7 24. Nh4 g5 25. hxg6 Ng5 26. Bxg5 fxg5 27. Nf3 Nc5 28. Qg4 Bxd5 29. Nxg5 hxg5 30. Qh5+ Kg7 31. Rxd5 Kf6 32. Qf3+ Ke7 33. Rad1 Kd7 34. Rxc5 Qxa2 35. Qb7+ Ke6 36. Qf7# 1-0

[Event "EU-ch Schools U13"]
[Site "Rhodes"]
[Date "2022.04.27"]
[Round "7"]
[White "Kostov, Troyan"]
[Black "Sozat, Arda"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1439"]
[BlackElo "1591"]
[PlyCount "58"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. c4 Qd6 4. Nc3 Nc6 5. a3 e5 6. Be2 Bf5 7. d3 0-0-0 8. Ne4 Bxe4 9. dxe4 Qg6 10. Qb3 Qxe4 11. Qh3+ f5 12. Nf3 Nd4 13. Nxd4 exd4 14. Qd3 Nf6 15. 0-0 Re8 16. Qxe4 fxe4 17. Bd2 Bd6 18. b4 b6 19. Rac1 c5 20. bxc5 Bxc5 21. a4 Rd8 22. Ra1 h5 23. a5 e3 24. fxe3 Ne4 25. exd4 Bxd4+ 26. Be3 Bxe3+ 27. Kh1 Nf2+ 28. Kg1 h4 29. axb6 Ne4+ 0-1

[Event "EU-ch Schools U13"]
[Site "Rhodes"]
[Date "2022.04.26"]
[Round "6"]
[White "Frydel, Marcel Karol"]
[Black "Kostov, Troyan"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1223"]
[BlackElo "1439"]
[PlyCount "162"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 d6 6. Nxc6 bxc6 7. e5 dxe5 8. Qxd8+ Kxd8 9. Bg5 Be7 10. Bc4 Ke8 11. 0-0-0 Nd7 12. Bxe7 Kxe7 13. Rhe1 Re8 14. Rd3 Kf8 15. Bb3 Nc5 16. Rde3 f6 17. f4 Nd7 18. Bc4 Bb7 19. Bd3 g6 20. Rh3 Kg7 21. Rhe3 Kf8 22. Rh3 Re7 23. Rf1 exf4 24. Rxf4 c5 25. Be4 Bxe4 26. Nxe4 f5 27. Ng5 Kg8 28. b3 h5 29. Rd3 Kg7 30. Ne6+ Kf7 31. Nxc7 Rc8 32. Nb5 Ra8 33. Nd6+ Kf6 34. Nb5 Nb6 35. Rd6+ Kg5 36. Rf3 h4 37. g3 h3 38. Rf2 Rb7 39. Nc3 Re8 40. Kd2 c4 41. Nd5 cxb3 42. axb3 Re5 43. Nf4 Rd7 44. Rxd7 Nxd7 45. Nxh3+ Kg4 46. Nf4 g5 47. Nd3 Re8 48. c4 Nf6 49. Re2 Rxe2+ 50. Kxe2 Kh3 51. Kf3 Kxh2 52. Nc5 Kh3 53. Nd3 Nd7 54. c5 Nb8 55. Ne5 Na6 56. c6 Nc7 57. g4 fxg4+ 58. Nxg4 Ne6 59. Nf2+ Kh4 60. Ke3 Kg3 61. Ke4 Kxf2 62. Kf5 Nc7 63. Kxg5 Ke3 64. Kf6 Kd4 65. Ke7 Kc5 66. Kd7 Kb6 67. b4 Na8 68. Kc8 a6 69. Kb8 Nc7 70. Kc8 Kxc6 71. Kb8 Kb5 72. Kxc7 Kxb4 73. Kb6 a5 74. Kb7 a4 75. Kb8 a3 76. Ka8 a2 77. Kb8 a1Q 78. Kc8 Qg7 79. Kb8 Kb5 80. Kc8 Kc6 81. Kd8 Qd7# 0-1

[Event "EU-ch Schools U13"]
[Site "Rhodes"]
[Date "2022.04.24"]
[Round "4"]
[White "Tabatadze, Erekle"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1557"]
[BlackElo "1439"]
[PlyCount "79"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Nf3 Be7 8. Bd3 0-0 9. 0-0 Re8 10. Qc2 h6 11. Bh4 Nf8 12. Rab1 N8d7 13. Rfc1 Ne4 14. Bxe7 Qxe7 15. b4 Nxc3 16. Qxc3 a6 17. a4 Nf6 18. b5 axb5 19. axb5 Bd7 20. Ne5 Rec8 21. bxc6 Ra3 22. Qc5 Qxc5 23. Rxc5 bxc6 24. h3 Kf8 25. Rb7 Be8 26. Bf5 Rca8 27. Nxc6 g6 28. Bc2 Nd7 29. Rxd5 Rc3 30. Nb4 Ra1+ 31. Kh2 Rf1 32. Kg3 h5 33. Ba4 Nf6 34. Rd8 h4+ 35. Kf3 Rfc1 36. Bxe8 Rc8 37. Rxf7+ Kg8 38. Rxc8 Rxc8 39. Rxf6 Rxe8 40. Rxg6+ 1-0

[Event "EU-ch Schools U13"]
[Site "Rhodes"]
[Date "2022.04.22"]
[Round "2"]
[White "Hobson, Kenneth"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1674"]
[BlackElo "1439"]
[PlyCount "77"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. Nxe5 Qe7 7. d4 c5 8. Nf3 Nxe4 9. 0-0 Nxc3 10. bxc3 Qd6 11. Ba3 b6 12. Ne5 Be7 13. Qf3 Rb8 14. Nxf7 Qf6 15. Qxf6 Bxf6 16. Nxh8 Kf8 17. dxc5 bxc5 18. Bxc5+ Kg8 19. Rab1 Ra8 20. Rfe1 Bf5 21. Bd4 Bxd4 22. cxd4 Bxc2 23. Rbc1 Bf5 24. Rxc7 Kxh8 25. Rce7 Bg6 26. d5 Rd8 27. d6 Kg8 28. d7 Kf8 29. g4 Bf7 30. f4 h6 31. a4 a5 32. f5 Rb8 33. R7e5 Rd8 34. Rxa5 Rxd7 35. Ra8+ Be8 36. Rexe8+ Kf7 37. Rf8+ Ke7 38. Rae8+ Kd6 39. Rd8 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2020.08.22"]
[Round "9"]
[White "Kostov, Troyan"]
[Black "Nemitz, Alfred"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1222"]
[PlyCount "80"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 8. Qd2 0-0 9. 0-0-0 Be6 10. Kb1 a5 11. Be2 Bf6 12. Ng5 Bxg5 13. Bxg5 f6 14. Be3 Ne5 15. Rdg1 Qd7 16. h3 b5 17. Bf3 Rad8 18. Bd5 c5 19. g4 Bxd5 20. Qxd5+ Qf7 21. Qxf7+ Kxf7 22. g5 f5 23. b3 g6 24. Rg3 Kg7 25. f4 Nc6 26. Rd1 Rfe8 27. Re1 Re4 28. Kc1 Rde8 29. h4 d5 30. Kd2 Kf7 31. Rgg1 d4 32. cxd4 cxd4 33. Bf2 Rxf4 34. Rxe8 Kxe8 35. Bg3 Re4 36. Re1 Ke7 37. a3 Rxe1 38. Bxe1 Ke6 39. Bg3 Kd5 40. Kd3 Ne5+ 0-1

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2020.08.20"]
[Round "7"]
[White "Soucek, Andrej"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1098"]
[BlackElo "1222"]
[PlyCount "33"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 h6 8. 0-0 0-0 9. Bd2 d5 10. e5 Nd7 11. Qh5 d4 12. Bxh6 gxh6 13. Qxh6 Re8 14. Bh7+ Kh8 15. Bg6+ Kg8 16. Qh7+ Kf8 17. Qxf7# 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2020.08.19"]
[Round "6"]
[White "Wolff, Calvin"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1123"]
[BlackElo "1222"]
[PlyCount "67"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Nc3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Nd5 Nge7 9. c3 0-0 10. Bg5 Qd7 11. Bb3 Kh8 12. Qd2 f6 13. Be3 Bb6 14. Nh4 Rac8 15. Nf5 Nxd5 16. Bxd5 Bxe3 17. Qxe3 Bxf5 18. gxf5 a6 19. Be6 Qd8 20. Bxc8 Qxc8 21. h4 Ne7 22. 0-0-0 b6 23. Rdg1 Qb7 24. h5 Rg8 25. h6 g6 26. fxg6 Nxg6 27. Qf3 Rf8 28. Qf5 Qb8 29. Qd7 Rg8 30. Qf7 Qd8 31. Rh4 a5 32. f4 f5 33. Rhh1 fxe4 34. f5 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2020.08.18"]
[Round "5"]
[White "Kostov, Troyan"]
[Black "Kammova, Katerina"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1222"]
[PlyCount "73"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. 0-0 Bd6 9. Re1+ Be6 10. Ng5 Qd7 11. Nxe6 fxe6 12. Bg5 0-0 13. Qe2 Rae8 14. Qxa6 Ng4 15. h3 Nxf2 16. Qe2 Ne4 17. Nxe4 dxe4 18. Qxe4 c5 19. dxc5 Bxc5+ 20. Be3 Qb5 21. Bxc5 Qxc5+ 22. Kh1 Rf6 23. Qa4 Rd8 24. Qb3 Qc6 25. Rg1 Rf2 26. Raf1 Rxc2 27. a3 h6 28. Re1 Rd6 29. a4 Kh7 30. Ref1 Rdd2 31. Qg3 Rxb2 32. Rf7 Rxg2 33. Rxg2 Rb1+ 34. Kh2 Qd6 35. Rxg7+ Kh8 36. Rg8+ Kh7 37. Qxd6 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2020.08.17"]
[Round "4"]
[White "Kostov, Troyan"]
[Black "Huber, Laura"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1222"]
[PlyCount "87"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Ng5 Nh6 6. 0-0 0-0 7. h3 Na5 8. Bb3 Nxb3 9. axb3 f5 10. Qh5 Qe8 11. Qxe8 Rxe8 12. Nc3 Bd7 13. b4 Bb6 14. Nd5 c6 15. Nxb6 axb6 16. Be3 c5 17. bxc5 bxc5 18. f4 Rxa1 19. Rxa1 Nf7 20. Nxf7 Kxf7 21. fxe5 fxe4 22. exd6 exd3 23. Bxc5 d2 24. Kf2 Re5 25. Bb4 Rd5 26. Rd1 Bf5 27. Rxd2 Rxd2+ 28. Bxd2 Bxc2 29. Bb4 Ba4 30. Bc5 Ke6 31. b4 Bb5 32. Kg3 Kf6 33. Kf4 g5+ 34. Kg4 Kg6 35. Kf3 Bc6+ 36. Kf2 Kf5 37. Ke3 Ke5 38. g3 h5 39. g4 hxg4 40. hxg4 Bd7 41. Kd3 Kd5 42. Be3 Kxd6 43. Kc4 Bxg4 44. Bxg5 1/2-1/2

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2020.08.16"]
[Round "3"]
[White "Neuhoff, Laertes"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1700"]
[BlackElo "1222"]
[PlyCount "35"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. 0-0 cxb2 7. Bxb2 f6 8. a3 Ba5 9. e5 Qe7 10. Nbd2 Kd8 11. Qb3 Nh6 12. exf6 gxf6 13. Rfe1 Ne5 14. Nxe5 fxe5 15. Rxe5 Qh4 16. Nf3 Qg4 17. Rxa5 Re8 18. Bf6+ 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2020.08.15"]
[Round "2"]
[White "Kostov, Troyan"]
[Black "Roessler, Helena"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1222"]
[BlackElo "1166"]
[PlyCount "77"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. 0-0 d6 6. c3 Bg4 7. Bg5 Qe7 8. Nbd2 0-0-0 9. a4 h6 10. Bxf6 Qxf6 11. b4 Nxb4 12. cxb4 Bxb4 13. Qb3 Bc5 14. Bxf7 Rdf8 15. Bd5 c6 16. Bc4 Bxf3 17. Nxf3 g5 18. Rab1 Bb6 19. a5 g4 20. axb6 a6 21. Be6+ Kd8 22. Bxg4 Rhg8 23. Bf5 Qg7 24. g3 Qf7 25. Qxf7 Rxf7 26. Be6 Rxf3 27. Bxg8 Rf8 28. Bc4 Rh8 29. Rfc1 h5 30. Bxa6 bxa6 31. Rxc6 h4 32. Rbc1 Rh6 33. b7 hxg3 34. b8Q+ Kd7 35. Qc8+ Ke7 36. Rc7+ Kf6 37. Qf8+ Kg5 38. Qf5+ Kh4 39. fxg3# 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2020.08.14"]
[Round "1"]
[White "Besou, Hussain"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1875"]
[BlackElo "1222"]
[PlyCount "35"]
[EventDate "2020.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Nge7 6. Nc3 Bd7 7. Bg5 f6 8. Be3 Nxd4 9. Qxd4 Bxb5 10. Nxb5 d5 11. Bf4 Rc8 12. Nxa7 c5 13. Qa4+ Nc6 14. Nxc8 dxe4 15. Qxe4+ Be7 16. Nd6+ Kf8 17. Qe6 Qa5+ 18. Bd2 1-0

[Event "Davos op 19th"]
[Site "Davos"]
[Date "2020.08.08"]
[Round "2"]
[White "Kostov, Troyan"]
[Black "Milovanovic, Milos"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1222"]
[BlackElo "1967"]
[PlyCount "92"]
[EventDate "2020.08.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 a6 4. a4 Nf6 5. Nc3 e6 6. 0-0 Be7 7. Re1 0-0 8. d4 cxd4 9. Nxd4 Nbd7 10. Nf3 Qb6 11. Bb3 Nc5 12. a5 Qc7 13. Bc4 Rd8 14. Bg5 Ncxe4 15. Nxe4 Qxc4 16. Bxf6 Bxf6 17. Nxf6+ gxf6 18. Qd2 Bd7 19. Qxd6 Qxc2 20. Qg3+ Qg6 21. Rad1 Qxg3 22. hxg3 e5 23. Rd6 Be6 24. Red1 Rxd6 25. Rxd6 Rc8 26. Rd1 Rc2 27. Rd2 Rc1+ 28. Kh2 Kf8 29. Rd6 Ke7 30. Rb6 Bc8 31. g4 Rc6 32. Rb4 Rc5 33. Ra4 Rb5 34. b4 Bxg4 35. Kg3 Bxf3 36. Kxf3 f5 37. g3 Ke6 38. Ke3 Kd5 39. Kd3 f6 40. f3 h5 41. Kc3 f4 42. gxf4 e4 43. fxe4+ Kxe4 44. Ra1 Kxf4 45. Rh1 Kg4 46. Rf1 f5 0-1

[Event "Davos op 19th"]
[Site "Davos"]
[Date "2020.08.07"]
[Round "1"]
[White "Benazzo, Angelo"]
[Black "Kostov, Troyan"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1691"]
[BlackElo "1222"]
[PlyCount "138"]
[EventDate "2020.08.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 c5 5. Nbd2 e6 6. 0-0 Be7 7. Re1 0-0 8. a4 Nc6 9. b3 Qb6 10. Bb2 Na5 11. Rb1 Rac8 12. c4 d4 13. h3 Nd7 14. Ba3 Bg6 15. Nxd4 Bg5 16. N4f3 Bxd2 17. Nxd2 Rfe8 18. b4 cxb4 19. Bxb4 Nc6 20. Bc3 Qc7 21. Qb3 b6 22. Rb2 a6 23. Nf3 e5 24. Nh4 Nd4 25. Bxd4 exd4 26. Nxg6 hxg6 27. Reb1 Rb8 28. Bf3 Nc5 29. Qa3 Nd7 30. Ra2 Re5 31. Bd5 Nf6 32. Bf3 Nd7 33. Qc1 Ra5 34. Qf4 Qxf4 35. gxf4 b5 36. cxb5 axb5 37. Bc6 bxa4 38. Rxb8+ Nxb8 39. Bxa4 Na6 40. Bb3 Rxa2 41. Bxa2 Kf8 42. e3 dxe3 43. fxe3 Ke7 44. Kf2 f6 45. h4 Nb4 46. Bc4 Kd6 47. e4 Ke7 48. Kg3 Nc6 49. Bg8 Kf8 50. Bd5 Nb4 51. Bc4 Ke7 52. e5 Nc6 53. e6 Nd4 54. Kg4 Nxe6 55. f5 gxf5+ 56. Kxf5 Nf8 57. h5 Nd7 58. d4 Nf8 59. Bg8 Nd7 60. Kg6 Kf8 61. Be6 Nb8 62. d5 Na6 63. d6 Nc5 64. Bf5 Kg8 65. Bc8 Kf8 66. Kf5 Kf7 67. d7 Nxd7 68. Bxd7 Kg8 69. Kg6 Kh8 1/2-1/2

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2019.08.24"]
[Round "9"]
[White "Vana, Jan1111"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1118"]
[PlyCount "55"]
[EventDate "2019.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 0-0 7. cxd5 exd5 8. Bd3 h6 9. Bh4 b6 10. 0-0 Bb7 11. Rc1 c5 12. Bb1 c4 13. Qc2 a5 14. Ne5 Ne4 15. Nxd7 Qxd7 16. Bxe7 Qxe7 17. Nxe4 dxe4 18. Qxc4 Ba6 19. Qc6 Bxf1 20. Kxf1 Rac8 21. Qxc8 Rxc8 22. Rxc8+ Kh7 23. Rc4 f5 24. g3 Qd7 25. Kg2 Kg6 26. Bc2 Kg5 27. h4+ Kg4 28. Bd1# 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2019.08.23"]
[Round "8"]
[White "Kostov, Troyan"]
[Black "Andries, Alexia"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "1315"]
[PlyCount "54"]
[EventDate "2019.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. Be2 Nc6 5. 0-0 d6 6. d3 Be7 7. Be3 Nf6 8. d4 cxd4 9. Bxd4 Nxd4 10. Nxd4 Qc7 11. Re1 0-0 12. Qd3 b5 13. a3 Bb7 14. Nf3 Rfd8 15. Rad1 d5 16. e5 Ne4 17. Nd4 Rac8 18. Nxe4 dxe4 19. Qg3 h6 20. Bh5 Bd5 21. c3 Qb7 22. b4 Qc7 23. Re3 Rd7 24. h3 Rdd8 25. Rd2 Bg5 26. f4 exf3 27. Rxf3 Bxf3 0-1

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2019.08.22"]
[Round "7"]
[White "Novomeska, Karin"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1269"]
[PlyCount "53"]
[EventDate "2019.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 Be7 6. e3 0-0 7. cxd5 exd5 8. Bd3 b6 9. 0-0 c5 10. dxc5 bxc5 11. Rc1 c4 12. Bb1 Bb7 13. b3 Qc7 14. bxc4 dxc4 15. Bf4 Qc6 16. Ne2 g5 17. Bxg5 Ne5 18. Ned4 Qd5 19. Bxf6 Bxf6 20. e4 Nxf3+ 21. Nxf3 Qh5 22. Qd7 Bc8 23. Qc6 Qg6 24. e5 Qg7 25. Qxf6 Qxf6 26. exf6 Bg4 27. Ne5 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2019.08.21"]
[Round "6"]
[White "Kostov, Troyan"]
[Black "Barteckova, Valerie"]
[Result "0-1"]
[ECO "C58"]
[BlackElo "1128"]
[PlyCount "38"]
[EventDate "2019.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Ng4 9. Ne4 f5 10. Ng3 e4 11. Be2 Nf6 12. d3 Qe7 13. 0-0 exd3 14. Bxd3 g6 15. Re1 Be6 16. Nxf5 gxf5 17. Bxf5 Rd8 18. Qh5+ Nxh5 19. Nc3 Ng7 0-1

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2019.08.20"]
[Round "5"]
[White "Griksaite, Ruta"]
[Black "Kostov, Troyan"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "1012"]
[PlyCount "39"]
[EventDate "2019.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. f4 d6 2. Nf3 Bg4 3. e3 e5 4. Be2 Nc6 5. b3 Bf5 6. Bb2 Nb4 7. d3 e4 8. dxe4 Bxe4 9. Bd3 Bxf3 10. Qxf3 Qh4+ 11. g3 Qd8 12. Qe4+ Qe7 13. Qxe7+ Nxe7 14. a3 Nbd5 15. e4 Nb6 16. Nd2 0-0-0 17. 0-0-0 d5 18. e5 g6 19. Rhe1 Bg7 20. Nf3 1/2-1/2

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2019.08.19"]
[Round "4"]
[White "Kostov, Troyan"]
[Black "Tiitta, Luukas"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "1083"]
[PlyCount "74"]
[EventDate "2019.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 Nf6 4. Nc3 c6 5. Bc4 d5 6. exd5 cxd5 7. Bb3 b6 8. Ne5 e6 9. Qf3 Nbd7 10. Bg5 0-0 11. 0-0 h6 12. Bh4 Qc7 13. Bg3 Qd8 14. Nc6 Qe8 15. Bd6 Bb7 16. Bxf8 Qxf8 17. Ba4 Bxc6 18. Bxc6 Rb8 19. Qh3 a6 20. Bxd7 Nxd7 21. Rad1 Qb4 22. Nxd5 Qxb2 23. Rb1 Qxa2 24. Nb4 Qa4 25. d5 Nc5 26. Qg3 e5 27. Nc6 Rb7 28. Nb4 a5 29. Nd3 Nxd3 30. Qxd3 b5 31. Qh3 Kh7 32. c4 Qxc4 33. Rfc1 Qxd5 34. Rc8 Qe4 35. Rf1 a4 36. Ra8 Rc7 37. f3 Qxa8 0-1

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2019.08.18"]
[Round "3"]
[White "Kostov, Troyan"]
[Black "Keck, Johannes"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1397"]
[PlyCount "52"]
[EventDate "2019.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. d4 Nc6 5. Nc3 cxd4 6. Nxd4 Nxe5 7. Qh5 Ng6 8. Bd3 Nf6 9. Qh3 e5 10. Qe3 Bc5 11. Bxg6 Bxd4 12. Qg5 hxg6 13. Nb5 Bxf2+ 14. Kf1 Qe7 15. b3 a6 16. Ba3 Bc5 17. Bxc5 Qxc5 18. Qxe5+ Kd7 19. Nc3 Re8 20. Ne4 Qb5+ 21. c4 Rxe5 22. Nxf6+ gxf6 23. cxb5 axb5 24. Kf2 Kd6 25. Kf3 Bf5 26. g4 Be4+ 0-1

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2019.08.17"]
[Round "2"]
[White "Litcanu, Daria Tiana"]
[Black "Kostov, Troyan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1117"]
[PlyCount "33"]
[EventDate "2019.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ne4 7. cxd4 Bb4+ 8. Nbd2 d6 9. a3 Nxd2 10. Bxd2 Bxd2+ 11. Qxd2 dxe5 12. dxe5 Qxd2+ 13. Kxd2 0-0 14. Rhe1 Re8 15. Ng5 Nxe5 16. Bxf7+ Nxf7 17. Rxe8# 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2019.08.16"]
[Round "1"]
[White "Kostov, Troyan"]
[Black "Siles, Jan"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "1231"]
[PlyCount "116"]
[EventDate "2019.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 e6 5. Nc3 Be7 6. Nf3 0-0 7. 0-0 d5 8. exd5 exd5 9. Bb5 Bd7 10. Bxc6 Bxc6 11. Qe2 Re8 12. d4 Bd6 13. Qd1 c4 14. Bg5 Qc7 15. Bxf6 gxf6 16. Qd2 Bf4 17. Qd1 Kh8 18. g3 Rg8 19. Kh1 Bd6 20. b3 Rg7 21. Qd2 Rag8 22. Ne2 Bd7 23. Rg1 Bg4 24. Nh4 c3 25. Nxc3 Bb4 26. Nxd5 Qc6 27. Qxb4 Qxd5+ 28. Rg2 Bh3 29. Qd2 Rg4 30. f3 Bxg2+ 31. Nxg2 Qxf3 32. Kg1 Qe4 33. Re1 Qxd4+ 34. Qxd4 Rxd4 35. Re7 Rd1+ 36. Kf2 Rd2+ 37. Kf3 Rxc2 38. a4 Rc3+ 39. Kf4 Rxb3 40. Rxf7 Rb4+ 41. Kf5 Rxa4 42. Rxb7 Ra2 43. Ne3 Rf2+ 44. Ke4 Re8+ 45. Kd4 Ra8 46. h4 a5 47. Rb1 Ra2 48. Kc3 a4 49. Nc2 Rc8+ 50. Kd3 Raxc2 51. Ra1 R8c3+ 52. Kd4 a3 53. Kd5 a2 54. Kd4 Rb3 55. Re1 Rb1 56. Re8+ Kg7 57. Re7+ Kf8 58. Rxh7 a1Q+ 0-1

