[Event "Moscow Aeroflot op-A"]
[Site "Moscow"]
[Date "2024.03.07"]
[Round "9"]
[White "Sek, Konstantin"]
[Black "Charochkina, Daria"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2400"]
[BlackElo "2298"]
[PlyCount "55"]
[EventDate "2024.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. b4 Qxb4+ 8. Nd2 e6 9. Rb1 Qe7 10. c4 b6 11. Ne2 Nh6 12. Ng3 g6 13. Nf3 Qd7 14. 0-0 Be7 15. Ng5 Nf5 16. cxd5 cxd5 17. Nxf5 gxf5 18. Bd2 Nc6 19. Rfc1 Nd8 20. Qa6 Rb8 21. a4 f6 22. exf6 Bxf6 23. Bf4 Rb7 24. a5 bxa5 25. Rxb7 Qxb7 26. Qe2 Bxg5 27. hxg5 0-0 28. g6 1-0

[Event "Moscow Aeroflot op-A"]
[Site "Moscow"]
[Date "2024.03.06"]
[Round "8"]
[White "Ahmad, Khagan"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "D33"]
[WhiteElo "2323"]
[BlackElo "2400"]
[PlyCount "102"]
[EventDate "2024.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 d5 5. cxd5 exd5 6. d4 Nc6 7. Bg2 cxd4 8. Nxd4 Bc5 9. Nb3 Bb6 10. 0-0 d4 11. Na4 0-0 12. Nxb6 axb6 13. Bg5 h6 14. Bxf6 Qxf6 15. Bxc6 bxc6 16. Qxd4 Qd8 17. Rfd1 Be6 18. Qc3 Qc8 19. Rd6 Qb8 20. Rad1 Bd5 21. Rd7 Qe8 22. Rc7 Qxe2 23. Re1 Qg4 24. Nd4 Rfe8 25. Rce7 Rxe7 26. Rxe7 Rxa2 27. f3 Qg6 28. Re1 Qf6 29. f4 Kh7 30. Qd3+ g6 31. Qc3 Ra4 32. Nb5 Qd8 33. b3 Re4 34. Rxe4 Bxe4 35. Nd4 c5 36. Ne2 Qd1+ 37. Kf2 Bd3 38. Nc1 Qf1+ 39. Ke3 Bb5 40. Ke4 Qd1 41. Ke3 Qg1+ 42. Ke4 Qg2+ 43. Ke3 Qxh2 44. Qf6 Qxg3+ 45. Kd2 Qf2+ 46. Kc3 Qe3+ 47. Kc2 Qe4+ 48. Kc3 Qe6 49. Qd8 h5 50. f5 Qxf5 51. Qxb6 Bf1 0-1

[Event "Moscow Aeroflot op-A"]
[Site "Moscow"]
[Date "2024.03.06"]
[Round "7"]
[White "Sek, Konstantin"]
[Black "Bazeev, German"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2400"]
[BlackElo "2369"]
[PlyCount "155"]
[EventDate "2024.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 dxc6 7. a4 a5 8. Na3 Qc7 9. Nc4 Ne7 10. d3 b6 11. Be3 Be6 12. Qd2 Bxc4 13. dxc4 Rd8 14. Qe2 Nc8 15. c3 Nd6 16. Nd2 Nb7 17. Rad1 f6 18. Nf1 0-0 19. g3 Rfe8 20. h4 Qf7 21. b3 Nd6 22. f3 f5 23. Bf2 h5 24. Rd3 f4 25. Red1 Qe6 26. Kg2 fxg3 27. Bxg3 Bf6 28. Ne3 Kh7 29. Kh2 Qe7 30. Ng2 Bg7 31. Qd2 Bh6 32. Qe2 Nf7 33. Rxd8 Rxd8 34. Rd3 Kg7 35. Qd1 Rxd3 36. Qxd3 Kf6 37. Qf1 Bd2 38. f4 Bxc3 39. f5 Nh6 40. Qc1 Ng4+ 41. Kh1 Qd6 42. Qxc3 Qd1+ 43. Ne1 gxf5 44. exf5 Kxf5 45. Qb2 Qd4 46. Qc1 Qe4+ 47. Ng2 Qf3 48. Qe1 e4 49. Kg1 Qxb3 50. Bf2 Ne5 51. Ne3+ Ke6 52. Kg2 Nd3 53. Qh1 Nf4+ 54. Kg3 Ne2+ 55. Kh2 Qd3 56. Qg2 Qd6+ 57. Kh1 Qf4 58. Qg6+ Kd7 59. Kg2 Qf3+ 60. Kf1 Nd4 61. Kg1 Ne2+ 62. Kf1 Kc7 63. Nf5 Qd3 64. Qf7+ Kb8 65. Ne3 Nf4+ 66. Kg1 Qd6 67. Qe8+ Kb7 68. Qxe4 Qg6+ 69. Qxg6 Nxg6 70. Nf5 Ka6 71. Nd6 Ne5 72. Be1 Nf3+ 73. Kf1 Nd4 74. Bc3 Nf3 75. Bf6 Nh2+ 76. Ke2 Ng4 77. Bg7 Ka7 78. Kf3 1-0

[Event "Moscow Aeroflot op-A"]
[Site "Moscow"]
[Date "2024.03.05"]
[Round "5"]
[White "Sek, Konstantin"]
[Black "Murtazin, Bulat"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2400"]
[BlackElo "2312"]
[PlyCount "53"]
[EventDate "2024.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. b4 Qxb4+ 8. Nd2 e6 9. Rb1 Qe7 10. c4 Qc7 11. Ne2 Nd7 12. 0-0 Nb6 13. cxd5 Nxd5 14. Ne4 a5 15. Nf4 Nxf4 16. Bxf4 Nh6 17. Rfc1 Nf5 18. d5 exd5 19. Nf6+ gxf6 20. Qxf5 Qc8 21. Qxf6 Rh7 22. e6 Be7 23. Qf5 Rg7 24. Re1 Kd8 25. Qxh5 Rg8 26. exf7 Rf8 27. Rxe7 1-0

[Event "Moscow Aeroflot op-A"]
[Site "Moscow"]
[Date "2024.03.05"]
[Round "6"]
[White "Yatzenko, Anton"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2308"]
[BlackElo "2400"]
[PlyCount "43"]
[EventDate "2024.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 0-0 7. Be3 e6 8. Nf3 exd5 9. cxd5 b5 10. e5 dxe5 11. Bxc5 Re8 12. Bxb5 Nbd7 13. Ba3 e4 14. Nd4 Nh5 15. 0-0 Qf6 16. Bc6 Rb8 17. Ndb5 Nf4 18. Nd6 Qg5 19. g3 Bxc3 20. bxc3 e3 21. Qf3 e2 22. Qxf4 1-0

[Event "Moscow Aeroflot op-A"]
[Site "Moscow"]
[Date "2024.03.04"]
[Round "4"]
[White "Popov, Maksim"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "C72"]
[BlackElo "2400"]
[PlyCount "147"]
[EventDate "2024.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4 Nf6 6. Nc3 Be7 7. d4 exd4 8. Nxd4 Bd7 9. 0-0 0-0 10. Bxc6 bxc6 11. h3 c5 12. Nde2 Rb8 13. Qc2 Be6 14. b3 Nd7 15. Be3 Ne5 16. f4 Nc6 17. Rad1 Bd7 18. Nd5 f5 19. e5 dxe5 20. fxe5 Nxe5 21. Ng3 g6 22. Nxe7+ Qxe7 23. Qf2 Rfe8 24. Bxc5 Qg5 25. Ne2 Bc6 26. Nd4 Be4 27. Ba3 Rbd8 28. Bc1 Qh5 29. Ne2 Rxd1 30. Rxd1 Nd3 31. Qf1 f4 32. Nc3 Qc5+ 33. Kh2 Nxc1 34. Rxc1 Qe3 35. Nxe4 Rxe4 36. Rd1 Qg3+ 37. Kg1 Kg7 38. Qf2 g5 39. Kf1 Qc3 40. Qc5 Qf6 41. Qxc7+ Re7 42. Qd6 Re6 43. Qd4 Re5 44. Kf2 Kh6 45. Qd8 Qf5 46. Qd3 Qf7 47. Qd7 Re7 48. Rd6+ Kg7 49. Qg4 h6 50. Qd1 h5 51. Qd4+ Kh7 52. Qd3+ Kh8 53. Rd8+ Re8 54. Qd4+ Kh7 55. Rxe8 Qxe8 56. Kf3 Qc8 57. Qe4+ Kh6 58. Ke2 Qd7 59. Qe5 Qc6 60. Kf2 Qd7 61. Qf6+ Kh7 62. Kg1 g4 63. Qxf4 gxh3 64. Qe4+ Kg7 65. Qe5+ Kh6 66. Qe3+ Kg6 67. Qxh3 Qd4+ 68. Kh2 Qd2 69. Qe6+ Kh7 70. Qe4+ Kh6 71. c5 Kg5 72. Qe5+ Kg4 73. c6 Qd8 74. Qg3+ 1-0

[Event "Moscow Aeroflot op-A"]
[Site "Moscow"]
[Date "2024.03.04"]
[Round "3"]
[White "Sek, Konstantin"]
[Black "Ivlev, Aleksey"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2400"]
[BlackElo "2315"]
[PlyCount "104"]
[EventDate "2024.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Bd6 7. b3 0-0 8. Bb2 Nd7 9. 0-0 f6 10. Nbd2 Re8 11. Nh4 Nf8 12. Nf5 Ne6 13. g3 Bc5 14. Kh1 g6 15. Nh6+ Kg7 16. Ng4 Nd4 17. c3 Ne6 18. f4 exf4 19. d4 Bd6 20. gxf4 Nxf4 21. c4 h5 22. Ne3 Nd3 23. Bc3 c5 24. Nf3 cxd4 25. Nxd4 Ne5 26. Nd5 Bg4 27. Qd2 Rf8 28. Qe3 Qd7 29. c5 Bxc5 30. Nxf6 Rxf6 31. Rxf6 Bxd4 32. Bxd4 Kxf6 33. Qf4+ Kg7 34. Bxe5+ Kh7 35. Rf1 Re8 36. Bxc7 Bh3 37. Re1 Re7 38. Be5 Rf7 39. Qe3 Qe6 40. Bc3 Bg4 41. Kg1 Bf3 42. Qg5 Bxe4 43. Bd2 Qh3 44. Qg3 Qf5 45. h3 Bc6 46. Be3 Qe4 47. Kh2 Qc2+ 48. Kg1 Qf5 49. Kh2 Re7 50. Rg1 Qc2+ 51. Bf2 Rf7 52. Rf1 Bb5 0-1

[Event "Moscow Aeroflot op-A"]
[Site "Moscow"]
[Date "2024.03.03"]
[Round "2"]
[White "Daneshvar, Bardiya"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2597"]
[BlackElo "2400"]
[PlyCount "77"]
[EventDate "2024.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Qxd5 Nf6 8. Qb3 Na6 9. Nf3 Nc5 10. Qc2 Rc8 11. e3 Nce4 12. Bd3 Nxc3 13. bxc3 Nd5 14. Bd2 Nb4 15. Qb1 Nxd3+ 16. Qxd3 Be6 17. Qxd8+ Rxd8 18. Nd4 Bc4 19. a4 Bc5 20. Bc1 0-0 21. Ba3 b6 22. f3 Rd7 23. Kf2 Rc8 24. Rhd1 g6 25. Bb4 a5 26. Ba3 Rdc7 27. Bxc5 Rxc5 28. Rab1 Bd5 29. Rxb6 Rxc3 30. Rb5 R8c5 31. Nf5 gxf5 32. Rxd5 Rc2+ 33. Kg3 R5c3 34. Rxf5 Rxe3 35. Rb8+ Kg7 36. Rb7 Ree2 37. Rfxf7+ Kg6 38. Rg7+ Kf6 39. Rbf7+ 1-0

[Event "Moscow Aeroflot op-A"]
[Site "Moscow"]
[Date "2024.03.03"]
[Round "1"]
[White "Sek, Konstantin"]
[Black "Nesterov, Arseniy"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2400"]
[BlackElo "2592"]
[PlyCount "51"]
[EventDate "2024.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Na5 5. Bb3 Nxb3 6. axb3 d6 7. f4 exf4 8. Bxf4 Be7 9. Nf3 0-0 10. 0-0 c6 11. h3 d5 12. Qe1 dxe4 13. dxe4 Be6 14. Kh1 h6 15. Rd1 Qb6 16. Nd4 Rad8 17. Nxe6 fxe6 18. Qe2 Rxd1 19. Rxd1 Rd8 20. Rf1 Qc5 21. e5 Nd5 22. Nxd5 Qxd5 23. Qg4 Kh7 24. Bg3 Bc5 25. Kh2 Qd7 26. b4 1/2-1/2

[Event "St Petersburg Rapid 2023"]
[Site "St Petersburg"]
[Date "2023.08.27"]
[Round "11"]
[White "Sek, Konstantin"]
[Black "Ponkratov, Pavel"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "2419"]
[BlackElo "2582"]
[PlyCount "168"]
[EventDate "2023.08.26"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. d3 0-0 6. a3 Re8 7. Bc4 Bc5 8. Be3 Nd4 9. Ng5 Rf8 10. Nd5 d6 11. b4 Bb6 12. Nxb6 axb6 13. c3 Ne6 14. Nxe6 Bxe6 15. Bxe6 fxe6 16. 0-0 Qe8 17. a4 Nh5 18. g3 Qg6 19. Kh1 Nf6 20. f3 Nd7 21. a5 b5 22. c4 bxc4 23. dxc4 Nf6 24. Qe2 d5 25. Bc5 Rfe8 26. cxd5 exd5 27. exd5 Nxd5 28. Qc4 c6 29. Rae1 h5 30. Re4 Kh7 31. Rfe1 Qf7 32. Qd3 Qf5 33. Qf1 Nf6 34. R4e3 Rad8 35. Qe2 Rd5 36. Qg2 Red8 37. g4 Qf4 38. g5 Rd2 39. R3e2 Rxe2 40. Rxe2 Rd1+ 41. Bg1 Nd5 42. g6+ Kh6 43. Qg3 h4 44. Qf2 Nf6 45. Qe3 Kxg6 46. Rg2+ Kh7 47. Qb3 Rd7 48. Qc2+ Kg8 49. a6 bxa6 50. Qxc6 Rf7 51. Qc8+ Kh7 52. Qc2+ Kh8 53. Qc8+ Ng8 54. Qh3 Qxf3 55. Qxh4+ Nh6 56. Qd8+ Kh7 57. Qg5 Qf6 58. Qg3 e4 59. h3 Nf5 60. Qg4 e3 61. Qf3 Re7 62. Re2 Qe5 63. Bh2 Qe4 64. Qxe4 Rxe4 65. Kg2 Rxb4 66. Bg1 a5 67. Ra2 a4 68. Kf3 Kg6 69. Bxe3 Rb3 70. Rxa4 Rxe3+ 71. Kf4 Re6 72. Ra5 Rf6 73. Re5 Nh6+ 74. Kg3 Ra6 75. Rb5 Kf6 76. Rb2 Nf5+ 77. Kh2 Ra3 78. Rb6+ Kg5 79. Rb2 Kh5 80. Rf2 g6 81. Rg2 Nh4 82. Rf2 Nf3+ 83. Kg3 Ng5+ 84. Kg2 Nxh3 1/2-1/2

[Event "St Petersburg Blitz 2023"]
[Site "St Petersburg"]
[Date "2023.08.25"]
[Round "5"]
[White "Karpenko, Anton"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "1936"]
[BlackElo "2400"]
[PlyCount "82"]
[EventDate "2023.08.25"]
[EventType "game (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[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 d6 4. Nc3 g6 5. g3 e6 6. Bg2 exd5 7. cxd5 Bg7 8. Nf3 0-0 9. 0-0 Nbd7 10. Bf4 Qe7 11. Nd2 Nh5 12. Be3 f5 13. Nc4 Ne5 14. Nxe5 Bxe5 15. Bh6 Rf7 16. Qd2 Bd7 17. a4 Re8 18. Rae1 a6 19. a5 Bb5 20. Bg5 Qc7 21. Nxb5 axb5 22. f4 Bf6 23. e4 Bd4+ 24. Kh1 fxe4 25. Bxe4 Nf6 26. Bg2 Rfe7 27. Bh3 Ne4 28. Qc1 Nf2+ 29. Kg2 Re2 30. Rxe2 Rxe2 31. Kf3 Rxb2 32. Be6+ Kg7 33. f5 Qxa5 34. Bh6+ Kh8 35. Qe1 Qa3+ 36. Kf4 Nd3+ 37. Kg5 Nxe1 38. fxg6 Qe3+ 39. Kh5 hxg6+ 40. Kxg6 Qd3+ 41. Bf5 Qxf1 0-1

[Event "St Petersburg Blitz 2023"]
[Site "St Petersburg"]
[Date "2023.08.25"]
[Round "6"]
[White "Sek, Konstantin"]
[Black "Ponkratov, Pavel"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2400"]
[BlackElo "2595"]
[PlyCount "58"]
[EventDate "2023.08.25"]
[EventType "game (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 a6 6. Bf1 d5 7. exd5 Nxd5 8. d4 Nf6 9. Be3 cxd4 10. Nxd4 Bd7 11. c4 Qc7 12. Nc3 Rd8 13. Nd5 Qa5 14. Nxc6 Bxc6 15. Bb6 Qxb6 16. Nxb6 Rxd1 17. Rexd1 Bc5 18. Nd5 exd5 19. cxd5 Bd7 20. b4 Bd6 21. Re1+ Kd8 22. b5 axb5 23. Rab1 b4 24. a3 bxa3 25. Rxb7 Re8 26. Rc1 Re4 27. Ra7 Ra4 28. Rxa4 Bxa4 29. Bc4 Ne4 0-1

[Event "St Petersburg Blitz 2023"]
[Site "St Petersburg"]
[Date "2023.08.25"]
[Round "8"]
[White "Sek, Konstantin"]
[Black "Tyurin, Artem"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2400"]
[BlackElo "2302"]
[PlyCount "89"]
[EventDate "2023.08.25"]
[EventType "game (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 cxd4 5. cxd4 dxe4 6. Nxe4 Bd7 7. Nf3 Bc6 8. Bd3 Bb4+ 9. Nc3 Nf6 10. 0-0 0-0 11. Ne5 h6 12. a3 Bd6 13. Re1 Nbd7 14. Nxc6 bxc6 15. Qf3 Nd5 16. Ne4 N7f6 17. Nxd6 Qxd6 18. Bd2 Rab8 19. b4 Rfd8 20. Rac1 Ne7 21. Bf4 Qxd4 22. Bxb8 Rxb8 23. Red1 Qb2 24. Rc2 Qe5 25. Re2 Qc7 26. g3 Ned5 27. Rc2 Qb6 28. Rdc1 Ne7 29. Be4 a5 30. bxa5 Qxa5 31. Bxc6 Nf5 32. Be4 Nd6 33. Bd3 e5 34. Qc6 Rd8 35. Qc7 Qa8 36. a4 e4 37. Bf1 Rd7 38. Qc6 Qe8 39. Rc3 Qe5 40. Rc5 Qd4 41. R5c3 Qe5 42. Qc5 Nd5 43. Rb3 Re7 44. Rd1 Nf6 45. Qxe5 1-0

[Event "St Petersburg Blitz 2023"]
[Site "St Petersburg"]
[Date "2023.08.25"]
[Round "9"]
[White "Strybuk, Artsiom I"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2420"]
[BlackElo "2400"]
[PlyCount "69"]
[EventDate "2023.08.25"]
[EventType "game (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[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 d6 4. Nc3 g6 5. g3 e6 6. Bg2 exd5 7. cxd5 Bg7 8. Nf3 0-0 9. 0-0 Nbd7 10. Bf4 Qe7 11. Re1 Nh5 12. Bg5 f6 13. Bd2 Ne5 14. e4 Bg4 15. h3 Nxf3+ 16. Bxf3 Bxh3 17. Bxh5 gxh5 18. Qxh5 Bd7 19. Kg2 Be8 20. Qh4 Bg6 21. f4 b5 22. f5 Be8 23. Rh1 h5 24. Rae1 Bf7 25. Ne2 b4 26. Nf4 Qe5 27. Nxh5 Bxh5 28. Qxh5 Qxb2 29. Re2 Rf7 30. Bf4 Qd4 31. Qh7+ Kf8 32. Bxd6+ Ke8 33. Qg8+ Bf8 34. Bxf8 Qc4 35. Bxc5+ 1-0

[Event "St Petersburg Blitz 2023"]
[Site "St Petersburg"]
[Date "2023.08.25"]
[Round "11"]
[White "Voinikonis, Nikita"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2126"]
[BlackElo "2400"]
[PlyCount "66"]
[EventDate "2023.08.25"]
[EventType "game (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. e3 d5 5. Nc3 Nc6 6. cxd5 exd5 7. Be2 a6 8. dxc5 Bxc5 9. 0-0 0-0 10. b3 Re8 11. Bb2 Bd6 12. Rc1 Bc7 13. Na4 Ne4 14. Nd4 Qd6 15. g3 Bh3 16. Re1 Qh6 17. Nxc6 bxc6 18. Nc5 Nxf2 19. Qd2 Bf5 20. Bf3 Nh3+ 21. Kg2 Ng5 22. h4 Nxf3 23. Kxf3 Qg6 24. Rg1 Bg4+ 25. Kg2 Bf5 26. Kf2 Re7 27. g4 Bxg4 28. Qd4 h5 29. Nd3 Re4 30. Qc3 Rae8 31. Rce1 Qf5+ 32. Nf4 d4 33. Qxc6 dxe3+ 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.24"]
[Round "9"]
[White "Sek, Konstantin"]
[Black "Denisov, Matvey"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2419"]
[BlackElo "2016"]
[PlyCount "81"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Bg5 13. Be2 Ne7 14. Nxe7+ Qxe7 15. Nb4 a5 16. Nd5 Qb7 17. Qd3 b4 18. 0-0 Be6 19. Rfd1 Rfc8 20. cxb4 Bxd5 21. Qxd5 Qxd5 22. Rxd5 axb4 23. Bd1 Bc1 24. Rxd6 Bxb2 25. Rb1 Rd8 26. Rxd8+ Rxd8 27. Bb3 Rd2 28. Rd1 Rxd1+ 29. Bxd1 Bd4 30. Kf1 Kf8 31. Ke2 Ke7 32. f3 Kd6 33. Kd3 Kc5 34. Bb3 f6 35. Bg8 Bg1 36. Bxh7 Bxh2 37. Bg8 Bg1 38. Bb3 Bd4 39. Bg8 Bg1 40. Bb3 Bd4 41. Bg8 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.23"]
[Round "8"]
[White "Gorlov, Artem"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2138"]
[BlackElo "2419"]
[PlyCount "76"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[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 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Qxd5 Nf6 8. Qd1 Bc5 9. e3 0-0 10. Nf3 Qe7 11. Be2 Rd8 12. 0-0 Nc6 13. a3 Bf5 14. Qa4 a6 15. Qh4 h6 16. b4 Bd6 17. Bb2 Ne5 18. e4 Be6 19. Rad1 Ng6 20. Nd5 Nxd5 21. Qxe7 Ndxe7 22. Nd4 Nf4 23. Rfe1 Nxe2+ 24. Rxe2 Be5 25. Red2 Bxd4 26. Bxd4 Rac8 27. f4 Bb3 28. Bb6 Re8 29. Rf1 Rc6 30. Be3 Nf5 31. Rf3 Rxe4 32. Bc5 Bc4 33. g3 b6 34. Bf2 Bb5 35. h3 Rc1+ 36. Kh2 Bc6 37. Rd8+ Kh7 38. Rc8 Rec4 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.22"]
[Round "7"]
[White "Sek, Konstantin"]
[Black "Strokin, Danil"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2419"]
[BlackElo "1955"]
[PlyCount "105"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 cxd4 5. cxd4 dxe4 6. Nxe4 Bd7 7. Nf3 Bc6 8. Bd3 Nd7 9. 0-0 Ngf6 10. Nc3 Be7 11. Re1 0-0 12. a3 Qc7 13. Bg5 h6 14. Bh4 Rfe8 15. Rc1 Qb6 16. b4 a5 17. bxa5 Qxa5 18. Nb1 Bxa3 19. Nxa3 Qxa3 20. h3 Rec8 21. Qe2 Qa2 22. Rc2 Qd5 23. Rec1 Ra3 24. Bg3 Rca8 25. Qf1 Ne4 26. Bf4 g5 27. Bc7 Kg7 28. Qe2 h5 29. Rxc6 Rxd3 30. Qxd3 bxc6 31. Re1 f5 32. Qe3 g4 33. Ng5 Kg6 34. Nxe4 Qxe4 35. Qc1 Qd5 36. h4 f4 37. Bxf4 Rf8 38. Qe3 Qf5 39. Bg3 Rf6 40. Rc1 Qd5 41. Qc3 Rf7 42. Kh2 Nf6 43. Re1 Nd7 44. Qe3 Rf6 45. Ra1 Rf7 46. Ra8 Rf8 47. Ra6 Rf5 48. Qa3 c5 49. Rd6 Qb7 50. Rxe6+ Kf7 51. Qe3 cxd4 52. Re7+ Kg6 53. Qe6+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "6"]
[White "Samoilov, Andrey"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A69"]
[WhiteElo "1936"]
[BlackElo "2419"]
[PlyCount "88"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[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. Nf3 g6 7. Nd2 Bg7 8. e4 0-0 9. Be2 Nbd7 10. 0-0 Re8 11. f4 a6 12. a4 c4 13. e5 dxe5 14. Nxc4 exf4 15. Bxf4 Ne4 16. Nxe4 Rxe4 17. Bd3 Rd4 18. Qe2 Rxd5 19. Rad1 Nc5 20. Bxg6 hxg6 21. Rxd5 Qxd5 22. Nb6 Qd8 23. Nxa8 Bf5 24. Be3 Nxa4 25. Qd1 Qe8 26. Bd4 Nxb2 27. Bxb2 Bxb2 28. Nc7 Qf8 29. Nd5 Be5 30. Re1 Qd6 31. h3 a5 32. Kh1 Kg7 33. Ne3 Be6 34. Qxd6 Bxd6 35. Rb1 Bc5 36. Nd1 b6 37. Nc3 Bb4 38. Rc1 Kf6 39. Kg1 Ke5 40. Kf2 Bc4 41. Na4 b5 42. Nb2 Kd4 43. Nxc4 bxc4 44. Ke2 c3 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "5"]
[White "Sek, Konstantin"]
[Black "Strizhnev, Ivan"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2419"]
[BlackElo "1748"]
[PlyCount "73"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. g3 Nf6 5. Bg2 0-0 6. Nge2 c5 7. d5 Na6 8. 0-0 Nc7 9. a4 e6 10. dxe6 Bxe6 11. Bf4 Nfe8 12. Qd2 Qd7 13. Rfd1 Rd8 14. Bg5 Nf6 15. Qf4 Nh5 16. Qe3 Rb8 17. Bf3 b5 18. Bxh5 b4 19. Nb5 Nxb5 20. axb5 gxh5 21. Bh6 Bxb2 22. Rab1 Bf6 23. Nf4 Qe7 24. Nxh5 Be5 25. Bxf8 Qxf8 26. f4 Bc3 27. e5 dxe5 28. fxe5 Kh8 29. Qf4 Qe7 30. Nf6 c4 31. Qe4 Qc5+ 32. Kg2 Kg7 33. Qxh7+ Kf8 34. Qg8+ Ke7 35. Qxb8 Bc8 36. Qd6+ Qxd6 37. exd6+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.20"]
[Round "4"]
[White "Simbelov, Roman T"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1948"]
[BlackElo "2419"]
[PlyCount "105"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. 0-0 d6 6. c3 g5 7. Na3 Bg7 8. Bb3 Nh5 9. Nc4 Nf4 10. d4 Qf6 11. dxe5 dxe5 12. Ne3 0-0 13. Ne1 Rd8 14. Qf3 Ne7 15. g3 Nh3+ 16. Kh1 Qg6 17. Bc2 Qa6 18. Kg2 Ng6 19. Nf5 Nhf4+ 20. Bxf4 exf4 21. Qh5 Bd7 22. a4 Be6 23. Nf3 Qe2 24. Rac1 fxg3 25. hxg3 Ne5 26. Rfe1 Qxf3+ 27. Qxf3 Nxf3 28. Kxf3 Rd2 29. Ke3 Rd7 30. Red1 Bf8 31. Rxd7 Bxd7 32. Rd1 Bxf5 33. exf5 Kg7 34. Rd7 Bd6 35. Bb3 Rf8 36. g4 Kf6 37. Kd4 a5 38. Bd5 b6 39. f3 Bg3 40. b4 Bd6 41. Kc4 Be5 42. Kd3 Bd6 43. Kd4 Be5+ 44. Kd3 Bd6 45. bxa5 bxa5 46. Kc4 Be5 47. Kd3 Bd6 48. c4 Ke5 49. Bxf7 c5 50. Bd5 Rb8 51. f6 Bf8 52. f7 Rb3+ 53. Kc2 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "2"]
[White "Artamonov, Valery"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2001"]
[BlackElo "2419"]
[PlyCount "91"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. 0-0 e5 8. a3 f6 9. Rb1 Be7 10. b4 Bf5 11. d3 cxb4 12. axb4 b5 13. Nh4 Bd7 14. Nd5 Nxd5 15. Bxd5 Nxb4 16. Bxa8 Qxa8 17. e4 g6 18. Bh6 a5 19. Qd2 Qa7 20. Rfc1 Kf7 21. Be3 Qb8 22. f4 Rd8 23. fxe5 Qxe5 24. Nf3 Qh5 25. Nd4 Bd6 26. Nb3 Nc6 27. Rxc6 Bxc6 28. Nxa5 Ba8 29. Rc1 Kg7 30. Nb3 Re8 31. Qf2 Qg4 32. Bd4 Qe6 33. Ra1 Rf8 34. Ra7+ Kg8 35. Nc5 Bxc5 36. Bxc5 Rc8 37. Re7 Qa6 38. d4 Qa1+ 39. Kg2 f5 40. d5 Qf6 41. g4 Qg5 42. h3 h5 43. Qb2 Qh6 44. Qf6 Bxd5 45. exd5 Qd2+ 46. Bf2 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "3"]
[White "Sek, Konstantin"]
[Black "Komissarova, Soigina"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2419"]
[BlackElo "1770"]
[PlyCount "65"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 dxc6 7. a4 a5 8. Na3 Qc7 9. d3 Ne7 10. Be3 b6 11. h3 0-0 12. Qd2 Rd8 13. Bh6 f6 14. Bxg7 Kxg7 15. Qe3 Ba6 16. Rad1 Rd6 17. h4 h5 18. Nh2 Rad8 19. b3 Rd4 20. Rf1 b5 21. Nf3 b4 22. Nc4 Bxc4 23. bxc4 R4d7 24. Qxc5 Qa7 25. Qxa7 Rxa7 26. Nd2 g5 27. hxg5 fxg5 28. c5 Ng6 29. Nc4 Kf6 30. g3 Ke6 31. Kg2 h4 32. Rh1 Kf6 33. Kf3 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.18"]
[Round "1"]
[White "Sek, Konstantin"]
[Black "Dneprov, Andrey"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2419"]
[BlackElo "1763"]
[PlyCount "63"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 g6 5. Nc3 Bg7 6. Nxd5 Be6 7. Qb3 Bxd5 8. cxd5 Nd7 9. Nf3 Qb6 10. Bb5 Ngf6 11. 0-0 0-0 12. Re1 Qd6 13. Bd2 Nxd5 14. a4 a6 15. Bc4 N7b6 16. Bf1 e6 17. Ne5 Rfd8 18. Rac1 Nd7 19. Bg5 Re8 20. Nc4 Qb8 21. Ne3 Nxe3 22. fxe3 b6 23. Bc4 Qd6 24. Rf1 Rf8 25. Rc2 h6 26. Bh4 Ra7 27. Rcf2 Raa8 28. Qd3 a5 29. Qe4 Rac8 30. Ba6 Rce8 31. Bb5 e5 32. Bc4 1-0

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.29"]
[Round "9"]
[White "Ly, Moulthun"]
[Black "Sek, Konstantin"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2469"]
[BlackElo "2392"]
[PlyCount "46"]
[EventDate "2023.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. e3 d5 5. d4 Nc6 6. cxd5 exd5 7. Bb5 cxd4 8. Nxd4 Bd7 9. 0-0 Bd6 10. Nf3 Be6 11. b3 0-0 12. Bb2 a6 13. Bd3 Bg4 14. h3 Bh5 15. Be2 Bc7 16. Nh4 Qd6 17. g3 Bxe2 18. Nxe2 Qe6 19. Bxf6 Qxf6 20. Qxd5 g6 21. Rad1 Rad8 22. Qf3 Qb2 23. Nc1 Rxd1 1/2-1/2

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.28"]
[Round "8"]
[White "Sek, Konstantin"]
[Black "Najdin, Danil"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2392"]
[BlackElo "2197"]
[PlyCount "109"]
[EventDate "2023.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Bb5 Bg7 8. 0-0 Nc7 9. Bxc6 dxc6 10. Qh4 Bf5 11. Bh6 Bxh6 12. Qxh6 Ne6 13. Nc3 Qb6 14. Rad1 Qxb2 15. Qe3 Qb6 16. Qh6 Qc5 17. Ne2 Rd8 18. h3 Rxd1 19. Rxd1 Qxc2 20. Rd2 Qb1+ 21. Kh2 Qe4 22. Kg1 c5 23. Kh1 a6 24. a3 b5 25. Kg1 c4 26. Kh1 f6 27. exf6 exf6 28. Ng3 Qf4 29. Nxf5 Qxf5 30. Qe3 0-0 31. g4 Qb1+ 32. Kg2 Re8 33. Rd6 Ng7 34. Qa7 Qe4 35. Rd7 Ne6 36. Rxh7 Rf8 37. Re7 Qd5 38. h4 c3 39. Qe3 Ng7 40. Qxc3 g5 41. hxg5 Ne6 42. gxf6 Nf4+ 43. Kh2 Qd6 44. Qe5 Qxf6 45. Qxf6 Rxf6 46. Nd4 Ng6 47. Re2 Rf4 48. Nf5 Rf3 49. Re6 Kf7 50. Rxg6 Kxg6 51. Nh4+ Kg5 52. Nxf3+ Kxg4 53. Kg2 Kf4 54. Nd4 Ke4 55. Nc6 1-0

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.27"]
[Round "7"]
[White "Dungca, Ryan"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2165"]
[BlackElo "2392"]
[PlyCount "102"]
[EventDate "2023.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 d5 6. c3 Qb6 7. Rb1 Nh5 8. Bg5 h6 9. Bh4 g5 10. Ne5 Nxe5 11. Qxh5 gxh4 12. Qxe5 Rg8 13. Nf3 Bd7 14. Qh5 cxd4 15. exd4 0-0-0 16. Qxh4 Qa5 17. Qf4 Qxa2 18. Qc1 Qa5 19. g3 f6 20. Be2 e5 21. 0-0 e4 22. Nh4 Rg5 23. c4 dxc4 24. Ra1 Qb6 25. Bxc4 Kb8 26. Qe3 f5 27. Ng2 Bc8 28. Rfd1 Bg7 29. Qf4+ Qd6 30. Qxd6+ Rxd6 31. h4 Rg4 32. Be2 Rgg6 33. Nf4 Rgf6 34. Rd2 Rf7 35. Rad1 Rc7 36. Ng2 a6 37. Ne3 b5 38. Bf1 Bf6 39. Bg2 h5 40. Bf1 Bg7 41. Ng2 Bh6 42. Ne3 Rg7 43. Kh1 Bxe3 44. fxe3 Rxg3 45. Re1 Rdg6 46. Kh2 R3g4 47. Bh3 Rxh4 48. Rg2 Rgg4 49. Rh1 f4 50. exf4 Rxf4 51. Kg3 Bxh3 0-1

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.27"]
[Round "6"]
[White "Sek, Konstantin"]
[Black "Shkapenko, Pavel"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2392"]
[BlackElo "2417"]
[PlyCount "56"]
[EventDate "2023.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. 0-0 0-0 6. d4 Bb6 7. dxe5 Nxe4 8. Qd5 Nc5 9. Na3 d6 10. exd6 Be6 11. Qh5 Qxd6 12. Be3 Ne4 13. Rad1 Qe7 14. Bxc6 bxc6 15. Qe5 Nc5 16. Rfe1 Rfe8 17. c4 Qf8 18. Qf4 Na4 19. Bc1 Rad8 20. Ng5 Bc8 21. Rf1 Qe7 22. Rxd8 Rxd8 23. Nf3 Qe2 24. Bd2 Nxb2 25. c5 Bxc5 26. Nc2 Be6 27. Qg3 Nd1 28. Bh6 Qxf2+ 0-1

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.26"]
[Round "5"]
[White "Badmatsyrenov, Oleg"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2440"]
[BlackElo "2392"]
[PlyCount "76"]
[EventDate "2023.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. Nf3 d6 5. d4 exd4 6. Nxd4 0-0 7. 0-0 Nc6 8. Nxc6 bxc6 9. Bg5 h6 10. Bh4 Re8 11. Kh1 g5 12. Bg3 Nxe4 13. Nxe4 Rxe4 14. Bd3 Re8 15. Qh5 Qf6 16. f4 Be6 17. h4 gxh4 18. Bxh4 Qg7 19. Bf2 Bd5 20. Qh3 Bxf2 21. Rxf2 Qxb2 22. Raf1 Qf6 23. Kh2 Re7 24. f5 Rae8 25. Rf4 Re3 26. Qh5 Kh7 27. Rg4 R8e5 28. Rff4 c5 29. Qh4 Qxh4+ 30. Rxh4 f6 31. Ra4 Re7 32. Rhg4 h5 33. Rh4 Kh6 34. g4 Bf7 35. gxh5 d5 36. Bf1 d4 37. Rg4 c6 38. Bd3 Bd5 0-1

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.24"]
[Round "3"]
[White "Sek, Konstantin"]
[Black "Vijayakumar, Rishi"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2392"]
[BlackElo "1938"]
[PlyCount "81"]
[EventDate "2023.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nc6 7. Bb5 e6 8. 0-0 Be7 9. d4 0-0 10. Re1 a6 11. Bd3 Bf6 12. Be4 h6 13. a3 b5 14. Bc2 Nce7 15. Ne4 Ng6 16. Nc5 Qb6 17. b4 Nde7 18. Ne5 Rd8 19. Qf3 Ra7 20. Be3 Bb7 21. Qg3 Bd5 22. Nxg6 Nxg6 23. Bxg6 fxg6 24. Qxg6 Qc6 25. Rac1 Qe8 26. Qg4 Re7 27. Nxa6 Qf7 28. Nc5 g5 29. Ne4 Bg7 30. Ng3 Rf8 31. Rc5 e5 32. Nf5 Qxf5 33. Qxf5 Rxf5 34. Rxd5 Rff7 35. dxe5 Rxe5 36. Rxe5 Bxe5 37. Bxg5 Bxh2+ 38. Kxh2 hxg5 39. Re5 Rxf2 40. Rxg5+ Kf7 41. Rxb5 1-0

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.23"]
[Round "1"]
[White "Sek, Konstantin"]
[Black "Lee, Ryan"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2392"]
[BlackElo "1582"]
[PlyCount "89"]
[EventDate "2023.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 Nc7 8. Bxc6 dxc6 9. h3 0-0 10. d3 Nd5 11. Ne4 b6 12. a4 a5 13. Bd2 Ba6 14. b3 Qc7 15. Qc1 f6 16. Bh6 Rae8 17. Bxg7 Kxg7 18. c4 Nb4 19. Qc3 Rd8 20. exf6+ exf6 21. d4 cxd4 22. Nxd4 Rxd4 23. Qxd4 Nc2 24. Qc3 Nxa1 25. Qxa1 Qe5 26. Qxe5 fxe5 27. c5 b5 28. Nd6 Kf6 29. Ne4+ Kg7 30. Ng5 Re8 31. f4 Kf6 32. Nf3 e4 33. Kf2 bxa4 34. bxa4 Bd3 35. Ne5 Rb8 36. g4 Rb2+ 37. Ke3 Ra2 38. Nxc6 Rxa4 39. Ne5 Ke6 40. c6 Ke7 41. c7 Ba6 42. Rb1 g5 43. Rb6 Bc8 44. f5 Ra3+ 45. Kxe4 1-0

[Event "Thailand op"]
[Site "Chiangmai"]
[Date "2023.07.04"]
[Round "9"]
[White "Hoang, Canh Huan"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2382"]
[BlackElo "2392"]
[PlyCount "70"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d6 3. Bb2 e5 4. d3 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 Nh5 8. Nfd2 f5 9. c4 c6 10. Nc3 Be6 11. b4 Nd7 12. b5 Rc8 13. bxc6 bxc6 14. Rb1 Rf7 15. Ba3 e4 16. Ncxe4 fxe4 17. Nxe4 Nc5 18. Bxc5 dxc5 19. Nxc5 Qe7 20. Nxe6 Qxe6 21. e3 Nf6 22. Qe2 h5 23. h3 g5 24. f4 Bh6 25. Rbe1 Qd6 26. Kh1 Re8 27. Bf3 Rfe7 28. e4 gxf4 29. Bxh5 Nxh5 30. Qxh5 fxg3 31. e5 Qxd3 32. Qxh6 Rxe5 33. Rd1 g2+ 34. Kxg2 Re2+ 35. Rf2 Rxf2+ 0-1

[Event "Thailand op"]
[Site "Chiangmai"]
[Date "2023.07.03"]
[Round "8"]
[White "Sek, Konstantin"]
[Black "Wang, Shixu B"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2392"]
[BlackElo "2413"]
[PlyCount "51"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Ngf6 5. Nc3 g6 6. 0-0 Bg7 7. a5 a6 8. Be2 0-0 9. d3 b5 10. axb6 Nxb6 11. Qd2 Bb7 12. Qf4 Ne8 13. Qh4 e5 14. Qxd8 Rxd8 15. Be3 Ra8 16. Rfb1 a5 17. Ra3 Bc6 18. b3 f5 19. Ng5 Bf6 20. Nf3 Rf7 21. Ne1 Ng7 22. Bf3 f4 23. Bd2 Rfa7 24. Nd5 Nxd5 25. exd5 Bd7 26. Be4 1/2-1/2

[Event "Thailand op"]
[Site "Chiangmai"]
[Date "2023.07.02"]
[Round "6"]
[White "Mohammad Fahad, Rahman"]
[Black "Sek, Konstantin"]
[Result "1/2-1/2"]
[ECO "A73"]
[WhiteElo "2424"]
[BlackElo "2392"]
[PlyCount "71"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[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. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 Bg7 8. e4 0-0 9. Be2 Na6 10. 0-0 Nc7 11. a4 a6 12. Re1 Rb8 13. Nc4 b5 14. axb5 axb5 15. Na5 Bd7 16. Bf3 b4 17. Nb1 Nb5 18. Nd2 h6 19. Ndc4 g5 20. e5 dxe5 21. Nxe5 Qc7 22. Nec6 Rbe8 23. Be3 Bxc6 24. Nxc6 Nd7 25. Qc2 Qd6 26. Bg4 Nd4 27. Bxd4 cxd4 28. Bxd7 Qxd7 29. Nxb4 Qb5 30. Qd2 Bf6 31. h4 Rxe1+ 32. Rxe1 Rb8 33. hxg5 hxg5 34. Nc6 Rb7 35. Nxd4 Qxd5 36. Nf3 1/2-1/2

[Event "Thailand op"]
[Site "Chiangmai"]
[Date "2023.07.02"]
[Round "7"]
[White "Sek, Konstantin"]
[Black "Kulpruethanon, Thanadon"]
[Result "1-0"]
[ECO "C85"]
[WhiteElo "2392"]
[BlackElo "2230"]
[PlyCount "69"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Qd6 8. h3 h6 9. Nc3 c5 10. Be3 Qe6 11. Nh4 Qc6 12. f4 exf4 13. Bxf4 Be6 14. Bg3 0-0-0 15. Qf3 Rdg8 16. Nf5 Bd8 17. d4 cxd4 18. Nxd4 Qc4 19. Rad1 Be7 20. b3 Qc5 21. Na4 Qa5 22. e5 Nd7 23. Kh2 Bd5 24. Qe3 Bg5 25. Qe2 b5 26. Be1 b4 27. a3 Bb7 28. Rf5 Re8 29. e6 Ne5 30. axb4 Qd5 31. Rxe5 Bf4+ 32. Bg3 Bxe5 33. Bxe5 fxe6 34. Nc5 Rd8 35. c4 1-0

[Event "Thailand op"]
[Site "Chiangmai"]
[Date "2023.07.01"]
[Round "5"]
[White "Sek, Konstantin"]
[Black "Castellano, Christopher"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2392"]
[BlackElo "2213"]
[PlyCount "86"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 Nd7 6. 0-0-0 b5 7. h4 Bb7 8. a3 Rc8 9. Kb1 c5 10. dxc5 Nxc5 11. f3 h5 12. Nge2 Ne6 13. g3 Nf6 14. Bh3 Nd7 15. Bxe6 fxe6 16. Nd4 Kf7 17. g4 Ne5 18. gxh5 Rxh5 19. Qg2 Rxc3 20. bxc3 Bf6 21. Bc1 Nd7 22. Rhg1 Nf8 23. Bg5 Qc7 24. Rd3 Bh8 25. Ne2 e5 26. Ng3 Rh7 27. h5 Bc8 28. hxg6+ Nxg6 29. Nf5 Bxf5 30. exf5 Nf8 31. Rh1 Qd7 32. Rxh7+ Nxh7 33. Qh3 Nxg5 34. Qh5+ Kg8 35. Qxg5+ Kf8 36. f4 exf4 37. Qxf4 Bf6 38. Qe4 Qc8 39. Qd5 Ke8 40. Rg3 Kd7 41. Rg8 Qc4 42. Qb7+ Qc7 43. Qxa6 d5 1-0

[Event "Thailand op"]
[Site "Chiangmai"]
[Date "2023.06.30"]
[Round "4"]
[White "Chernyavsky, Alexander"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2359"]
[BlackElo "2392"]
[PlyCount "80"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 0-0 10. Nf3 Na6 11. 0-0 Nb4 12. Be3 a6 13. Be2 Re8 14. Bf2 f5 15. e5 dxe5 16. d6 exf4 17. Re1 Kh8 18. Qd2 h6 19. Bc4 g5 20. Rxe8+ Qxe8 21. Re1 Qf8 22. Re7 Nc6 23. Qe2 Nf6 24. Bxc5 Bd7 25. Ne5 Nxe7 26. dxe7 Qc8 27. b4 Kh7 28. Nxd7 Qxd7 29. Be6 Qc6 30. Bxf5+ Kh8 31. Ne4 Ne8 32. Qh5 b6 33. Qf7 Nc7 34. Nd6 Qxa4 35. h3 Qa1+ 36. Kh2 f3 37. Qg6 Qe5+ 38. Kh1 fxg2+ 39. Kxg2 Qd5+ 40. Be4 Qd1 1-0

[Event "Thailand op"]
[Site "Chiangmai"]
[Date "2023.06.29"]
[Round "2"]
[White "Ghosh, Diptayan"]
[Black "Sek, Konstantin"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2565"]
[BlackElo "2392"]
[PlyCount "60"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. cxd5 exd5 7. Bb5 Bd6 8. dxc5 Bxc5 9. 0-0 0-0 10. b3 Bg4 11. Bb2 Bd6 12. Be2 a6 13. h3 Be6 14. Bd3 Ne5 15. Nd4 Qd7 16. Nxe6 fxe6 17. Rc1 Qf7 18. Bb1 Rad8 19. Ne2 Bb8 20. Nd4 Rc8 21. Rxc8 Rxc8 22. Nf3 Nxf3+ 23. Qxf3 Qc7 24. g3 Rf8 25. Rc1 Qd7 26. Qe2 e5 27. Kg2 e4 28. Bxf6 Rxf6 29. Qg4 Qxg4 30. hxg4 Kf7 1/2-1/2

[Event "Thailand op"]
[Site "Chiangmai"]
[Date "2023.06.29"]
[Round "3"]
[White "Sek, Konstantin"]
[Black "Nguyen, Van Huy"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2392"]
[BlackElo "2366"]
[PlyCount "76"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nxc3 7. bxc3 g6 8. d4 Bg7 9. Bd3 0-0 10. 0-0 Nc6 11. Re1 Bg4 12. Bf4 Qa5 13. Rc1 Rad8 14. h3 Bxf3 15. Qxf3 e5 16. dxe5 Nxe5 17. Bxe5 Bxe5 18. Bc4 Qc5 19. Bb3 Rd6 20. Qxb7 Rf6 21. Rc2 Bg3 22. Rf1 Re8 23. Qd7 Rc8 24. Rd2 Kg7 25. Qg4 Bc7 26. c4 Rd8 27. Rd5 Rxd5 28. cxd5 Bb6 29. Qe2 Qd4 30. g3 g5 31. Kg2 h5 32. f3 h4 33. Rd1 Qc5 34. Qd2 hxg3 35. Rf1 Rf4 36. Rd1 Qf2+ 37. Qxf2 gxf2 38. d6 Rd4 1/2-1/2

[Event "Thailand op"]
[Site "Chiangmai"]
[Date "2023.06.28"]
[Round "1"]
[White "Sek, Konstantin"]
[Black "Zhang, Xiao"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2392"]
[BlackElo "2147"]
[PlyCount "99"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Qa4+ Nbd7 6. Nc3 g6 7. Nf3 Bg7 8. Bc4 0-0 9. d3 a6 10. Qa3 Nb6 11. Qb3 Nxc4 12. dxc4 b5 13. 0-0 bxc4 14. Qxc4 e6 15. dxe6 Bxe6 16. Qh4 Nd5 17. Bg5 Qa5 18. Bd2 Nxc3 19. bxc3 Rfd8 20. Rfd1 h5 21. Nd4 Qa4 22. Be1 Bg4 23. Rdc1 Bxd4 24. cxd4 Qxd4 25. Bc3 Qf4 26. Bf6 Rac8 27. Rf1 Rd5 28. Be7 Rc2 29. a3 Re2 30. Rfe1 Rxe1+ 31. Rxe1 Re5 32. f3 Qd4+ 33. Kh1 Bxf3 34. gxf3 Rxe1+ 35. Qxe1 Qd3 36. Kg2 Qc2+ 37. Qf2 Qf5 38. Qd2 Qe6 39. Bb4 Kh7 40. Bc3 f6 41. Qb2 Kg7 42. Qb7+ Kh6 43. Qe4 Qa2+ 44. Kh3 Qf7 45. Qc6 Kg7 46. Qxa6 Qd7+ 47. Kg2 Qf5 48. Qxf6+ Qxf6 49. Bxf6+ Kxf6 50. a4 1-0

[Event "Hanoi GM"]
[Site "Hanoi"]
[Date "2023.05.26"]
[Round "9"]
[White "Tran, Minh Thang"]
[Black "Sek, Konstantin"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2326"]
[BlackElo "2425"]
[PlyCount "74"]
[EventDate "2023.05.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nd2 Nc6 5. c3 h6 6. Ngf3 Nh5 7. Bg3 Nxg3 8. hxg3 d5 9. g4 cxd4 10. cxd4 Bd7 11. a3 g5 12. b4 Bg7 13. Rc1 0-0 14. Bd3 a6 15. Qb3 Qe7 16. Bb1 e5 17. dxe5 Nxe5 18. Qxd5 Bxg4 19. Nxe5 Qxe5 20. Qxe5 Bxe5 21. Rxh6 Rac8 22. Rc5 Rfd8 23. f3 Rxc5 24. bxc5 Be6 25. Ke2 Bb2 26. a4 Ba3 27. Ne4 Kg7 28. Rh1 Bc4+ 29. Kf2 Bb3 30. Nd6 Bxc5 31. Nf5+ Kg8 32. Be4 Rd2+ 33. Kg3 Be6 34. Rc1 b6 35. a5 Bxf5 36. Bxf5 Bd6+ 37. Kh3 bxa5 1/2-1/2

[Event "Hanoi GM"]
[Site "Hanoi"]
[Date "2023.05.25"]
[Round "8"]
[White "Sek, Konstantin"]
[Black "Pham, Tran Gia Phuc"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2425"]
[BlackElo "2323"]
[PlyCount "69"]
[EventDate "2023.05.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Rb8 12. Nc2 Bg5 13. a4 bxa4 14. Ncb4 Nxb4 15. Nxb4 Bd7 16. Bxa6 Qa5 17. Qd5 Qxd5 18. exd5 Rb6 19. 0-0 0-0 20. Bd3 Ra8 21. Ra2 Rb7 22. Rfa1 f5 23. Bc2 a3 24. Rxa3 Rxa3 25. Rxa3 Bc1 26. Ra2 e4 27. g4 g6 28. gxf5 gxf5 29. f3 e3 30. Nd3 Bd2 31. c4 Be8 32. Kf1 Bg6 33. Nf4 Kf7 34. Ke2 Kf6 35. Ng2 1/2-1/2

[Event "Hanoi GM"]
[Site "Hanoi"]
[Date "2023.05.25"]
[Round "7"]
[White "Tran, Tuan Minh"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2503"]
[BlackElo "2425"]
[PlyCount "61"]
[EventDate "2023.05.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 Bg7 8. e3 0-0 9. h3 Ne8 10. Be2 Nd7 11. 0-0 Ne5 12. Bxe5 dxe5 13. Nd2 f5 14. e4 Nd6 15. Nc4 Nxe4 16. Nxe4 fxe4 17. Bg4 Bxg4 18. hxg4 Qd7 19. Qe2 e3 20. Nxe3 e4 21. Rad1 b6 22. b4 cxb4 23. d6 Rac8 24. Rd5 Rfe8 25. Rfd1 Re6 26. g5 Rc5 27. Qg4 Kf7 28. Qh3 Rxd5 29. Rxd5 Ke8 30. Qxh7 Bf8 31. Qg8 1-0

[Event "Hanoi GM"]
[Site "Hanoi"]
[Date "2023.05.24"]
[Round "5"]
[White "Liu, Yi"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2272"]
[BlackElo "2425"]
[PlyCount "58"]
[EventDate "2023.05.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 Nc6 5. e3 Nh5 6. Bg5 Qb6 7. Qb3 h6 8. Bh4 g5 9. Bg3 Nxg3 10. hxg3 Bg7 11. Nbd2 d5 12. dxc5 Qxc5 13. e4 0-0 14. Qb5 Qe7 15. 0-0-0 Bd7 16. exd5 exd5 17. Nb3 g4 18. Nfd2 d4 19. c4 d3 20. Nc5 Nd4 21. Qxd7 Qxc5 22. Bxd3 Rad8 23. Qa4 b5 24. Qa3 b4 25. Ne4 Qb6 26. c5 Qb8 27. Qa6 Qe5 28. Qc4 Ne2+ 29. Kd2 Rd4 0-1

[Event "Hanoi GM"]
[Site "Hanoi"]
[Date "2023.05.24"]
[Round "6"]
[White "Sek, Konstantin"]
[Black "Swayams, Mishra"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "2425"]
[BlackElo "2486"]
[PlyCount "104"]
[EventDate "2023.05.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. Bxc6 dxc6 7. d3 Re8 8. Ne2 a5 9. a4 Nd7 10. Kh1 Nf8 11. Nfg1 Ng6 12. Be3 Bd6 13. Qd2 c5 14. b3 b6 15. f3 Bd7 16. Rf2 Bc6 17. Ng3 Bd7 18. N1e2 Nf4 19. Nxf4 exf4 20. Bxf4 Qf6 21. Bxd6 Qxa1+ 22. Rf1 Qf6 23. Bxc7 Qc6 24. Bf4 b5 25. axb5 Qxb5 26. Ne2 a4 27. Nc3 Qb4 28. bxa4 Bxa4 29. h3 Qb2 30. Rc1 Bc6 31. Nd1 Qb4 32. Qxb4 cxb4 33. Bd6 Ra4 34. Ne3 Rd8 35. e5 f6 36. f4 Kf7 37. Rb1 g5 38. fxg5 fxe5 39. Bxe5 Kg6 40. Rf1 Re8 41. Rf6+ Kxg5 42. Rf5+ Kg6 43. h4 h5 44. Rf6+ Kh7 45. d4 Be4 46. Rf7+ Kh6 47. Rc7 Ra3 48. Kh2 Rxe5 49. Nc4 Re8 50. Nd6 Re6 51. Nf7+ Kg6 52. Nh8+ Kf5 0-1

[Event "Hanoi GM"]
[Site "Hanoi"]
[Date "2023.05.23"]
[Round "4"]
[White "Sek, Konstantin"]
[Black "Wong, Zhenyong Jayden"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2425"]
[BlackElo "2348"]
[PlyCount "70"]
[EventDate "2023.05.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a3 b5 8. f4 Bb7 9. Bd3 Na5 10. 0-0 Nc4 11. Bxc4 Qxc4 12. e5 Ne7 13. Qd2 Nd5 14. Nxd5 Qxd5 15. Rad1 f5 16. Qf2 Qc4 17. Nb3 Bd5 18. Rd3 b4 19. axb4 Bxb4 20. Nd4 0-0 21. b3 Qc7 22. c4 Be4 23. Rdd1 Qb7 24. Nf3 Rfc8 25. h3 Bf8 26. Nd4 Bc5 27. Nxf5 exf5 28. Bxc5 Qxb3 29. Rxd7 Qxc4 30. Bd6 Qb5 31. e6 Rc2 32. Rxg7+ Kxg7 33. Qg3+ Kh8 34. Rf2 Rg8 35. Rxc2 Rxg3 0-1

[Event "Hanoi GM"]
[Site "Hanoi"]
[Date "2023.05.23"]
[Round "3"]
[White "Siddharth, Jagadeesh"]
[Black "Sek, Konstantin"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2381"]
[BlackElo "2425"]
[PlyCount "119"]
[EventDate "2023.05.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 0-0 6. Bg5 h6 7. Bh4 Be7 8. Nbd2 d6 9. a4 Kh8 10. Bg3 Nh7 11. 0-0 f5 12. exf5 Bxf5 13. a5 a6 14. Re1 Nf6 15. h3 Qd7 16. Ne4 Rae8 17. Bb3 Bg6 18. Ba4 Nxe4 19. dxe4 Qc8 20. Nh2 Bg5 21. Qd3 Rd8 22. b4 d5 23. Bxc6 bxc6 24. Bxe5 dxe4 25. Qc4 Rd2 26. Bg3 e3 27. Nf3 Rxf3 28. gxf3 Qd7 29. h4 Bf7 30. Qxa6 Bf4 31. Re2 Bxg3 32. fxg3 Qd6 33. Kg2 Bg6 34. Ra2 Qd5 35. Rb2 Kh7 36. Kh2 Bd3 37. Rbxd2 exd2 38. Rxd2 Bxa6 39. Rxd5 cxd5 40. g4 Kg6 41. Kg3 Kf6 42. f4 g6 43. Kf3 h5 44. f5 hxg4+ 45. Kxg4 Bc8 46. b5 Bxf5+ 47. Kf4 Bd3 48. b6 cxb6 49. axb6 Ba6 50. Kg4 Ke6 51. Kg5 Kd6 52. Kxg6 Kc6 53. Kf6 Kxb6 54. Ke5 Kc5 55. h5 Bd3 56. h6 Bh7 57. Ke6 Kc4 58. Ke5 Kc5 59. Ke6 Kc6 60. Ke5 1/2-1/2

[Event "Hanoi GM"]
[Site "Hanoi"]
[Date "2023.05.22"]
[Round "1"]
[White "Priasmoro, Novendra"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2504"]
[BlackElo "2425"]
[PlyCount "96"]
[EventDate "2023.05.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. d4 Nxd4 9. Nxd4 exd4 10. e5 Ne8 11. c3 c5 12. Bd5 Rb8 13. cxd4 c4 14. b3 cxb3 15. Bxb3 d5 16. Nc3 Nc7 17. Qf3 Be6 18. Ne2 Qd7 19. Nf4 Bg4 20. Qg3 Bf5 21. Bd2 b4 22. Rac1 Kh8 23. h4 a5 24. h5 h6 25. Qf3 Ne6 26. Qxd5 Qa7 27. Nxe6 fxe6 28. Qc6 Qxd4 29. Be3 Qh4 30. Bxe6 Qxh5 31. Bb3 Bg5 32. e6 Rbe8 33. Rc5 Be7 34. Rxa5 Qg6 35. Bb6 Rb8 36. Rae5 Bh3 37. Bd5 Bf5 38. Bc7 Rbc8 39. Qd7 Bf6 40. R5e3 Bd4 41. Rf3 Bg4 42. Rf7 Qc2 43. Bg3 Qc3 44. Kf1 Qd3+ 45. Kg1 Qc3 46. Rxf8+ Rxf8 47. e7 Qxe1+ 48. Kh2 Rg8 1-0

[Event "Hanoi GM"]
[Site "Hanoi"]
[Date "2023.05.22"]
[Round "2"]
[White "Sek, Konstantin"]
[Black "Mohammad Fahad, Rahman"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2425"]
[BlackElo "2396"]
[PlyCount "42"]
[EventDate "2023.05.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 d5 2. d4 e6 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Qxd4 Qxd4 11. Nxd4 a6 12. Re1 Bc5 13. Nb3 Be7 14. Bg5 h6 15. Bh4 0-0 16. Rad1 b5 17. Bd3 Bb7 18. a3 Rac8 19. c3 Rfd8 20. f3 Kf8 21. Bf2 Bd5 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.07"]
[Round "7"]
[White "Chernyavsky, Alexander"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2339"]
[BlackElo "2425"]
[PlyCount "95"]
[EventDate "2023.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Be7 7. a3 0-0 8. Nf3 a5 9. Nxe5 a4 10. 0-0 c6 11. e4 Be6 12. Be3 Bb3 13. Qe2 Ra5 14. f4 f6 15. Nf3 c5 16. Rfc1 Nc6 17. Nb1 Bf7 18. Nbd2 Qd7 19. Bf1 Rd8 20. Rc2 Na8 21. Rac1 b6 22. h3 Ra7 23. Nc4 Qe8 24. Kh2 Rad7 25. Rd1 Qf8 26. Rdc1 Rxd3 27. Qxd3 Rxd3 28. Bxd3 b5 29. Ncd2 c4 30. Nxc4 bxc4 31. Bxc4 Nd8 32. Bf1 Qe8 33. Rc8 Qd7 34. Rxa8 Qb7 35. Rcc8 Be6 36. Rxd8+ Bxd8 37. Rxd8+ Kf7 38. f5 Ba2 39. Bg2 Qxb2 40. Bc5 g6 41. Rf8+ Kg7 42. e5 gxf5 43. exf6+ Kg6 44. Nh4+ Kh5 45. Nxf5 Kg6 46. Ne7+ Kh5 47. g4+ Kh4 48. Nf5+ 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.07"]
[Round "6"]
[White "Sek, Konstantin"]
[Black "Salvador, Louie"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2425"]
[BlackElo "2166"]
[PlyCount "99"]
[EventDate "2023.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Nbd7 8. g4 h6 9. a4 b6 10. Bg2 Bb7 11. h4 Be7 12. Be3 Nf8 13. Qe2 Qc7 14. 0-0-0 Bc6 15. Kb1 Qb7 16. Bc1 Ne6 17. g5 Nd7 18. g6 fxg6 19. Qg4 Nef8 20. f4 Nf6 21. Qg3 Nh5 22. Qf3 Nxf4 23. Bxf4 exf4 24. Qxf4 Nd7 25. Nd4 Rf8 26. Qg3 Ne5 27. Nf3 Nxf3 28. Bxf3 Rf6 29. Rhe1 Kf8 30. Nd5 Bxd5 31. Rxd5 Qc7 32. Qg2 Rd8 33. Red1 Kg8 34. Be2 Rdf8 35. Qg3 Qc6 36. Qb3 Kh8 37. Bxa6 Rf4 38. Bb5 Qc8 39. h5 g5 40. e5 dxe5 41. Qe3 Rf2 42. Bd3 Qg4 43. Re1 Qxa4 44. b3 Qf4 45. Qxb6 Qd2 46. Rdxe5 R2f6 47. Qb7 Bb4 48. R5e2 Qxe1+ 49. Rxe1 Bxe1 50. Kb2 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.06"]
[Round "5"]
[White "Kulpruethanon, Thanadon"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2242"]
[BlackElo "2425"]
[PlyCount "88"]
[EventDate "2023.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 Qh4+ 10. g3 Qd8 11. Nf3 0-0 12. 0-0 a6 13. Bc4 Nb6 14. Ba2 Bg4 15. Kg2 Qd7 16. Re1 a5 17. Qb3 Qd8 18. Ng1 Na6 19. h3 c4 20. Qa3 Nb4 21. Bb1 Bd7 22. Nf3 Re8 23. g4 f5 24. gxf5 gxf5 25. e5 dxe5 26. fxe5 N6xd5 27. Nxd5 Nxd5 28. Kh2 Qc7 29. Bc2 Ra6 30. Bd2 Rg6 31. Rg1 Rxe5 32. Rxg6 Re2+ 33. Kh1 hxg6 34. Rg1 Qc6 35. Bd1 Rf2 36. Be1 Rxb2 37. Nh4 Ne7+ 38. Bf3 Qe6 39. Bxa5 Qe5 40. Bg2 Bc6 41. Re1 Be4 42. Bd8 Nc6 43. Nf3 Qg3 44. Rg1 Rxg2 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.06"]
[Round "4"]
[White "Nonles, Ronald"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2044"]
[BlackElo "2425"]
[PlyCount "74"]
[EventDate "2023.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. 0-0 Qe8 8. c4 e5 9. Bh2 Ne4 10. Qc2 f5 11. Nc3 Nxc3 12. bxc3 b6 13. Rfe1 Qe7 14. a4 a5 15. Nd2 Bb7 16. Bf3 e4 17. Be2 Kh8 18. Red1 g5 19. Nb3 f4 20. Qd2 f3 21. Bf1 fxg2 22. Bxg2 Qe6 23. Qe2 Ba6 24. Nd2 Nf6 25. d5 Qe7 26. Nb3 Qf7 27. Bf1 Rae8 28. Qc2 g4 29. Nd4 gxh3 30. Ne6 Rg8 31. Kh1 Bh6 32. Ra2 Nxd5 33. Nd4 Nf6 34. Bxh3 Qh5 35. Bf1 Ng4 36. f3 Nxe3 37. Qe2 exf3 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.05"]
[Round "2"]
[White "Marin, Sam"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2046"]
[BlackElo "2425"]
[PlyCount "175"]
[EventDate "2023.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 f5 11. g3 Bg7 12. e4 0-0 13. Bg2 fxe4 14. Bxe4 f5 15. Bd5+ Kh8 16. 0-0 e4 17. Nc2 Ne5 18. Rb1 Nf3+ 19. Kh1 Qg5 20. Ne1 Nxh2 21. Kxh2 f4 22. Nxe4 Qh6+ 23. Kg1 Bh3 24. Nc2 Be5 25. Re1 Rf5 26. g4 Bg2 27. f3 Qh1+ 28. Kf2 Qh2 29. Ke2 Rff8 30. Kd3 b5 31. b3 Rab8 32. Qe2 Qh3 33. Ng5 Qh4 34. Nf7+ Rxf7 35. Bxf7 Bh3 36. Rh1 Bg7 37. Qe1 Qf6 38. Bd5 Bg2 39. Rh2 bxc4+ 40. bxc4 Bf1+ 41. Qxf1 Qc3+ 42. Ke4 Re8+ 43. Be6 Rxe6+ 44. Kd5 Qe5+ 45. Kc6 d5+ 46. Kb7 Qd6 47. Rxh7+ Kxh7 48. Qd3+ Kh8 49. Qxd5 Re7+ 50. Ka8 Re8+ 51. Ka7 Re7+ 52. Rb7 Rxb7+ 53. Kxb7 Qe7+ 54. Kxa6 Qf6+ 55. Kb5 Qb2+ 56. Nb4 Bc3 57. Qa8+ Kg7 58. Qa4 Qe2 59. Qa7+ Kg6 60. Qb6+ Kg5 61. Qd8+ Bf6 62. Qd3 Qe8+ 63. Nc6 Kh4 64. a4 Qf7 65. a5 Qb7+ 66. Kc5 Bg7 67. Qd8+ Kg3 68. Qe7 Qb2 69. a6 Bd4+ 70. Nxd4 Qa3+ 71. Kd5 Qxa6 72. Ne2+ Kxf3 73. Qe4+ Kf2 74. Nxf4 Kg3 75. Ne2+ Kh4 76. g5+ Kh5 77. Qh1+ Kxg5 78. Qg1+ Kh6 79. Qh2+ Kg7 80. Qe5+ Kf7 81. Nd4 Qa2 82. Qe6+ Kf8 83. Kd6 Qa6+ 84. Nc6 Qa3+ 85. c5 Qd3+ 86. Kc7 Qb5 87. Qf6+ Kg8 88. Ne7+ 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.05"]
[Round "3"]
[White "Sek, Konstantin"]
[Black "Andok, Aron"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2425"]
[BlackElo "1653"]
[PlyCount "69"]
[EventDate "2023.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 d6 7. Ng5 d5 8. exd5 Nd4 9. c4 bxc4 10. dxc4 h6 11. Nf3 Bg4 12. Ba4+ c6 13. Be3 Qa5+ 14. Nc3 0-0-0 15. Bxd4 exd4 16. Qxd4 Bc5 17. Qd3 Nxd5 18. cxd5 Rxd5 19. Qe2 Bd4 20. 0-0 Bxc3 21. Bxc6 Rc5 22. Be4 Re8 23. bxc3 Rce5 24. Qc4+ Rc5 25. Bb7+ Kxb7 26. Qxg4 f5 27. Qxg7+ Rc7 28. Qxh6 Rg8 29. Rab1+ Ka8 30. Qb6 Qxb6 31. Rxb6 Rxc3 32. Nd4 Ka7 33. Rb3 Rxb3 34. axb3 Rb8 35. Nc6+ 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.04"]
[Round "1"]
[White "Sek, Konstantin"]
[Black "Frost, Peter"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2425"]
[BlackElo "1671"]
[PlyCount "41"]
[EventDate "2023.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. c3 Nc6 6. e5 cxd4 7. cxd4 Nge7 8. Bd3 Nf5 9. Nb3 Be7 10. 0-0 0-0 11. Re1 Bd7 12. Bf4 Rc8 13. Rc1 Qb6 14. g4 Nh4 15. Nxh4 Bxh4 16. g5 f6 17. Bxh7+ Kxh7 18. Qh5+ Kg8 19. g6 Rfe8 20. exf6 Bxf6 21. Qh7+ 1-0

[Event "Bangkok Blue Chevaliers op"]
[Site "Bangkok"]
[Date "2023.04.16"]
[Round "7"]
[White "Makarov, Nikolay Val"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2223"]
[BlackElo "2434"]
[PlyCount "93"]
[EventDate "2023.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Bg5 h6 11. Bf6 Qg6 12. Nh4 Qh7 13. Qh5 Kd7 14. Rad1 Kc8 15. Bxd4 Be7 16. Nc5 Bxc5 17. Qxc5 Rd8 18. Be3 Rg8 19. b4 a6 20. Bd4 Bg4 21. Rd3 g5 22. Rde3 gxh4 23. Re8+ Rxe8 24. Rxe8+ Kd7 25. Rxa8 Qe4 26. Be3 Be6 27. a3 h3 28. Rg8 hxg2 29. Rg3 b6 30. Qc3 Ke7 31. Qd3 Qe5 32. f4 Qh5 33. Kxg2 Bf5 34. Qd2 Be4+ 35. Kg1 Qf5 36. c4 Qe6 37. b5 Na5 38. Rg8 Nb7 39. bxa6 Nd6 40. a7 Qf5 41. c5 bxc5 42. Qc3 Kd7 43. Qe5 Qh7 44. Rg7 Qh8 45. Bxc5 Qa8 46. Bxd6 Qxa7+ 47. Bc5 1-0

[Event "Bangkok Blue Chevaliers op"]
[Site "Bangkok"]
[Date "2023.04.15"]
[Round "6"]
[White "Sek, Konstantin"]
[Black "Habla, Jony"]
[Result "1-0"]
[ECO "C46"]
[WhiteElo "2434"]
[BlackElo "2252"]
[PlyCount "73"]
[EventDate "2023.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. d4 a6 5. Bc4 exd4 6. Nxd4 Ne5 7. Be2 Nf6 8. f4 Ng6 9. 0-0 Be7 10. g4 c6 11. g5 Ng8 12. Nf5 Bxf5 13. exf5 Nf8 14. Qd4 f6 15. Re1 Qa5 16. Bh5+ g6 17. gxf6 gxh5 18. fxe7 Nxe7 19. Qxh8 Qxf5 20. Rxe7+ Kxe7 21. Qg7+ Ke8 22. Bd2 Ne6 23. Re1 Kd8 24. Qg2 Kc7 25. Ne4 h6 26. Ng3 Qf7 27. Qe4 Kd7 28. f5 Nc5 29. Qf4 Rg8 30. b4 Na4 31. f6 Qd5 32. c4 Qd3 33. f7 Rf8 34. Qxh6 Qd4+ 35. Kh1 Qh8 36. Qe6+ Kc7 37. Qe7+ 1-0

[Event "Bangkok Blue Chevaliers op"]
[Site "Bangkok"]
[Date "2023.04.14"]
[Round "4"]
[White "Badmatsyrenov, Oleg"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2437"]
[BlackElo "2434"]
[PlyCount "109"]
[EventDate "2023.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Na5 5. Bb3 Nxb3 6. axb3 d5 7. Nf3 dxe4 8. Nxe5 exd3 9. 0-0 Bd6 10. Nxd3 0-0 11. Qf3 c6 12. h3 Re8 13. Rd1 Qe7 14. Bg5 Bc7 15. Re1 Qd6 16. Bf4 Qd8 17. Bxc7 Rxe1+ 18. Rxe1 Qxc7 19. Nc5 Be6 20. Nxe6 Qe7 21. Qe3 Qxe6 22. Qxe6 fxe6 23. Rxe6 Rd8 24. Kf1 Kf7 25. Re5 Rd2 26. Re2 Rd4 27. g3 g5 28. Ke1 Rd7 29. Re5 h6 30. Ke2 b6 31. Re3 b5 32. Rd3 Re7+ 33. Kf1 a5 34. Rd6 Rc7 35. Rd8 b4 36. Nd1 Ra7 37. Rc8 Ra6 38. Ne3 Ke6 39. Ke2 h5 40. Rc7 Nd7 41. Nc4 c5 42. Rc8 Kf7 43. Rd8 Nf6 44. Rd6 Ra7 45. Rc6 Re7+ 46. Kf1 Ne4 47. Nd6+ Nxd6 48. Rxd6 Rc7 49. Ra6 c4 50. Rxa5 Kg6 51. Rb5 cxb3 52. cxb3 Rc2 53. Rxb4 Rxb2 54. Kg2 h4 55. Rb6+ 1-0

[Event "Bangkok Blue Chevaliers op"]
[Site "Bangkok"]
[Date "2023.04.14"]
[Round "5"]
[White "Sek, Konstantin"]
[Black "Bulf, Eduard Nicola"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2434"]
[BlackElo "1922"]
[PlyCount "47"]
[EventDate "2023.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nf6 7. Nxf6+ gxf6 8. 0-0 Qd5 9. c4 Qh5 10. d5 Bd7 11. Bf4 Bd6 12. Bg3 Na6 13. a3 Nc5 14. Bc2 Bxg3 15. hxg3 0-0-0 16. Qd4 b6 17. b4 Nb7 18. Qxf6 exd5 19. Ne5 Be6 20. cxd5 Qe2 21. Bd3 Qb2 22. dxe6 Rxd3 23. Qxh8+ Rd8 24. Qf6 1-0

[Event "Bangkok Blue Chevaliers op"]
[Site "Bangkok"]
[Date "2023.04.13"]
[Round "3"]
[White "Sek, Konstantin"]
[Black "Ko, Ko Ohn"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2434"]
[BlackElo "2200"]
[PlyCount "107"]
[EventDate "2023.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[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 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be6 8. Be3 Nbd7 9. Qf3 Be7 10. 0-0-0 Qc7 11. g4 Nb6 12. g5 Nfd7 13. h4 Nc4 14. Bxc4 Bxc4 15. h5 0-0-0 16. Kb1 Kb8 17. Qg3 Rc8 18. f4 Ka8 19. f5 f6 20. g6 h6 21. Rh2 b5 22. Qg1 Rb8 23. Nd5 Bxd5 24. Rxd5 Nb6 25. Bxb6 Rxb6 26. Qd1 Rc6 27. Rhd2 Rc8 28. a3 Rc4 29. Re2 Rc6 30. Nc1 Rc5 31. Rxc5 dxc5 32. Rd2 Rd8 33. Rxd8+ Qxd8 34. Qe1 Kb7 35. Ne2 Qd6 36. Nc3 Qd4 37. Nd5 Bd8 38. Qe2 Kc6 39. Ka2 c4 40. c3 Qc5 41. Nb4+ Kd7 42. Nxa6 Qd6 43. Nb4 Bb6 44. Nd5 Bc5 45. Qd1 Kc8 46. b4 cxb3+ 47. Qxb3 Qa6 48. Kb2 Kd8 49. Nb4 Bxb4 50. axb4 Qb6 51. Qg8+ Kc7 52. Qxg7+ Kb8 53. Qf8+ Kb7 54. Qc5 1-0

[Event "Bangkok Blue Chevaliers op"]
[Site "Bangkok"]
[Date "2023.04.12"]
[Round "2"]
[White "Chua, Chee Sian Sebastien"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "1897"]
[BlackElo "2434"]
[PlyCount "54"]
[EventDate "2023.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[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. Nf3 g6 7. Bf4 Bg7 8. h3 0-0 9. e3 Na6 10. Bxa6 bxa6 11. Rc1 Bf5 12. Nd2 Bd3 13. Qa4 Rb8 14. b3 Rb4 15. Qc6 Rxf4 16. exf4 Re8+ 17. Kd1 Qe7 18. Nc4 Ne4 19. Nxe4 Qxe4 20. Ne3 Bb5 21. Qxe8+ Bxe8 22. Rc4 Qb1+ 23. Rc1 Qd3+ 24. Ke1 Bb5 25. Nc4 Bb2 26. Rc3 Bxc3+ 27. Nd2 Qb1# 0-1

[Event "Bangkok Blue Chevaliers op"]
[Site "Bangkok"]
[Date "2023.04.12"]
[Round "1"]
[White "Sek, Konstantin"]
[Black "Rolston, Daniel Haruma"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2434"]
[BlackElo "1518"]
[PlyCount "53"]
[EventDate "2023.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. 0-0 Nf6 7. Ng5 0-0 8. f4 exf4 9. Bxf4 Nd4 10. e5 dxe5 11. Bxe5 h6 12. Nge4 Ng4 13. Bf4 Bf5 14. a4 Qd7 15. Nd5 Rad8 16. h3 Bxe4 17. dxe4 Nf6 18. c3 Nc6 19. Bc7 Nxe4 20. Bxd8 Bxd8 21. Qd3 Nd6 22. Rae1 Bh4 23. Re2 Rd8 24. Ba2 c4 25. Bxc4 Nxc4 26. Qxc4 Bg3 27. Ne7+ 1-0

[Event "Manny Pacquiao op"]
[Site "General Santos City"]
[Date "2022.12.16"]
[Round "7"]
[White "Sek, Konstantin"]
[Black "Quizon, Daniel"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2426"]
[BlackElo "2383"]
[PlyCount "79"]
[EventDate "2022.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[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 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. 0-0-0 Qc7 10. Bb3 Bd7 11. g4 Nxd4 12. Rxd4 h5 13. f3 hxg4 14. fxg4 g6 15. Qf3 Qa5 16. Rf1 Rh7 17. g5 Nh5 18. Kb1 Rc8 19. Rd2 Bc6 20. Rdf2 Qe5 21. Qg4 Bd7 22. Qg1 b5 23. Rf3 b4 24. Na4 Bb5 25. Nb6 Rc7 26. Re1 Qxe4 27. Rf2 Qb7 28. Qg4 d5 29. Bd4 Qc6 30. Qf3 Qd6 31. Nxd5 exd5 32. Be5 Qc5 33. Bxc7 Qxc7 34. Bxd5 Kf8 35. Bxf7 Nf4 36. Bxg6 Rh4 37. Qg3 Kg8 38. Bf7+ Kxf7 39. Qxh4 Bd6 40. Re4 1-0

[Event "Manny Pacquiao op"]
[Site "General Santos City"]
[Date "2022.12.15"]
[Round "6"]
[White "Nebato, Sheider"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A69"]
[WhiteElo "2224"]
[BlackElo "2426"]
[PlyCount "74"]
[EventDate "2022.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[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 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 0-0 7. Be2 e6 8. 0-0 exd5 9. cxd5 Re8 10. Nd2 Nbd7 11. f4 a6 12. a4 c4 13. a5 b5 14. axb6 Nxb6 15. Kh1 a5 16. Qe1 Qc7 17. Qf2 Bg4 18. Re1 Bxe2 19. Rxe2 Nfd7 20. Nb5 Qb8 21. Nd4 Nc5 22. Nc6 Qc7 23. Qf3 a4 24. Rb1 f5 25. e5 dxe5 26. fxe5 Bxe5 27. Nf1 Ne4 28. Nxe5 Qxe5 29. Bf4 Qxd5 30. Ne3 Qc6 31. Rc2 Rac8 32. Rbc1 Qe6 33. h4 c3 34. bxc3 Nc4 35. Nxc4 Rxc4 36. Kh2 Rec8 37. Qd3 Qf6 0-1

[Event "Manny Pacquiao op"]
[Site "General Santos City"]
[Date "2022.12.15"]
[Round "5"]
[White "Sek, Konstantin"]
[Black "Concio, Michael Jr"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "2426"]
[BlackElo "2345"]
[PlyCount "104"]
[EventDate "2022.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Be7 5. Bxc6 dxc6 6. d3 Bd6 7. a3 h6 8. Ne2 a5 9. Ng3 0-0 10. 0-0 c5 11. a4 c6 12. Nh4 g6 13. h3 Kh7 14. Nf3 Qe7 15. Bd2 b6 16. Bc3 Bd7 17. Nd2 Bc7 18. Nc4 Ne8 19. Ne2 Be6 20. Nxe5 Bxh3 21. f4 Bxe5 22. fxe5 Qg5 23. Nf4 Bg4 24. Qe1 Ng7 25. Qf2 Ne6 26. Nxe6 Bxe6 27. Rae1 Rad8 28. Re3 Rd4 29. Bxd4 cxd4 30. Rf3 Qxe5 31. Rf6 c5 32. b3 Kg7 33. Qh4 Rb8 34. R6f3 Re8 35. R1f2 Qg5 36. Qh2 Qc1+ 37. Rf1 Qxc2 38. Qe5+ Kg8 39. Rg3 Kh7 40. Rf6 Qd1+ 41. Kf2 Qd2+ 42. Kg1 Qd1+ 43. Kf2 Qxb3 44. Rgf3 Rg8 45. Qc7 Rg7 46. Kg1 h5 47. Kh2 Qxa4 48. Qxb6 Qb4 49. Qc7 a4 50. Rxe6 fxe6 51. Rf7 Rxf7 52. Qxf7+ Kh6 1/2-1/2

[Event "Manny Pacquiao op"]
[Site "General Santos City"]
[Date "2022.12.14"]
[Round "4"]
[White "Parondo, Rolly"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2215"]
[BlackElo "2426"]
[PlyCount "84"]
[EventDate "2022.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. Bc4 0-0 6. 0-0 Nbd7 7. h3 Qe8 8. g4 a5 9. Bh2 e5 10. Nc3 Qe7 11. Nb5 Ne8 12. e4 c6 13. Nc3 Nc7 14. Re1 Ne6 15. Ne2 Kh8 16. Qd2 exd4 17. Nexd4 Nec5 18. b3 Ne5 19. Nxe5 dxe5 20. Nf3 Rd8 21. Qc3 f6 22. Qe3 Be6 23. Qc3 b6 24. Bf1 Bf8 25. Nd2 Rd4 26. Nf3 Rd7 27. Nd2 Bh6 28. Nf3 Rc8 29. b4 axb4 30. Qxb4 Ra8 31. Reb1 Rb7 32. Bg3 Bf8 33. Nd2 Qc7 34. Qc3 Na4 35. Qf3 Qf7 36. Bd3 b5 37. c4 Rd8 38. cxb5 Nc5 39. Bf1 Rxd2 40. bxc6 Rxb1 41. Rxb1 Kg7 42. Rb8 Bd6 0-1

[Event "Manny Pacquiao op"]
[Site "General Santos City"]
[Date "2022.12.14"]
[Round "3"]
[White "Sek, Konstantin"]
[Black "Van Foreest, Lucas"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2426"]
[BlackElo "2577"]
[PlyCount "52"]
[EventDate "2022.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nc6 7. Bb5 e6 8. 0-0 Be7 9. d4 0-0 10. Re1 Bd7 11. Bd3 Rc8 12. a3 a6 13. Bc2 Nxc3 14. bxc3 Bf6 15. a4 Ne7 16. Qd3 Ng6 17. Ne5 Qc7 18. Bd2 Rfd8 19. Qh3 Be8 20. Nf3 b5 21. axb5 axb5 22. Rab1 Bc6 23. Ng5 Bxg5 24. Bxg5 Re8 25. Bd2 Qd7 26. Re5 Ra8 0-1

[Event "Manny Pacquiao op"]
[Site "General Santos City"]
[Date "2022.12.13"]
[Round "2"]
[White "Bancod, Ronald"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2227"]
[BlackElo "2426"]
[PlyCount "62"]
[EventDate "2022.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 0-0 8. a4 b4 9. a5 d6 10. Nbd2 Be6 11. Re1 Rb8 12. Bc4 Bxc4 13. dxc4 Qd7 14. b3 Nd8 15. c5 Qc6 16. cxd6 cxd6 17. Bb2 Ne6 18. Rc1 Nc5 19. Nh4 g6 20. Qf3 Rb5 21. c3 bxc3 22. Rxc3 Qb7 23. Ba3 Ne6 24. g3 Ng5 25. Qd3 Qd7 26. f3 d5 27. Bxe7 Qxe7 28. Rc6 dxe4 29. Nxe4 Nfxe4 30. fxe4 Rxa5 31. Rxa6 Qb4 0-1

[Event "Manny Pacquiao op"]
[Site "General Santos City"]
[Date "2022.12.13"]
[Round "1"]
[White "Sek, Konstantin"]
[Black "Caunti, Rosauro F"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2426"]
[BlackElo "1895"]
[PlyCount "55"]
[EventDate "2022.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qf4 Nd5 7. Qe4 Nc7 8. Nc3 Bg7 9. Bf4 Ne6 10. 0-0-0 Nxf4 11. Qxf4 Qa5 12. Rd5 Qb4 13. Ne4 h5 14. Bc4 a6 15. Kb1 b5 16. Nfg5 0-0 17. Bb3 e6 18. Rc5 Bb7 19. a3 Qd4 20. c3 Qd3+ 21. Bc2 Qe2 22. Nf3 d5 23. Re1 Bxe5 24. Nf6+ Bxf6 25. Rxe2 Kg7 26. Qc7 Rab8 27. Rxc6 Rfc8 28. Qxb7 1-0

[Event "Chiang Mai op 20th"]
[Site "Chiangmai"]
[Date "2022.10.30"]
[Round "9.3"]
[White "Sek, Konstantin"]
[Black "Melkumyan, Hrant"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2432"]
[BlackElo "2645"]
[PlyCount "72"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 dxc6 7. a4 Qe7 8. Na3 Nf6 9. Nc4 Nd7 10. d3 0-0 11. Bg5 f6 12. Be3 Rd8 13. Nfd2 Nf8 14. f4 exf4 15. Bxf4 b6 16. Bg3 Be6 17. Qf3 Bf7 18. e5 f5 19. a5 Bd5 20. Qf2 Ne6 21. h4 b5 22. Nd6 c4 23. dxc4 bxc4 24. Bf4 Rab8 25. N2xc4 Bxc4 26. Nxc4 Nxf4 27. Qxf4 Qc5+ 28. Ne3 Rb4 29. Qf2 Bxe5 30. Re2 Rf4 31. Qe1 Bxb2 32. Rd1 Rxd1 33. Qxd1 Bd4 34. Qd3 Re4 35. Kf2 Rxe3 36. Rxe3 f4 0-1

[Event "Chiang Mai op 20th"]
[Site "Chiangmai"]
[Date "2022.10.29"]
[Round "8.10"]
[White "Laohawirapap, Prin"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2213"]
[BlackElo "2432"]
[PlyCount "64"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Bb7 10. Bd2 g6 11. Ne4 0-0-0 12. a4 Ba6 13. Qe3 Qxe5 14. Bc3 Bb4 15. Bxb4 Rhe8 16. f3 d5 17. a5 Nxc4 18. Bxc4 Bxc4 19. 0-0-0 dxe4 20. Qxa7 Rd5 21. a6 Qg5+ 22. Kb1 Kd7 23. fxe4 Bd3+ 24. Rxd3 Rxd3 25. Rf1 Qb5 26. Rxf7+ Ke6 27. Qf2 Rd1+ 28. Ka2 Qxa6+ 29. Kb3 Qd3+ 30. Ka2 Ra8+ 31. Ba3 Rxa3+ 32. bxa3 Qb1# 0-1

[Event "Chiang Mai op 20th"]
[Site "Chiangmai"]
[Date "2022.10.28"]
[Round "7.8"]
[White "Sek, Konstantin"]
[Black "Poh, Yu Tian"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2432"]
[BlackElo "2340"]
[PlyCount "100"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[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. a4 Ngf6 5. Nc3 a6 6. Be2 g6 7. 0-0 Bg7 8. a5 0-0 9. d3 b5 10. axb6 a5 11. h3 Bb7 12. Bg5 Qxb6 13. Qd2 Rfb8 14. b3 Bc6 15. Ra2 Qb4 16. Qe1 Qb7 17. Qd2 Ra7 18. Rfa1 Rba8 19. Qe1 Nb6 20. Rb1 Qc7 21. Be3 Rb7 22. d4 Bxe4 23. dxc5 dxc5 24. Nb5 Qc8 25. Rxa5 Rxa5 26. Qxa5 Nbd5 27. Bd2 Qb8 28. Ne1 Bf5 29. Rd1 Ne4 30. c4 Nb6 31. Be3 Rd7 32. Rxd7 Nxd7 33. Nd3 h5 34. g4 hxg4 35. hxg4 Be6 36. Bf3 f5 37. Qa6 Bf7 38. gxf5 gxf5 39. Qc6 Nef6 40. Qa8 Qxa8 41. Bxa8 Ng4 42. Bxc5 Nge5 43. Nxe5 Nxc5 44. Nxf7 Kxf7 45. b4 Na6 46. c5 Be5 47. c6 Nc7 48. Nxc7 Bxc7 49. Bb7 Ke6 50. Bc8+ Ke5 1/2-1/2

[Event "Chiang Mai op 20th"]
[Site "Chiangmai"]
[Date "2022.10.26"]
[Round "5.6"]
[White "Sek, Konstantin"]
[Black "Lalith, Babu MR"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "2432"]
[BlackElo "2550"]
[PlyCount "68"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. Bxc6 dxc6 7. d3 Bg4 8. h3 Bh5 9. Kh2 Bd6 10. Rg1 Bxf3 11. Qxf3 Nd5 12. g4 Nb4 13. Qe2 c5 14. Be3 Nc6 15. Raf1 Nd4 16. Qd1 Qd7 17. Kh1 Rad8 18. Bxd4 cxd4 19. Ne2 Qe6 20. b3 Qh6 21. Kg2 g6 22. Qc1 Qxc1 23. Rxc1 Ba3 24. Rcf1 Rd6 25. f4 Rc6 26. fxe5 Rxc2 27. Kf3 Re8 28. Nxd4 Rxa2 29. Nb5 Rd8 30. Nxc7 Rxd3+ 31. Kf4 Bc5 32. Nd5 Bxg1 33. Rxg1 Rf2+ 34. Kg5 Rxh3 0-1

[Event "Chiang Mai op 20th"]
[Site "Chiangmai"]
[Date "2022.10.25"]
[Round "4.12"]
[White "Sek, Konstantin"]
[Black "Wiwatanadate, Poompong"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "2432"]
[BlackElo "1991"]
[PlyCount "99"]
[EventDate "2022.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 e6 7. d4 Be7 8. Bd3 Nc6 9. 0-0 0-0 10. Re1 Bf6 11. Be4 Nce7 12. Ne5 Bd7 13. Ng4 Bc6 14. Qd3 Ng6 15. Nxd5 Bxd5 16. Bxg6 hxg6 17. Nxf6+ Qxf6 18. Re5 Qd8 19. Bd2 Qb6 20. Bc3 Rfd8 21. h4 Qc6 22. h5 gxh5 23. Rxh5 g6 24. Qg3 Kg7 25. Bd2 Rh8 26. Rxh8 Rxh8 27. Rc1 Qe8 28. Qe5+ Kg8 29. Rc7 a6 30. Bg5 Rh5 31. Qf6 Rh7 32. Bf4 Bc6 33. Be5 Bd5 34. f3 Bc6 35. b4 Bd5 36. a4 Bc6 37. b5 axb5 38. axb5 Bd5 39. b6 Kf8 40. Kf2 Kg8 41. Re7 Qd8 42. Rc7 Qe8 43. Qf4 Rh5 44. Qc1 Bc6 45. g4 Rxe5 46. dxe5 Qd8 47. Qf4 Qh4+ 48. Kg2 Be8 49. Rc8 Kf8 50. Qb4+ 1-0

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "6"]
[White "Efimov, Ignat"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2108"]
[BlackElo "2432"]
[PlyCount "78"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. d4 e6 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 d6 10. Bg2 Qa6 11. Nd2 0-0 12. Nb5 Qc6 13. b3 a6 14. Nd4 Qc7 15. Bb2 Qa5 16. N4f3 Nxe4 17. Qxe4 Nxf3+ 18. Bxf3 Bxd2+ 19. Kf1 Bc3 20. Bxc3 Qxc3 21. Kg2 Rb8 22. Rad1 Qa5 23. Qc2 Qc7 24. Rd2 d5 25. cxd5 Qxc2 26. Rxc2 exd5 27. Bxd5 Rd8 28. Bf3 Be6 29. Rhc1 g6 30. h4 Rd7 31. Rc7 Rd2 32. R1c2 Rxc2 33. Rxc2 b6 34. Rc6 a5 35. Be2 Kf8 36. Bc4 Bd7 37. Rc7 Be8 38. a4 Rd8 39. Rb7 Bc6+ 0-1

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "4"]
[White "Kozlov, Alexei"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1590"]
[BlackElo "2432"]
[PlyCount "70"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qd8 9. Nxe4 Be7 10. Bg5 0-0 11. Bxe7 Qxe7 12. Nxd4 Qb4 13. Nxc6 bxc6 14. b3 Bf5 15. c3 Qa3 16. Qf3 Bg6 17. Nd2 Rad8 18. Nc4 Qc5 19. Re5 Rd5 20. Rae1 h6 21. h4 h5 22. Kh2 a5 23. a4 Bc2 24. Rxd5 cxd5 25. Nd2 Bg6 26. Qe3 Qc6 27. Qd4 Qd6+ 28. Qe5 Qc5 29. Qd4 Qc6 30. Re5 Rd8 31. c4 Qf6 32. cxd5 c6 33. Ne4 Qxh4+ 34. Kg1 cxd5 35. Qb6 dxe4 0-1

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "10"]
[White "Kretov, Evgenij"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2269"]
[BlackElo "2432"]
[PlyCount "126"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. 0-0 e5 8. d3 Be7 9. Nd2 Bd7 10. Nc4 0-0 11. Bxc6 Bxc6 12. Nxe5 Be8 13. Be3 f6 14. Nc4 Kh8 15. f3 b5 16. Nd2 f5 17. Qc2 Rc8 18. Rac1 Ne6 19. a4 Nd4 20. Qd1 bxa4 21. Nc4 Nb3 22. Rb1 Bf6 23. Kg2 Bd4 24. Bf4 g5 25. Be5+ Kg8 26. e3 Bxe5 27. Nxe5 Qd6 28. f4 g4 29. Qe2 Rd8 30. Rbd1 Bc6+ 31. Nxc6 Qxc6+ 32. Kg1 Rfe8 33. Rfe1 Nd4 34. Qf2 Nf3+ 35. Kf1 Nxe1 36. Kxe1 c4 37. d4 Rxe3+ 38. Qxe3 Re8 39. Qxe8+ Qxe8+ 40. Kd2 Qb8 41. Rb1 Qb6 42. Ke3 Qb3 43. Kd2 Qb6 44. Ke3 Kg7 45. Nxa4 Qb3+ 46. Nc3 Qc2 47. d5 Qd3+ 48. Kf2 Qc2+ 49. Ke3 Qxh2 50. d6 Qxg3+ 51. Kd4 Qxf4+ 52. Kc5 Qe3+ 53. Kc6 Qb6+ 54. Kd7 Kf7 55. Re1 Qb7+ 56. Kd8 Qb8+ 57. Kd7 g3 58. Re7+ Kg6 59. Nd5 Qxb2 60. Kc8 Qb5 61. Nc7 Qc5 62. Re6+ Kf7 63. d7 Qd4 1-0

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "8"]
[White "Orlov, Oleg"]
[Black "Sek, Konstantin"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2254"]
[BlackElo "2432"]
[PlyCount "110"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 e5 5. Nc3 g6 6. e3 d6 7. h3 Bg7 8. d4 0-0 9. 0-0 Bf5 10. b3 exd4 11. exd4 Ne4 12. Ne2 cxd4 13. Bb2 Nc3 14. Qd2 Ne4 15. Qc1 d3 16. Nc3 Re8 17. g4 Nxc3 18. Bxc3 Be4 19. Re1 Bxf3 20. Bxf3 Rb8 21. Qd2 Ne5 22. Bg2 Qf6 23. Rac1 Nf3+ 24. Bxf3 Qxf3 25. Bxg7 Kxg7 26. Re3 Rxe3 27. Qxe3 Qxe3 28. fxe3 Re8 29. Kf2 Re6 30. Rd1 Rf6+ 31. Kg3 Re6 32. Kf2 Rf6+ 33. Kg2 Re6 34. Rxd3 Kf6 35. Kf3 Ke7 36. Rd5 b6 37. a4 Kd7 38. a5 Kc6 39. axb6 axb6 40. Rd1 Kc5 41. Rd5+ Kc6 42. g5 Re7 43. h4 Ra7 44. Rd4 Kc5 45. Rd5+ Kc6 46. Kf4 Ra3 47. Rd3 Ra1 48. Rd5 Rf1+ 49. Kg3 Re1 50. Kf2 Rh1 51. Kg3 Rb1 52. Rb5 Rb2 53. Kf3 Rb1 54. Kg3 Rb2 55. Kf3 Rb1 1/2-1/2

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "9"]
[White "Sek, Konstantin"]
[Black "Gavrilov, Oleg"]
[Result "0-1"]
[ECO "D42"]
[WhiteElo "2432"]
[BlackElo "2356"]
[PlyCount "50"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 cxd4 5. cxd4 dxe4 6. Nxe4 Bb4+ 7. Nc3 Nf6 8. Nf3 0-0 9. Bd3 b6 10. 0-0 Bb7 11. a3 Be7 12. Re1 Nc6 13. Bc2 Ba6 14. Ba4 Rc8 15. Bxc6 Rxc6 16. Qa4 Qc8 17. d5 Nxd5 18. Nxd5 exd5 19. Rxe7 Rxc1+ 20. Rxc1 Qxc1+ 21. Re1 Qc8 22. Re7 Bd3 23. h3 Be4 24. Ne5 Qc1+ 25. Kh2 Qg5 0-1

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "3"]
[White "Sek, Konstantin"]
[Black "Igudin, Denis"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2432"]
[BlackElo "1762"]
[PlyCount "77"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Bc5 4. Nc3 Nf6 5. f4 exf4 6. Bxf4 d6 7. Nf3 Qe7 8. Qd2 Bg4 9. 0-0-0 0-0-0 10. Bg5 Bb4 11. Rhf1 h6 12. Bf4 Ne5 13. Bb3 Rhf8 14. Qe3 Bxc3 15. bxc3 Kb8 16. Kb2 Ng6 17. Bg3 d5 18. e5 Nd7 19. Rde1 Nb6 20. a4 a5 21. Qd4 Ka7 22. Qxg4 c5 23. e6 c4 24. exf7 Qxf7 25. Nd4 Qxf1 26. Rxf1 Rxf1 27. Bc7 Rdf8 28. Bxb6+ Kxb6 29. Qxg6+ R8f6 30. Qxg7 cxb3 31. Nxb3 R1f2 32. Qe7 Ka7 33. Qc5+ Kb8 34. Qxa5 R6f5 35. Nd4 Rg5 36. Qd8+ Ka7 37. Nb5+ Ka6 38. Qa8+ Kb6 39. Qa7+ 1-0

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "5"]
[White "Sek, Konstantin"]
[Black "Lobanov, Sergei"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2432"]
[BlackElo "2515"]
[PlyCount "95"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 6. a4 Bd6 7. 0-0 0-0 8. Re1 Re8 9. Nc3 d4 10. Ne2 h6 11. c3 c5 12. Ng3 Nc6 13. Nh4 Bg4 14. f3 Bd7 15. Nhf5 Bf8 16. f4 dxc3 17. bxc3 Be6 18. fxe5 Nxe5 19. d4 Bxb3 20. Qxb3 Nd3 21. Rf1 cxd4 22. cxd4 Nxc1 23. Raxc1 Nxe4 24. Nxe4 Rxe4 25. Qxb7 Re6 26. Rcd1 Rb8 27. Qf3 Rf6 28. Qg3 Rb2 29. d5 Rg6 30. Qf3 Qb6+ 31. Kh1 Rf6 32. Qg3 Rg6 33. Qf3 Rf6 34. Qg3 Rg6 35. Qf3 Rgxg2 36. Qxg2 Rxg2 37. Kxg2 g6 38. Ng3 Bc5 39. Ne4 Qb2+ 40. Rd2 Qb4 41. Rf4 Kg7 42. d6 f5 43. d7 Be7 44. d8Q Bxd8 45. Rxd8 fxe4 46. Rd7+ Kg8 47. Rd8+ Kg7 48. Rd7+ 1/2-1/2

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "11"]
[White "Sek, Konstantin"]
[Black "Putrenko, Kirill"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "2432"]
[BlackElo "2132"]
[PlyCount "86"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. Bxf6 gxf6 9. exd5 Bxd5 10. Nc3 Bb4 11. Qd3 Bc6 12. Qxd8+ Kxd8 13. 0-0-0+ Nd7 14. Nd5 Bxd5 15. Rxd5 Kc7 16. Bd3 Nb6 17. Rb5 Be7 18. c3 a6 19. Ra5 h5 20. Nc5 Rad8 21. Be4 Nc4 22. Ra4 b5 23. Nxa6+ Kb6 24. Rxc4 bxc4 25. Nb4 Bxb4 26. cxb4 h4 27. a4 Rhg8 28. Rg1 Rd4 29. Kc2 Rgd8 30. Kc3 Rd2 31. Kxc4 Rxb2 32. Kc3 Ra2 33. a5+ Ka7 34. Kb3 Rdd2 35. Rc1 Rdb2+ 36. Kc3 Rxg2 37. Rd1 Rxh2 38. Rd7+ Kb8 39. Kc4 f5 40. Bxf5 Rhd2 41. Rxf7 Rd4+ 42. Kc5 Ra4 43. b5 Rac4+ 0-1

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "1"]
[White "Sek, Konstantin"]
[Black "Rumyantsev, Semen"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2432"]
[BlackElo "1547"]
[PlyCount "136"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 cxd4 5. cxd4 dxe4 6. Nxe4 Nc6 7. Nf3 Be7 8. Bd3 Nf6 9. Nc3 0-0 10. a3 Nd5 11. 0-0 Bf6 12. Be4 a6 13. Re1 Nde7 14. Qd3 h6 15. Be3 Qc7 16. Rad1 Rd8 17. Qc4 Bd7 18. Qc5 Rac8 19. Qh5 Qa5 20. Qxa5 Nxa5 21. Ne5 Nac6 22. Ng4 h5 23. Nxf6+ gxf6 24. d5 exd5 25. Nxd5 Nxd5 26. Bxd5 Be6 27. Be4 Bb3 28. Rc1 Bd5 29. Bb1 Ne5 30. Bb6 Re8 31. h3 Nd7 32. Bd4 Kg7 33. Bf5 Rxc1 34. Rxc1 Be6 35. Bb1 Ne5 36. f4 Nc6 37. Bc3 Bb3 38. Kf2 Ne7 39. Re1 Be6 40. Be4 Nc6 41. Bf3 h4 42. Rg1 Ne7 43. Bxb7 Nd5 44. Bxd5 Bxd5 45. g4 Re4 46. g5 Rxf4+ 47. Ke3 Re4+ 48. Kd3 Kg6 49. gxf6+ Kf5 50. Rf1+ Ke6 51. Rf2 Kd7 52. b4 Rc4 53. Bd4 Be6 54. Rf4 Rc1 55. Rxh4 Rd1+ 56. Ke3 Rh1 57. Rh8 Rxh3+ 58. Rxh3 Bxh3 59. Be5 Kc6 60. Kd4 Kb5 61. Kc3 Be6 62. Bd6 Bd5 63. Kd4 Be6 64. Bc5 Bb3 65. Ke5 Be6 66. Kd6 Bc4 67. Kc7 Ka4 68. Kb6 Bb5 1/2-1/2

[Event "St Petersburg Amir Cup Blitz"]
[Site "St Petersburg"]
[Date "2021.05.23"]
[Round "7"]
[White "Sek, Konstantin"]
[Black "Shpartko, Grigory"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2432"]
[BlackElo "2124"]
[PlyCount "96"]
[EventDate "2021.05.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 g6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. 0-0 Ne5 11. Re1 Be7 12. Rxe5 dxe5 13. Qf3 0-0 14. Bh6 Bf5 15. Bxf8 Qxf8 16. Bb3 Rc8 17. Qe3 Rc7 18. Qxe5 Bd6 19. Qf6 Be7 20. Qe5 Bd6 21. Qd4 Bc5 22. Qf4 Bd6 23. Qf3 Qh6 24. h3 Be5 25. g4 Bc8 26. Re1 Qg7 27. Ne4 c5 28. Bd5 h6 29. c3 Kh7 30. Kg2 f5 31. Ng3 f4 32. Ne4 Bb7 33. Bxb7 Rxb7 34. b3 Rc7 35. Rd1 Qf7 36. Rd5 Qe7 37. Qd3 Kg7 38. Nd2 Qe6 39. Nf3 Bf6 40. Rd6 Qe7 41. c4 a5 42. Qd5 g5 43. Qd3 a4 44. bxa4 Ra7 45. a5 Bd4 46. Qg6+ Kf8 47. Qxh6+ Bg7 48. Qg6 Qf7 1-0

[Event "St Petersburg Amir Cup Rapid"]
[Site "St Petersburg"]
[Date "2021.05.22"]
[Round "7"]
[White "Gabitov, Ruslan"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "2150"]
[BlackElo "2432"]
[PlyCount "59"]
[EventDate "2021.05.22"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Na5 5. Nge2 Be7 6. 0-0 0-0 7. a3 Nxc4 8. dxc4 d6 9. h3 Be6 10. Qd3 c6 11. Rd1 Nd7 12. b3 f5 13. exf5 Bxf5 14. Qd2 Nc5 15. Ng3 Bg6 16. Qe2 Ne6 17. Be3 Qe8 18. Nce4 Rd8 19. Bxa7 Nf4 20. Qd2 d5 21. cxd5 cxd5 22. Nc3 Qc6 23. Na4 d4 24. f3 b5 25. Nb2 Rd7 26. Qe1 Rxa7 27. Nd3 Qxc2 28. Nxf4 exf4 29. Rac1 Qxb3 30. Qe6+ 0-1

[Event "St Petersburg Amir Cup Rapid"]
[Site "St Petersburg"]
[Date "2021.05.22"]
[Round "9"]
[White "Kretov, Evgenij"]
[Black "Sek, Konstantin"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2269"]
[BlackElo "2432"]
[PlyCount "80"]
[EventDate "2021.05.22"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. e4 d6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 Qh4+ 10. g3 Qd8 11. Nf3 0-0 12. 0-0 Na6 13. Re1 Nc7 14. Bc4 Nb6 15. Bf1 a5 16. Be3 Bg4 17. h3 Bxf3 18. Qxf3 Na6 19. Rad1 Nb4 20. Rd2 Qd7 21. Kh2 Rac8 22. Bb5 Qd8 23. Bf2 c4 24. e5 dxe5 25. fxe5 Nd3 26. Rxd3 cxd3 27. Qxd3 Nd7 28. Bd4 Qe7 29. e6 Nc5 30. Bxc5 Qxc5 31. Ne4 Qb4 32. Re2 fxe6 33. dxe6 Rc1 34. Qd5 Kh8 35. Ng5 Re1 36. Nf7+ Kg8 37. Nh6+ Kh8 38. Nf7+ Kg8 39. Nh6+ Kh8 40. Nf7+ Kg8 1/2-1/2

[Event "St Petersburg Amir Cup Rapid"]
[Site "St Petersburg"]
[Date "2021.05.22"]
[Round "3"]
[White "Kundianok, Vladislav"]
[Black "Sek, Konstantin"]
[Result "1/2-1/2"]
[ECO "A77"]
[WhiteElo "2159"]
[BlackElo "2432"]
[PlyCount "118"]
[EventDate "2021.05.22"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. e4 0-0 9. Be2 Nbd7 10. 0-0 Re8 11. a4 Ne5 12. h3 g5 13. Ra3 Ng6 14. Re1 a6 15. a5 Rb8 16. Bf3 Ne5 17. Be2 b5 18. axb6 Rxb6 19. Nf3 Nxf3+ 20. Bxf3 Nd7 21. Bg4 h6 22. Qc2 Ne5 23. Bxc8 Qxc8 24. f4 gxf4 25. Bxf4 Qb7 26. Na4 Rb4 27. Rg3 Ng6 28. Bd2 Rd4 29. Bc3 Qe7 30. Bxd4 Bxd4+ 31. Kh1 Qh4 32. Qd3 h5 33. e5 Rxe5 34. Rxg6+ fxg6 35. Qxg6+ Kh8 36. Qh6+ Kg8 37. Qg6+ Kh8 38. Rf1 Re1 39. Qh6+ Kg8 40. Qg6+ Kh8 41. Qh6+ Kg8 42. Qg6+ Bg7 43. Rxe1 Qxe1+ 44. Kh2 Qe5+ 45. Kh1 Qxd5 46. Nb6 Qe5 47. Nd7 Qe7 48. Nb6 h4 49. Kh2 Qf6 50. Qe8+ Bf8 51. Nd5 Qe5+ 52. Qxe5 dxe5 53. g3 hxg3+ 54. Kxg3 Kf7 55. Kf3 Bd6 56. Ke4 Kg6 57. Nb6 Kg5 58. Nc4 Bc7 59. Nxe5 Kh4 1/2-1/2

[Event "St Petersburg Amir Cup Rapid"]
[Site "St Petersburg"]
[Date "2021.05.22"]
[Round "1"]
[White "Saulin, Grigoriy"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "1194"]
[BlackElo "2432"]
[PlyCount "74"]
[EventDate "2021.05.22"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. Nf3 d6 5. Be2 g6 6. d4 Bg7 7. Bf4 0-0 8. 0-0 Nc6 9. exd6 cxd6 10. Nc3 Bg4 11. Qc2 Bxf3 12. Bxf3 Nxd4 13. Qe4 Nxc4 14. Nd5 e6 15. Ne3 Nd2 16. Qxb7 N4xf3+ 17. gxf3 Nxf1 18. Rxf1 d5 19. Ng4 g5 20. Bd2 h5 21. Ne3 Qf6 22. Ng2 Rab8 23. Qa6 Rxb2 24. Bc1 Rb1 25. Qd3 Ra1 26. a3 Rc8 27. Be3 Rxf1+ 28. Kxf1 Qxf3 29. Ne1 Qh3+ 30. Ke2 d4 31. Qa6 Rb8 32. Bd2 Rb2 33. Qc6 Qc3 34. Qa8+ Bf8 35. Nf3 g4 36. Qe4 Qxf3+ 37. Qxf3 gxf3+ 0-1

[Event "St Petersburg Amir Cup Rapid"]
[Site "St Petersburg"]
[Date "2021.05.22"]
[Round "8"]
[White "Sek, Konstantin"]
[Black "Alekseev, Evgeny V"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2432"]
[BlackElo "2617"]
[PlyCount "104"]
[EventDate "2021.05.22"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. f4 Qc7 7. Nb3 b5 8. Bd3 d6 9. 0-0 Nf6 10. Kh1 Be7 11. e5 dxe5 12. fxe5 Nd7 13. Bf4 Ncxe5 14. Qe2 Bb7 15. Rae1 Bf6 16. Ne4 Bxe4 17. Qxe4 Rc8 18. Nd4 Qb6 19. Bxe5 Nxe5 20. Nf3 Nxd3 21. cxd3 0-0 22. Re2 Rfd8 23. h4 Qc6 24. Qe3 Qd5 25. Rd2 Qxa2 26. g4 Qd5 27. g5 Bd4 28. Qf4 Rd7 29. h5 g6 30. h6 Bh8 31. d4 a5 32. Re2 a4 33. Kh2 Qf5 34. Qg3 Qd3 35. Rd2 Qe4 36. Rdf2 b4 37. Re1 Qd3 38. Rd2 Qf5 39. Rf2 Rdc7 40. Ne5 Rc2 41. Rxc2 Qxc2+ 42. Kg1 Qd2 43. Nf3 Qxb2 44. d5 exd5 45. Qc7 Rf8 46. Qd6 a3 47. Ne5 Qd4+ 48. Kg2 Qd2+ 49. Kf1 Qf4+ 50. Kg2 Qxg5+ 51. Kf1 Qf4+ 52. Kg2 Bxe5 0-1

[Event "St Petersburg Amir Cup Rapid"]
[Site "St Petersburg"]
[Date "2021.05.22"]
[Round "2"]
[White "Sek, Konstantin"]
[Black "Fokin, Anatoly"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2432"]
[BlackElo "1593"]
[PlyCount "75"]
[EventDate "2021.05.22"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. g4 h6 5. Bg2 e5 6. h3 c6 7. Nge2 Be7 8. a4 a5 9. 0-0 0-0 10. Be3 Qc7 11. Ng3 exd4 12. Bxd4 Ne5 13. f4 Ng6 14. Nf5 Bxf5 15. exf5 Nh4 16. Bh1 d5 17. Qe1 Nh7 18. f6 Bxf6 19. Bxf6 Nxf6 20. Qxh4 Qb6+ 21. Qf2 Qxb2 22. Qd2 Qb6+ 23. Kh2 Qc7 24. Rae1 Rfe8 25. Bf3 g5 26. Kg2 gxf4 27. Qd4 Qd6 28. Ne2 Ne4 29. c4 f5 30. cxd5 cxd5 31. Rd1 Rad8 32. Nc3 fxg4 33. Bxe4 f3+ 34. Bxf3 gxh3+ 35. Kh1 Re5 36. Bxd5+ Kh8 37. Rf5 Rde8 38. Re1 1-0

[Event "St Petersburg Amir Cup Rapid"]
[Site "St Petersburg"]
[Date "2021.05.22"]
[Round "6"]
[White "Sek, Konstantin"]
[Black "Khodko, Yurii N"]
[Result "1-0"]
[ECO "E57"]
[WhiteElo "2432"]
[BlackElo "2037"]
[PlyCount "163"]
[EventDate "2021.05.22"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. c3 cxd4 6. cxd4 dxe4 7. Nxe4 Bb4+ 8. Nc3 Be7 9. Nf3 0-0 10. 0-0 Nc6 11. a3 b6 12. Re1 Bb7 13. Bc2 Rc8 14. Qd3 Re8 15. d5 exd5 16. Bg5 g6 17. Rxe7 Qxe7 18. Nxd5 Nxd5 19. Bxe7 Ncxe7 20. Re1 Nf5 21. Rxe8+ Rxe8 22. Qb5 Rc8 23. Qd3 Nf4 24. Qd2 Ne6 25. Bxf5 gxf5 26. h3 Be4 27. Ng5 Rd8 28. Qc1 Nd4 29. Kh2 Re8 30. Qc4 Ne6 31. Nxe4 fxe4 32. Qxe4 Rd8 33. f4 Rd4 34. Qa8+ Kg7 35. f5 Nf4 36. f6+ Kg6 37. Qg8+ Kf5 38. Qxh7+ Ke6 39. Qc2 Kxf6 40. Qf2 Ke5 41. h4 f5 42. Qe3+ Re4 43. Qc3+ Ke6 44. Qc8+ Kf6 45. Qh8+ Kg6 46. Qg8+ Kf6 47. Qg5+ Ke5 48. h5 Ne6 49. Qe7 Kf4 50. h6 Ng5 51. Qd6+ Kg4 52. Qg6 Re7 53. Kg1 f4 54. Qg8 Kh5 55. Qf8 Rf7 56. Qh8 Rh7 57. Qe5 Kg4 58. Qf6 Rf7 59. Qg6 f3 60. gxf3+ Rxf3 61. h7 Rh3 62. Kg2 Rxh7 63. Qd6 Rf7 64. Qd4+ Rf4 65. Qd7+ Rf5 66. Qxa7 b5 67. Qd4+ Rf4 68. Qd7+ Rf5 69. b3 Ne4 70. a4 bxa4 71. bxa4 Kf4 72. Qc7+ Ke3 73. a5 Rc5 74. Qb6 Ke2 75. a6 Rg5+ 76. Kh3 Kf3 77. Kh4 Kf4 78. Qh6 Kf5 79. Qxg5+ Nxg5 80. a7 Nf3+ 81. Kg3 Nd4 82. a8Q 1-0

[Event "St Petersburg Amir Cup Rapid"]
[Site "St Petersburg"]
[Date "2021.05.22"]
[Round "4"]
[White "Sek, Konstantin"]
[Black "Putrenko, Kirill"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "2432"]
[BlackElo "2132"]
[PlyCount "134"]
[EventDate "2021.05.22"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. exd5 Qxd5 9. Nc3 Qxd1+ 10. Rxd1 Bb4 11. Bb5+ Nc6 12. 0-0 a6 13. Bxc6+ bxc6 14. Bxf6 gxf6 15. Ne4 f5 16. Nec5 Ke7 17. a3 Bxc5+ 18. Nxc5 a5 19. Rfe1 f6 20. f4 e4 21. Rd4 Rhd8 22. Red1 Rxd4 23. Rxd4 Rb8 24. b3 Rb5 25. Nxe6 Kxe6 26. Kf2 h5 27. Ke3 Rd5 28. Ra4 Kd6 29. b4 axb4 30. axb4 Rd1 31. Ra8 Rc1 32. Kd2 Rf1 33. Ke3 Rc1 34. Kd2 Rh1 35. h3 Rg1 36. Rg8 h4 37. Rg6 Ke6 38. Rg7 Rb1 39. Rh7 Rg1 40. Rg7 Kd5 41. Rg6 Ke6 42. Rg7 Rf1 43. Ke3 Rb1 44. Rh7 Rg1 45. Rg7 Re1+ 46. Kd4 Re2 47. c4 Kd6 48. Rg6 Rd2+ 49. Ke3 Rd3+ 50. Ke2 Ke6 51. Rg7 Rc3 52. c5 Rc4 53. Rc7 Rxb4 54. Rxc6+ Kd5 55. Rxf6 Kxc5 56. Rxf5+ Kd4 57. Kf2 Rb2+ 58. Kg1 e3 59. Kf1 Kd3 60. Rd5+ Ke4 61. Rh5 Rb1+ 62. Ke2 Rb2+ 63. Kf1 Rf2+ 64. Ke1 Rxg2 65. Rxh4 Kf3 66. Rg4 Ra2 67. Kd1 e2+ 0-1

[Event "EU-ch Online 2300+ Final"]
[Site "Chess.com INT"]
[Date "2020.05.30"]
[Round "6"]
[White "Lysyj, Igor"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "2594"]
[BlackElo "2432"]
[PlyCount "62"]
[EventDate "2020.05.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 Bg7 8. h3 0-0 9. e3 Na6 10. Bxa6 bxa6 11. Rc1 Rb8 12. b3 Nh5 13. Bh2 f5 14. 0-0 f4 15. Re1 fxe3 16. Rxe3 Bh6 17. Ne4 Bxe3 18. fxe3 Qe7 19. Rc4 Rb6 20. Nfd2 Bb7 21. g4 Ng7 22. Nf3 Qf7 23. Bf4 Bxd5 24. Nfg5 Qb7 25. Nxd6 Qc6 26. Qc2 Rxf4 27. Rxf4 Qxd6 28. Ne4 Bxe4 29. Qxe4 Ne6 30. Rf3 Kg7 31. h4 Rb4 0-1

[Event "EU-ch Online 2300+ Final"]
[Site "Chess.com INT"]
[Date "2020.05.30"]
[Round "1"]
[White "Mickevicius, Juras"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2277"]
[BlackElo "2432"]
[PlyCount "72"]
[EventDate "2020.05.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Nbd7 10. Bf4 Qe7 11. Re1 a6 12. a4 Ng4 13. a5 Re8 14. Rc1 Nge5 15. Nxe5 Nxe5 16. Na4 Bd7 17. Nb6 Rad8 18. b4 Bb5 19. bxc5 dxc5 20. Qd2 Bf6 21. Be3 c4 22. Bd4 h5 23. Bxe5 Bxe5 24. Nxc4 Bxc4 25. Rxc4 Qf6 26. f4 Bb8 27. e4 h4 28. e5 Qe7 29. d6 Bxd6 30. Qc3 Bb8 31. e6 fxe6 32. Rb1 hxg3 33. Qxg3 Qf6 34. Bxb7 Re7 35. Be4 Bxf4 36. Qxg6+ Rg7 0-1

[Event "EU-ch Online 2300+ Final"]
[Site "Chess.com INT"]
[Date "2020.05.30"]
[Round "4"]
[White "Molchanov, Alexey"]
[Black "Sek, Konstantin"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2402"]
[BlackElo "2432"]
[PlyCount "78"]
[EventDate "2020.05.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nc7 6. Qa4+ Bd7 7. Qb3 Nc6 8. Qxb7 Nb4 9. Qe4 f5 10. Qb1 g6 11. Nf3 Bg7 12. a3 Nc6 13. d3 Rb8 14. Qc2 Nd4 15. Nxd4 cxd4 16. Nd5 Nxd5 17. Bxd5 Qa5+ 18. b4 Qxd5 19. 0-0 0-0 20. Qc7 Rb7 21. Qf4 e5 22. Qh4 Bc6 23. f3 Rbf7 24. Bg5 e4 25. Rac1 exd3 26. exd3 Bb5 27. Rc5 Qb7 28. Qf4 Bxd3 29. Rf2 Bb5 30. h4 d3 31. h5 gxh5 32. Qh4 Qd7 33. Qxh5 Bd4 34. Bh6 Bxf2+ 35. Kxf2 Qd4+ 36. Kg2 d2 37. Qg5+ Kh8 38. Qxd2 Qxd2+ 39. Bxd2 a6 0-1

[Event "EU-ch Online 2300+ Final"]
[Site "Chess.com INT"]
[Date "2020.05.30"]
[Round "7"]
[White "Nasuta, Grzegorz"]
[Black "Sek, Konstantin"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2558"]
[BlackElo "2432"]
[PlyCount "87"]
[EventDate "2020.05.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. a4 d6 7. a5 a6 8. h3 Be6 9. Nbd2 h6 10. c3 d5 11. exd5 Nxd5 12. Re1 Bf6 13. Ne4 Be7 14. Ng3 Qd6 15. Qe2 Nf4 16. Bxf4 exf4 17. Ne4 Qd7 18. Bxe6 Qxe6 19. d4 Rad8 20. Ned2 Qd7 21. Nc4 Rfe8 22. Nfe5 Nxe5 23. Nxe5 Qd5 24. Qf3 Qxf3 25. Nxf3 Bd6 26. b4 c6 27. Kf1 f6 28. Rxe8+ Rxe8 29. Re1 Rd8 30. Ke2 Kf7 31. Nd2 g5 32. Ne4 f5 33. Nxd6+ Rxd6 34. Kd3 Re6 35. Rxe6 Kxe6 36. f3 h5 37. c4 Kd6 38. c5+ Kd5 39. Kc3 g4 40. h4 Ke6 41. Kc4 Kf6 42. d5 Ke5 43. d6 Ke6 44. Kd4 1-0

[Event "EU-ch Online 2300+ Final"]
[Site "Chess.com INT"]
[Date "2020.05.30"]
[Round "2"]
[White "Sek, Konstantin"]
[Black "Galaktionov, Artem"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2432"]
[BlackElo "2319"]
[PlyCount "54"]
[EventDate "2020.05.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 c6 2. c4 g6 3. d4 Bg7 4. Nc3 d6 5. f4 Nd7 6. Nf3 e5 7. Be3 Ngf6 8. h3 0-0 9. fxe5 dxe5 10. d5 Nh5 11. Bf2 f5 12. Qc2 Bh6 13. exf5 gxf5 14. g4 Nf4 15. gxf5 cxd5 16. cxd5 Nb6 17. Rg1+ Kh8 18. Qe4 Qf6 19. Nxe5 Bxf5 20. Bd4 Bxe4 21. Nxe4 Qg7 22. Rxg7 Bxg7 23. Nc5 Rae8 24. 0-0-0 Bxe5 25. Bg1 Nbxd5 26. Nxb7 Rb8 27. Ba6 Nb4 0-1

[Event "EU-ch Online 2300+ Final"]
[Site "Chess.com INT"]
[Date "2020.05.30"]
[Round "3"]
[White "Sek, Konstantin"]
[Black "Korchmar, Vasiliy"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2432"]
[BlackElo "2451"]
[PlyCount "100"]
[EventDate "2020.05.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. Bd3 g6 8. 0-0 Bg7 9. f4 0-0 10. Kh1 Rb8 11. Qe1 Nd7 12. Rf3 Nc5 13. Bf1 d5 14. e5 Bf5 15. Bd3 Nxd3 16. cxd3 c5 17. Qh4 f6 18. g4 Bc8 19. f5 fxe5 20. fxg6 hxg6 21. Rh3 Rf1+ 22. Kg2 Rf6 23. Kg1 Rb4 24. Rg3 Rf3 25. h3 Qf8 26. Bg5 Bb7 27. Rg2 e4 28. Bxe7 Bd4+ 29. Kh2 Be5+ 30. Kg1 Bd4+ 31. Kh2 Qf7 32. Bd6 Rb6 33. Qd8+ Kg7 34. Na4 Rc6 35. Nxc5 Rxc5 36. dxe4 dxe4 37. Rd1 Rd5 38. Rxd4 Rxd6 39. Qxd6 e3 40. Qe5+ Kh7 41. Qg5 Rf2 42. Qh4+ Kg7 43. Rxf2 exf2 44. Rd1 f1Q 45. Rxf1 Qxf1 46. Qe7+ Qf7 47. Qe5+ Kh7 48. Qd4 Qc7+ 49. Kg1 Qg3+ 50. Kf1 Ba6+ 0-1

[Event "EU-ch Online 2300+ Final"]
[Site "Chess.com INT"]
[Date "2020.05.30"]
[Round "8"]
[White "Sek, Konstantin"]
[Black "Patrelakis, Evaggelos"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2432"]
[BlackElo "2259"]
[PlyCount "49"]
[EventDate "2020.05.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NET"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 c5 6. Nge2 e6 7. 0-0 Nc6 8. Nf4 Ne8 9. Rb1 Nc7 10. a3 a5 11. b3 b6 12. Bb2 Bb7 13. Na4 Bxb2 14. Rxb2 Ne8 15. d4 d6 16. d5 exd5 17. Nxd5 Ra6 18. Rd2 Ne7 19. Nf6+ Nxf6 20. Bxb7 Ra7 21. Rxd6 Qc7 22. Bg2 Nd7 23. Nc3 Nb8 24. Nb5 Ra6 25. Nxc7 1-0

