[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.04"]
[Round "6"]
[White "Kaushik, Ashwath"]
[Black "Ko, Ko Ohn"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1942"]
[BlackElo "2116"]
[PlyCount "73"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Bc4 Bg7 4. Nf3 a6 5. a4 e6 6. 0-0 Ne7 7. Bb3 Nd7 8. Bf4 0-0 9. c3 h6 10. Nbd2 b6 11. Re1 Bb7 12. Nf1 g5 13. Bg3 Ng6 14. N3d2 Nf6 15. Bc2 e5 16. Nf3 Re8 17. d5 Nh5 18. Ne3 Nhf4 19. Bxf4 gxf4 20. Nf5 Bc8 21. g3 Kh8 22. h4 Rg8 23. Kh2 Nf8 24. g4 Bxf5 25. exf5 Bf6 26. g5 hxg5 27. Nxg5 Bxg5 28. Qh5+ Kg7 29. Rg1 f6 30. hxg5 fxg5 31. Rxg5+ Qxg5 32. Qxg5+ Kf7 33. Qh5+ Ke7 34. Rg1 Rxg1 35. Kxg1 b5 36. Qg5+ Ke8 37. f6 1-0

[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.03"]
[Round "5"]
[White "Ko, Ko Ohn"]
[Black "Liem, Godwin"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2116"]
[BlackElo "1888"]
[PlyCount "90"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 Bg4 5. Be2 e6 6. h3 Bh5 7. g4 Bg6 8. Ne5 Nd7 9. Nxg6 hxg6 10. c4 N5b6 11. Nc3 e5 12. Be3 Qh4 13. Qd2 Be7 14. 0-0-0 0-0-0 15. d5 f5 16. d6 cxd6 17. Nb5 f4 18. Nxa7+ Kb8 19. Bxb6 Nxb6 20. Bf3 d5 21. cxd5 Nc4 22. Qe2 Kxa7 23. Kb1 Nd6 24. Qxe5 Bf6 25. Qxf4 Qxf2 26. Rd2 Qb6 27. g5 Bc3 28. Rc2 Rhf8 29. Qc1 Rxf3 30. Rxc3 Rxc3 31. Qxc3 Nb5 32. Qxg7 Rxd5 33. h4 Rd2 34. Qf6 Rd6 35. Qe5 Re6 36. Qg7 Qc6 37. Rd1 Re2 38. Rc1 Qe4+ 39. Ka1 Qc2 40. Rb1 Rd2 41. a3 Nxa3 42. Rf1 Qc4 43. Qf6 Nc2+ 44. Kb1 Nb4 45. Qf3 Qc2+ 0-1

[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.02"]
[Round "3"]
[White "Ko, Ko Ohn"]
[Black "Frost, Peter"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2116"]
[BlackElo "1783"]
[PlyCount "121"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. a4 d5 5. e5 f6 6. f4 fxe5 7. fxe5 Nh6 8. Bf4 0-0 9. Qd2 Nf7 10. Nf3 Bg4 11. Be2 Bxf3 12. Bxf3 e6 13. Be2 c5 14. h4 cxd4 15. Nb5 Nxe5 16. h5 Nbc6 17. Bh6 Qe7 18. 0-0-0 Rf2 19. Bxg7 Qxg7 20. hxg6 Nxg6 21. Qe1 Raf8 22. Bf3 R2xf3 23. gxf3 Qf6 24. Kb1 a6 25. Nc7 Nf4 26. Rh4 e5 27. Qg3+ Ng6 28. Rdh1 Qxf3 29. Qxf3 Rxf3 30. Rxh7 Nf4 31. Rd7 Nb4 32. Ne8 Nh3 33. Rxb7 a5 34. c3 dxc3 35. bxc3 Rxc3 36. Nf6+ Kf8 37. Ka1 d4 38. Rf1 Ra3+ 39. Kb2 Ra2+ 40. Kb3 Rf2 41. Nd7+ Ke8 42. Rxf2 Nxf2 43. Nxe5 d3 44. Nc4 Ne4 45. Rb5 d2 46. Ne3 Nf2 47. Rxa5 Nc6 48. Rd5 Ne4 49. a5 Ke7 50. a6 Ke6 51. Rh5 Nd4+ 52. Kc4 Nc2 53. Nd1 Nd6+ 54. Kc3 Na3 55. Kxd2 Nab5 56. Nc3 Na7 57. Kd3 Nc6 58. Na2 Kd7 59. a7 Nxa7 60. Rh7+ Kc6 61. Rxa7 1-0

[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.02"]
[Round "4"]
[White "Wiwatanadate, Poompong"]
[Black "Ko, Ko Ohn"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "1996"]
[BlackElo "2116"]
[PlyCount "101"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nc6 6. Nge2 e5 7. Be3 0-0 8. Qd2 exd4 9. Nxd4 Re8 10. Be2 Bd7 11. 0-0 a6 12. Rad1 Rb8 13. Nc2 Ne5 14. b4 Be6 15. Nd5 Nxd5 16. exd5 Bd7 17. c5 Ba4 18. Rc1 Qe7 19. cxd6 cxd6 20. Bg5 f6 21. Bh4 Qf7 22. f4 Nd7 23. Nd4 Nb6 24. Ne6 Bb5 25. Bxb5 axb5 26. Rc7 Re7 27. Rxe7 Qxe7 28. f5 g5 29. Bf2 Nc4 30. Qe2 Ra8 31. Rc1 Qf7 32. Rc3 Ra4 33. Bd4 Bf8 34. Qc2 Rxb4 35. Rb3 Rxb3 36. axb3 Ne5 37. Qc8 h5 38. Bxe5 fxe5 39. Nxg5 Qxd5 40. Qe6+ Qxe6 41. Nxe6 Kf7 42. Kf2 Bh6 43. Kf3 d5 44. Nc7 e4+ 45. Kf2 d4 46. Nxb5 Be3+ 47. Ke2 Ke7 48. g3 Bg1 49. Kf1 Be3 50. Ke2 Bg1 51. Kf1 1/2-1/2

[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.01"]
[Round "2"]
[White "Badmatsyrenov, Oleg"]
[Black "Ko, Ko Ohn"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2397"]
[BlackElo "2116"]
[PlyCount "77"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 Nc6 4. Bb5 Bd7 5. Nc3 Nf6 6. Nge2 a6 7. Bxc6 Bxc6 8. d4 e5 9. d5 Bd7 10. Qd3 Be7 11. Nd1 b5 12. c4 0-0 13. 0-0 Rb8 14. Bc3 Re8 15. Ne3 Ng4 16. Nxg4 Bxg4 17. Ng3 Bg5 18. cxb5 Bd7 19. Rfb1 axb5 20. b4 c4 21. Qc2 g6 22. Bd2 Qf6 23. Ne2 h5 24. Nc3 h4 25. h3 Bf4 26. Bxf4 exf4 27. f3 Qg5 28. Kh1 f5 29. a4 bxa4 30. b5 Re5 31. Rxa4 fxe4 32. Nxe4 Bf5 33. Rxc4 Qe7 34. b6 Rxd5 35. Rc7 Qd8 36. Qc4 Be6 37. Qc3 Re5 38. b7 Bf5 39. Rc1 1-0

[Event "Bangkok Olympiad Qual"]
[Site "Bangkok"]
[Date "2024.03.27"]
[Round "6"]
[White "Arunnuntapanich, Tinnakrit"]
[Black "Ko, Ko Ohn"]
[Result "1-0"]
[ECO "A60"]
[WhiteElo "2065"]
[BlackElo "2113"]
[PlyCount "85"]
[EventDate "2024.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 Be7 7. e4 0-0 8. Bd3 Bg4 9. h3 Bxf3 10. Qxf3 Nbd7 11. Be2 a6 12. a4 Rc8 13. 0-0 c4 14. Re1 Re8 15. a5 Bf8 16. Ra4 Rc5 17. Bf4 Rxa5 18. Rxc4 Ne5 19. Bxe5 Rxe5 20. Qd3 Re8 21. b4 Ra3 22. Qc2 g6 23. Qb2 Rxc3 24. Qxc3 Nxe4 25. Qc2 Nf6 26. Rd1 Qb6 27. Bf3 h5 28. Qa4 Re5 29. Qa5 Qa7 30. b5 Qa8 31. b6 Qe8 32. Rc7 g5 33. g4 hxg4 34. hxg4 Ne4 35. Rxb7 f5 36. Rc7 Nf6 37. b7 fxg4 38. Rc8 Qh5 39. Rxf8+ Kxf8 40. b8Q+ Ne8 41. Qad8 gxf3 42. Qdxd6+ Re7 43. Qc8 1-0

[Event "Bangkok Olympiad Qual"]
[Site "Bangkok"]
[Date "2024.03.27"]
[Round "7"]
[White "Ko, Ko Ohn"]
[Black "Voronin, Alexander1"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2113"]
[BlackElo "1882"]
[PlyCount "97"]
[EventDate "2024.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c4 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nc2 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Ne5 10. b3 Bd7 11. f3 Rc8 12. Be3 b6 13. Qd2 Qc7 14. Rac1 Rfe8 15. Rfd1 Bc6 16. Bf1 Qb7 17. a4 Red8 18. h3 Bd7 19. Qf2 Rb8 20. Nb4 Nc6 21. Nbd5 Re8 22. Kh1 Rbc8 23. Qh4 Be6 24. Bh6 Bxh6 25. Nxf6+ exf6 26. Qxh6 Na5 27. Rb1 f5 28. Rxd6 Red8 29. Rxd8+ Rxd8 30. Nd5 Bxd5 31. cxd5 fxe4 32. fxe4 Qe7 33. Qf4 Nb7 34. Bc4 Nc5 35. e5 Rf8 36. Rf1 a6 37. h4 h5 38. Rf3 Nd7 39. Re3 Nc5 40. Rg3 Kg7 41. Qd4 Kh7 42. Re3 Rd8 43. d6 Qd7 44. Rf3 Rf8 45. Rf6 Qd8 46. Bxf7 Kg7 47. Qd5 Nd7 48. Rxg6+ Kh7 49. Rg5 1-0

[Event "Bangkok Olympiad Qual"]
[Site "Bangkok"]
[Date "2024.03.26"]
[Round "4"]
[White "Gnanasekar, Jai Adithya"]
[Black "Ko, Ko Ohn"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "1833"]
[BlackElo "2113"]
[PlyCount "88"]
[EventDate "2024.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Bg2 Bb4+ 7. Bd2 Qxc4 8. Bxb4 Qxb4+ 9. Nc3 a6 10. a3 Qa5 11. b4 Qd8 12. e4 d6 13. 0-0 0-0 14. Qe2 e5 15. Nf5 d5 16. Rac1 d4 17. Na4 Bd7 18. Nc5 g6 19. Nxb7 Qb6 20. Ne7+ Kg7 21. Na5 Bb5 22. Nc4 Qa7 23. Nd5 Nbd7 24. Qa2 Rac8 25. Nd6 Nxd5 26. Nxc8 Qb8 27. Qxd5 Rxc8 28. Rfe1 Rd8 29. Qb3 Nb6 30. Bf1 d3 31. Red1 d2 32. Rc2 Ba4 33. Qb2 Bxc2 34. Qxc2 Qd6 35. Bxa6 Qd4 36. Bb7 f5 37. exf5 Nc4 38. fxg6 hxg6 39. Ba6 Nb2 40. Rxd2 Qxd2 41. Qc7+ Rd7 42. Qxe5+ Kh7 43. h4 Rf7 44. Qc5 Nd1 0-1

[Event "Bangkok Olympiad Qual"]
[Site "Bangkok"]
[Date "2024.03.26"]
[Round "5"]
[White "Ko, Ko Ohn"]
[Black "Badmatsyrenov, Oleg"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2113"]
[BlackElo "2405"]
[PlyCount "142"]
[EventDate "2024.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 d6 6. 0-0 Be7 7. Re1 e5 8. h3 0-0 9. c3 Re8 10. d4 exd4 11. cxd4 d5 12. exd5 Nxd5 13. dxc5 Ndb4 14. Qxd8 Rxd8 15. Na3 Bxc5 16. Be3 Bxe3 17. Rxe3 Be6 18. b3 Rd5 19. h4 h6 20. Ne1 Rd2 21. Nb5 Rad8 22. a3 Nd5 23. Bxd5 Bxd5 24. Nc7 Nd4 25. Nxd5 Rxd5 26. Nf3 Nc2 27. Re8+ Kh7 28. Ra2 Rd1+ 29. Kg2 Rc1 30. Re7 g5 31. hxg5 hxg5 32. g4 Kg6 33. Re2 Na1 34. Re7 b5 35. Rae2 Nxb3 36. Rxa7 Nd4 37. Ree7 Nc6 38. Ra6 Kg7 39. Rc7 Nb4 40. Rxc1 Nxa6 41. Rc6 Nb8 42. Rc7 Kf6 43. Ng1 Rd4 44. f3 Rd2+ 45. Kf1 Nd7 46. Ke1 Rd3 47. Rc6+ Ke5 48. Rc7 Kd6 49. Rb7 Kc6 50. Ra7 Kb6 51. Ra8 f6 52. Rd8 Kc7 53. Ra8 Nb6 54. Ra5 Rb3 55. Kf2 Kb7 56. a4 Nxa4 57. Ne2 Rb2 58. Ke3 Nb6 59. Ra1 Nc4+ 60. Kf2 b4 61. Ke1 Kb6 62. Rd1 Kc5 63. Rd8 Ne5 64. Kf2 b3 65. Ke3 Nc4+ 66. Kf2 Rxe2+ 67. Kxe2 b2 68. Rd1 Na3 69. Ke3 b1Q 70. Rxb1 Nxb1 71. f4 Kd5 0-1

[Event "Bangkok Olympiad Qual"]
[Site "Bangkok"]
[Date "2024.03.25"]
[Round "3"]
[White "Ko, Ko Ohn"]
[Black "Wongbenjarat, Supakrit"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2113"]
[BlackElo "1614"]
[PlyCount "79"]
[EventDate "2024.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Ne2 Nb4 7. 0-0 Nxd3 8. cxd3 Be7 9. Nbc3 d5 10. e5 Nd7 11. d4 0-0 12. f4 f6 13. Be3 a6 14. Qd2 b5 15. Rae1 f5 16. Kh1 Qa5 17. Rg1 b4 18. Nd1 Qxa2 19. g4 Nb6 20. Nc1 Qb1 21. Nd3 Nc4 22. Qe2 Qa2 23. Rg2 g6 24. Reg1 Bd7 25. gxf5 Rxf5 26. N1f2 Rc8 27. Ng4 Kg7 28. Bf2 Bb5 29. Nf6 Bxf6 30. exf6+ Kxf6 31. Bh4+ Kf7 32. Re1 Re8 33. Qf3 Nd6 34. b3 Qa5 35. Ne5+ Kg7 36. Reg1 Kh8 37. Nxg6+ hxg6 38. Rxg6 Nf7 39. Bf6+ Kh7 40. Qh3+ 1-0

[Event "Bangkok Olympiad Qual"]
[Site "Bangkok"]
[Date "2024.03.25"]
[Round "2"]
[White "Kosaisoonthorn, Marwin"]
[Black "Ko, Ko Ohn"]
[Result "1/2-1/2"]
[ECO "B59"]
[WhiteElo "1662"]
[BlackElo "2113"]
[PlyCount "147"]
[EventDate "2024.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 a5 10. a4 Nb4 11. Nd5 Nfxd5 12. exd5 Bf5 13. Rc1 Bg6 14. Qd2 Be4 15. c4 b6 16. f3 Bg6 17. f4 exf4 18. Bxf4 Qd7 19. Nd4 Bf6 20. Nb5 Be5 21. Bxe5 dxe5 22. Qe3 Rab8 23. Rf2 Rfe8 24. d6 f5 25. g3 Na6 26. Bd3 Nc5 27. Bc2 f4 28. gxf4 exf4 29. Qxf4 Bxc2 30. Rcxc2 Nd3 31. Qf5 Re1+ 32. Kg2 Qc6+ 33. Qd5+ Qxd5+ 34. cxd5 Re5 35. d7 Nc5 36. Rce2 Rg5+ 37. Kf1 Nxd7 38. d6 Rc8 39. Nc7 Rg6 40. Rd2 Rf8 41. Nd5 Rxf2+ 42. Kxf2 Kf8 43. Nxb6 Nxb6 44. d7 Nxd7 45. Rxd7 Rb6 46. Ra7 Rxb2+ 47. Kg3 Rb3+ 48. Kg2 h6 49. Rxa5 Kf7 50. Ra7+ Kg6 51. a5 Ra3 52. a6 Ra2+ 53. Kg3 Ra4 54. h3 Ra3+ 55. Kg2 Kf6 56. Ra8 Kg5 57. Ra7 g6 58. Ra8 h5 59. a7 Ra2+ 60. Kg1 Ra1+ 61. Kg2 Ra2+ 62. Kg3 Ra3+ 63. Kg2 Ra2+ 64. Kg3 Ra3+ 65. Kg2 Kh4 66. Rg8 Ra2+ 67. Kf3 Ra3+ 68. Kg2 Ra2+ 69. Kf3 Rxa7 70. Rxg6 Kxh3 71. Rg3+ Kh2 72. Rg2+ Kh1 73. Rg5 h4 74. Kg4 1/2-1/2

[Event "Bangkok Olympiad Qual"]
[Site "Bangkok"]
[Date "2024.03.24"]
[Round "1"]
[White "Ko, Ko Ohn"]
[Black "Bunkangwan, Veerasaroot"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "2113"]
[PlyCount "99"]
[EventDate "2024.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 g6 7. Nc3 Bg7 8. Be2 0-0 9. Nc2 Nbd7 10. 0-0 Qb6+ 11. Kh1 Ne5 12. Rb1 Be6 13. b3 Qc7 14. a4 Rac8 15. Be3 Nfd7 16. Nd4 Nc5 17. Qd2 Nc6 18. Nxe6 fxe6 19. h4 Bf6 20. h5 Ne5 21. f4 Nf7 22. hxg6 hxg6 23. Bd4 Kg7 24. g4 Rh8+ 25. Kg2 Bxd4 26. Qxd4+ e5 27. fxe5 Nxe5 28. Nd5 Qd8 29. g5 Ne6 30. Qe3 Rh4 31. Rh1 Qh8 32. Qg3 Rxh1 33. Rxh1 Qf8 34. Qh3 Qg8 35. Rf1 Nxg5 36. Qh4 Nef7 37. Nxe7 Qh8 38. Qf4 Qh3+ 39. Kg1 Qe6 40. Bg4 Qxe7 41. Bxc8 Qd8 42. Bg4 Qb6+ 43. Kh1 Qxb3 44. Be6 Qc3 45. Bxf7 Qh3+ 46. Kg1 Nxf7 47. Qxf7+ Kh6 48. Qf8+ Kg5 49. Qf4+ Kh5 50. Qf3+ 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2024.02.26"]
[Round "7"]
[White "Gutsulyak, Nikolay"]
[Black "Ko, Ko Ohn"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1729"]
[BlackElo "2126"]
[PlyCount "69"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 e5 6. Nge2 Nf6 7. 0-0 Be7 8. f4 exf4 9. Nxf4 d6 10. Qf3 0-0 11. Nce2 Ng4 12. Ng3 Ne5 13. Qe3 Bg5 14. Qe1 Bh4 15. Qe3 Bg5 16. Qe1 Bh4 17. Qe3 Rb8 18. b3 Ng4 19. Qf3 Bf6 20. Rb1 Bd4+ 21. Kh1 g6 22. Nh3 Ne5 23. Qf4 Bxh3 24. gxh3 Qe7 25. Be3 Bxe3 26. Qxe3 Qh4 27. Kg2 Rbe8 28. Rf4 Qh6 29. Qf2 Qg7 30. Rf1 Re6 31. Kh1 Kh8 32. Rh4 Nd7 33. Rf4 Ne5 34. Rh4 Nd7 35. Rf4 1/2-1/2

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2024.02.26"]
[Round "6"]
[White "Ko, Ko Ohn"]
[Black "Salvador, Louie"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2126"]
[BlackElo "2143"]
[PlyCount "86"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bc4 e6 7. a4 Ngf6 8. Nc3 Be7 9. Bg5 0-0 10. 0-0 b6 11. e5 dxe5 12. Nxe5 Nxe5 13. Qxe5 Bb7 14. Bd3 Nd7 15. Bxe7 Nxe5 16. Bxd8 Rfxd8 17. Rad1 Nxd3 18. Rxd3 Rxd3 19. cxd3 Rd8 20. Rd1 Rd4 21. b3 Kf8 22. f3 Ke7 23. Kf2 Kd6 24. Ke3 e5 25. Kd2 f5 26. Ne2 Rh4 27. h3 Rb4 28. Kc3 a5 29. d4 e4 30. fxe4 Bxe4 31. h4 Bxg2 32. Rg1 Bd5 33. Nc1 g6 34. h5 Bf7 35. h6 b5 36. axb5 Rxb5 37. Rg2 f4 38. Rg4 g5 39. d5 Rc5+ 40. Kb2 Rxd5 41. Ka3 f3 42. Rg3 Bh5 43. Rg1 g4 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2024.02.25"]
[Round "4"]
[White "Ko, Ko Ohn"]
[Black "Wiwatanadate, Poompong"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2126"]
[BlackElo "1986"]
[PlyCount "102"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 h6 8. Bh4 d6 9. f4 Bg4 10. Qc1 Be2 11. c3 Bxc4 12. cxd4 Bxf1 13. Qxf1 c6 14. dxe5 dxe5 15. Nc3 Qb6+ 16. Kh1 Qxb2 17. Qe1 0-0-0 18. fxe5 g5 19. Bf2 Nh5 20. Na4 Qd2 21. Qg1 Qe2 22. Bxa7 Ng3+ 23. hxg3 Qh5+ 24. Qh2 Rd1+ 25. Rxd1 Qxd1+ 26. Bg1 Qxa4 27. Qh3+ Kc7 28. Qf5 Qxa2 29. Qf6 Rd8 30. Qe7+ Rd7 31. Qb4 Qa6 32. Kh2 b6 33. Qf8 Qa1 34. Qb4 Qa5 35. Qb3 Qb5 36. Qa2 Kb7 37. e6 fxe6 38. Qxe6 Qd3 39. Qe8 Qd6 40. Qg8 Re7 41. Qb3 c5 42. Qb1 Qc6 43. Qb3 Rxe4 44. Qf7+ Ka6 45. Qa2+ Qa4 46. Qf2 Qc4 47. Qf3 Kb5 48. Bf2 g4 49. Qf5 Qe6 50. Qf8 Re5 51. Qd8 Qd5 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2024.02.25"]
[Round "5"]
[White "Rolston, Daniel Haruma"]
[Black "Ko, Ko Ohn"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1592"]
[BlackElo "2126"]
[PlyCount "56"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. dxc5 Nc6 5. cxd6 Nxe4 6. Be3 e6 7. Bd3 Nxd6 8. Nd2 Be7 9. Qc2 h6 10. Ngf3 Bd7 11. Ne4 Nxe4 12. Bxe4 Qc7 13. 0-0-0 0-0-0 14. Rhe1 Na5 15. Bd4 f6 16. Nh4 Qf4+ 17. Kb1 Qxh4 18. Bxa7 Kc7 19. Rxd7+ Rxd7 20. Qa4 Rd5 21. b4 Nc6 22. Bxd5 exd5 23. Qb5 Qc4 24. Qb6+ Kc8 25. Rxe7 Nxe7 26. Qe6+ Kd8 27. Bb6+ Ke8 28. Qd6 Kf7 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2024.02.24"]
[Round "2"]
[White "Ko, Ko Ohn"]
[Black "Frost, Peter"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "2126"]
[BlackElo "1637"]
[PlyCount "83"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 e6 7. Nc3 Be7 8. Be2 0-0 9. Nc2 b6 10. 0-0 Bb7 11. Be3 a6 12. Bf2 Qc7 13. Rc1 Rac8 14. Ne3 Qb8 15. g4 Rfe8 16. f4 Rcd8 17. g5 Nd7 18. h4 Nc5 19. Bg3 Bf8 20. Bf3 b5 21. Re1 b4 22. Nb1 Qa8 23. Ng4 Ne7 24. Qc2 Nf5 25. Bf2 Rc8 26. Nd2 a5 27. b3 Ne7 28. Qb1 Red8 29. Nf1 Nf5 30. Bg2 Ne7 31. Ng3 Ng6 32. Nh5 d5 33. exd5 exd5 34. f5 Nh8 35. f6 g6 36. Ng7 Bxg7 37. fxg7 dxc4 38. gxh8Q+ Kxh8 39. Bxb7 Qxb7 40. Rxc4 Qf3 41. Qa1+ Kg8 42. Nh6+ 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2024.02.24"]
[Round "3"]
[White "Nodon, Jeremi"]
[Black "Ko, Ko Ohn"]
[Result "0-1"]
[ECO "E22"]
[WhiteElo "1801"]
[BlackElo "2126"]
[PlyCount "76"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. Nf3 Nc6 6. e3 0-0 7. a3 Bxc3+ 8. Qxc3 b6 9. dxc5 bxc5 10. b4 Ne4 11. Qc2 f5 12. Bd3 cxb4 13. Bxe4 b3 14. Qxb3 fxe4 15. Nd4 Qf6 16. 0-0 Rb8 17. Qa4 Ne5 18. Qxa7 Rb7 19. Qa4 Rc7 20. Bd2 Rxc4 21. Qa7 h6 22. Bb4 Rf7 23. Bd6 Nd3 24. Bg3 Kh7 25. Rab1 d5 26. Qa8 Bd7 27. Rb8 Ra4 28. Rh8+ Kg6 29. Qg8 Rxa3 30. Ne2 Ra1 31. Nd4 Rxf1+ 32. Kxf1 e5 33. Nf3 exf3 34. Qh7+ Kh5 35. Qxd3 Bf5 36. Qxd5 Qa6+ 37. Kg1 Qa1+ 38. Qd1 Qxd1# 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2024.02.23"]
[Round "1"]
[White "Pinphetsawan, Sirikwan"]
[Black "Ko, Ko Ohn"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1409"]
[BlackElo "2126"]
[PlyCount "76"]
[EventDate "2024.02.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nb3 Be6 8. f3 Nbd7 9. Be3 Be7 10. 0-0 0-0 11. Qd2 Re8 12. h3 Qc7 13. f4 Rac8 14. f5 Bc4 15. Rad1 b5 16. Qf2 b4 17. Ne2 d5 18. exd5 Nxd5 19. Kh1 Nxe3 20. Qxe3 Nf6 21. Ng3 Bf8 22. Ne4 Nd5 23. Qg3 Kh8 24. f6 g6 25. h4 Nf4 26. Ng5 Kg8 27. Bxc4 Qxc4 28. Rf2 Rcd8 29. Re1 Nh5 30. Qf3 Qxh4+ 31. Nh3 e4 32. Qe3 Bh6 33. Qb6 e3 34. Rfe2 Ng3+ 35. Kh2 Nxe2 36. Rxe2 Bf4+ 37. Kh1 Rd1+ 38. Re1 Rxe1# 0-1

[Event "Bangkok Rooky op"]
[Site "Bangkok"]
[Date "2023.10.23"]
[Round "7"]
[White "Ko, Ko Ohn"]
[Black "Djabri, Zafer M"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2145"]
[BlackElo "1891"]
[PlyCount "77"]
[EventDate "2023.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Ng1 Nb8 4. Nf3 Nc6 5. d4 cxd4 6. Nxd4 e5 7. Ne2 Nf6 8. Nbc3 Bc5 9. Ng3 d6 10. Be2 0-0 11. 0-0 Be6 12. Bg5 Nd4 13. Nh5 Kh8 14. Kh1 Nxe2 15. Nxe2 Bg4 16. Bxf6 gxf6 17. Nhg3 Be6 18. f4 Rg8 19. Nc3 Qf8 20. Qh5 Rg6 21. Nf5 Bxf5 22. exf5 Rh6 23. Qf3 Qg7 24. Ne4 Bb6 25. Nxd6 exf4 26. Nxb7 Rh4 27. Nd6 Rg8 28. Rae1 Bc5 29. Ne4 Bd4 30. c3 Be5 31. Re2 Qh6 32. h3 Rhg4 33. Rd2 Rg3 34. Nxg3 Rxg3 35. Qa8+ Kg7 36. Rd8 Rxh3+ 37. gxh3 Qxh3+ 38. Kg1 Qe3+ 39. Rf2 1-0

[Event "Bangkok Rooky op"]
[Site "Bangkok"]
[Date "2023.10.23"]
[Round "6"]
[White "Nguyen, Thi Minh Oanh"]
[Black "Ko, Ko Ohn"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1880"]
[BlackElo "2145"]
[PlyCount "111"]
[EventDate "2023.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. Bxf6 gxf6 4. d5 Qb6 5. Qc1 Bh6 6. e3 f5 7. g3 e5 8. Ne2 Qd6 9. Bg2 b5 10. c4 bxc4 11. Na3 Ba6 12. Nxc4 Bxc4 13. Qxc4 Na6 14. 0-0 Rb8 15. Qc2 e4 16. Rfd1 Nb4 17. Qc4 Nd3 18. Rxd3 exd3 19. Qxd3 Qf6 20. Nc3 Rxb2 21. Rc1 d6 22. Bh3 0-0 23. Bxf5 Kh8 24. g4 Rg8 25. Kh1 Qh4 26. Rc2 Rxc2 27. Qxc2 Qh3 28. Kg1 Qf3 29. h3 Qxh3 30. Ne4 Rd8 31. Nxd6 Rxd6 32. g5 Qh4 33. gxh6 Rxh6 34. Be4 Qf6 35. Kf1 Rh2 36. Kg1 Rh5 37. Kf1 Qa1+ 38. Ke2 Rh2 39. d6 Qf6 40. Bf3 Qxd6 41. Qf5 Rh6 42. Qxf7 Rf6 43. Qe8+ Rf8 44. Qh5 Rd8 45. Kf1 Rg8 46. Be2 Rg6 47. f4 Qf6 48. Kf2 Qa1 49. Bf1 Qxa2+ 50. Kf3 Qa1 51. Bd3 Qd1+ 52. Be2 Qd6 53. Bd3 Qxd3 54. Qe5+ Kg8 55. Qe8+ Kg7 56. Qe7+ 1/2-1/2

[Event "Bangkok Rooky op"]
[Site "Bangkok"]
[Date "2023.10.22"]
[Round "5"]
[White "Ko, Ko Ohn"]
[Black "Lim, Xiao Xian Tobias"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2145"]
[BlackElo "1429"]
[PlyCount "122"]
[EventDate "2023.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Nf6 7. a3 a6 8. Be2 Be7 9. f4 d6 10. Qd3 Bd7 11. Nb3 b5 12. g4 b4 13. Na4 bxa3 14. bxa3 d5 15. Nb6 Rb8 16. exd5 Rxb6 17. Bxb6 Qxb6 18. dxc6 Bxc6 19. Rf1 0-0 20. Qxa6 Qc7 21. Qa5 Qb8 22. 0-0-0 Nd5 23. Nd4 Rc8 24. Nxc6 Rxc6 25. Rxd5 exd5 26. Bd3 Re6 27. g5 Bd6 28. Qa4 Qf8 29. Kb2 Re8 30. Rf3 Ra8 31. Qd4 Bxa3+ 32. Kc3 Bb4+ 33. Kb2 Qb8 34. Kc1 Ra3 35. Kd1 Qe8 36. Re3 Ra1+ 37. Qxa1 Qxe3 38. Qa8+ Bf8 39. Qxd5 Qxf4 40. Qe4 Qxh2 41. Qd5 g6 42. Bc4 Qd6 43. Ke2 Qxd5 44. Bxd5 Be7 45. c4 Bxg5 46. c5 Bd8 47. Kd3 Kg7 48. Ke4 Kf6 49. Bb3 h5 50. Bc4 g5 51. Be2 g4 52. Bc4 Bc7 53. Bd3 Kg5 54. Kd5 h4 55. Ke4 f5+ 56. Ke3 f4+ 57. Kf2 f3 58. Be4 Kf4 59. Bb7 Be5 60. Kf1 g3 61. Bc8 g2+ 0-1

[Event "Bangkok Rooky op"]
[Site "Bangkok"]
[Date "2023.10.22"]
[Round "4"]
[White "Sanjay, Vasu"]
[Black "Ko, Ko Ohn"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "1676"]
[BlackElo "2145"]
[PlyCount "78"]
[EventDate "2023.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Bd7 4. Ng1 Bc8 5. Nf3 cxd4 6. Nxd4 Nf6 7. Nc3 Nc6 8. Bg5 e6 9. Qd2 a6 10. 0-0-0 Bd7 11. Re1 Be7 12. f4 h6 13. Bh4 g5 14. fxg5 Ng4 15. Nxc6 Bxc6 16. Be2 Ne5 17. Kb1 hxg5 18. Bg3 b5 19. Rhf1 b4 20. Nd1 Bxe4 21. Qxb4 Bg6 22. Bxa6 0-0 23. Bb5 Qc7 24. Nc3 Rfb8 25. a4 Bf8 26. h4 Rxb5 27. axb5 Nc4 28. b6 Nxb6 29. Rf6 Nc4 30. Rxg6+ fxg6 31. Nb5 Qc8 32. c3 Ra6 33. Kc2 e5 34. Na3 d5 35. Qb5 Ra5 36. Qb3 Bxa3 37. bxa3 Rxa3 38. Qb4 Qf5+ 39. Kd1 Qd3+ 0-1

[Event "Bangkok Rooky op"]
[Site "Bangkok"]
[Date "2023.10.21"]
[Round "3"]
[White "Ko, Ko Ohn"]
[Black "Gudmundsson, Petur Steinn"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2145"]
[BlackElo "1530"]
[PlyCount "57"]
[EventDate "2023.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nc2 Nf6 7. Nc3 Bc5 8. Be2 0-0 9. 0-0 h6 10. Kh1 a6 11. f4 exf4 12. Bxf4 Re8 13. Qd3 Ne5 14. Qg3 Ng6 15. e5 Nh7 16. Bh5 Nxf4 17. Qxf4 Rf8 18. Ne4 Be7 19. Bxf7+ Kh8 20. Nd4 Bg5 21. Qg3 Bh4 22. Qd3 Qe7 23. Nf5 Qxf7 24. Nxh4 Qh5 25. Qg3 Rxf1+ 26. Rxf1 Qe2 27. Ng6+ Kg8 28. Qf4 Qxc4 29. Nf6+ 1-0

[Event "Bangkok Rooky op"]
[Site "Bangkok"]
[Date "2023.10.20"]
[Round "2"]
[White "Chong, Hao Ern"]
[Black "Ko, Ko Ohn"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "1604"]
[BlackElo "2145"]
[PlyCount "55"]
[EventDate "2023.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 gxf6 12. a3 Rb8 13. g5 fxg5 14. f5 Nf6 15. fxe6 fxe6 16. Bh3 Kf7 17. Rhf1 Qc5 18. e5 Qxe5 19. Nc6 Qf4+ 20. Qxf4 gxf4 21. Nxb8 Bb7 22. Nxa6 Bxa6 23. Rxf4 e5 24. Rf2 b4 25. axb4 Rb8 26. Nd5 Bc4 27. Nxf6 Bxf6 28. Rxd6 1-0

[Event "Bangkok Rooky op"]
[Site "Bangkok"]
[Date "2023.10.20"]
[Round "1"]
[White "Ko, Ko Ohn"]
[Black "Govindasamy, Kanes"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2145"]
[BlackElo "1391"]
[PlyCount "135"]
[EventDate "2023.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "THA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 e6 6. g3 Be7 7. Bg2 Qc7 8. 0-0 Nbd7 9. d3 0-0 10. Ned2 b6 11. b3 Bb7 12. Bb2 c5 13. Rfe1 Rad8 14. a4 a6 15. Nc4 Nd5 16. Nfe5 N7f6 17. Bh3 Bc8 18. f4 b5 19. axb5 axb5 20. Na5 Rd6 21. c4 bxc4 22. Nexc4 Ra6 23. Be5 Qd8 24. Bg2 Nb4 25. Red1 Nfd5 26. Kh1 Bf6 27. Qb2 Qe7 28. Be4 Rd8 29. d4 Bxe5 30. dxe5 Qc7 31. Re1 h6 32. Ra3 Nb6 33. Nd6 N6d5 34. Rea1 Qa7 35. Nac4 Rxa3 36. Rxa3 Qb8 37. Qa1 Bd7 38. Ra7 Bc6 39. Nxf7 Rd7 40. Rxd7 Bxd7 41. Nfd6 Nc6 42. Qa3 Ndb4 43. h4 Na7 44. Qa5 Nbc6 45. Qb6 Kh8 46. Qb7 Qxb7 47. Nxb7 Nd4 48. Nxc5 Bb5 49. Nd2 Ne2 50. Kg2 Nd4 51. Kf2 Nac6 52. Ke3 Nf5+ 53. Bxf5 exf5 54. Nf3 Ne7 55. Nd4 Be8 56. Kd3 g6 57. Kc4 Kg7 58. b4 g5 59. hxg5 hxg5 60. Nce6+ Kg6 61. fxg5 Bf7 62. Kc5 Kh5 63. Kd6 Nc8+ 64. Kc7 Ne7 65. b5 Nd5+ 66. Kd6 Nb6 67. Nxf5 Kg4 68. Nh6+ 1-0

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.26"]
[Round "5"]
[White "Koganti, Ashleesh"]
[Black "Ko, Ko Ohn"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1722"]
[BlackElo "2169"]
[PlyCount "103"]
[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. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 0-0 7. 0-0 b6 8. cxd5 exd5 9. Qc2 Bb7 10. Bf4 Nc6 11. Nc3 a6 12. Rfd1 Re8 13. Rac1 h6 14. Ne5 Nb4 15. Qf5 Bc8 16. Qb1 Bb7 17. a3 Nc6 18. Nxc6 Bxc6 19. Bxc7 Qd7 20. b4 a5 21. Be5 Rad8 22. Bxf6 Bxf6 23. e3 h5 24. Qc2 Ba8 25. h3 h4 26. g4 g6 27. Qa2 Qd6 28. Ne2 Bg5 29. Qd2 Re7 30. Rc3 Rde8 31. Rdc1 Bb7 32. R1c2 Rd7 33. Nc1 f5 34. Bf3 f4 35. exf4 Bxf4 36. Qd3 Re1+ 37. Kg2 Rde7 38. Ne2 Bh2 39. Rc1 R1xe2 40. Bxe2 Bf4 41. R1c2 Be3 42. Bf1 Bf4 43. Re2 Rf7 44. Qd1 Qf6 45. Kg1 Bd6 46. Bg2 Qf4 47. Qd3 Kg7 48. Rcc2 Qh2+ 49. Kf1 Bg3 50. Re6 Kg8 51. Qxg6+ Kf8 52. Rce2 1-0

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.24"]
[Round "3"]
[White "Attefall, Fredrik"]
[Black "Ko, Ko Ohn"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1936"]
[BlackElo "2169"]
[PlyCount "68"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 e6 7. Nc3 Qc7 8. Be3 b6 9. Qd2 Bb7 10. Be2 Nbd7 11. 0-0 Be7 12. Rac1 0-0 13. Rfd1 Rfe8 14. g3 Bf8 15. Kg2 Rac8 16. Qe1 Qb8 17. Qf2 Qa8 18. Nb3 d5 19. cxd5 exd5 20. exd5 Rxc3 21. bxc3 Nxd5 22. Bd4 N7f6 23. h3 Nh5 24. Kf1 Qc8 25. g4 Ndf4 26. Rc2 Nxh3 27. Qh4 N5f4 28. Nc1 Qc6 29. Re1 a5 30. Bf2 h6 31. c4 Ba6 32. Qg3 Bd6 33. Qh2 Rxe2 34. Nxe2 Bxc4 0-1

[Event "Phuket Blue Chevaliers op"]
[Site "Phuket"]
[Date "2023.07.24"]
[Round "2"]
[White "Ko, Ko Ohn"]
[Black "Nisban, Cyrus"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2169"]
[BlackElo "1839"]
[PlyCount "87"]
[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. f4 Nc6 3. Bb5 Nd4 4. Bf1 d5 5. c3 Nc6 6. e5 Qb6 7. Qf3 e6 8. Na3 h5 9. Bb5 Nge7 10. Nh3 Nf5 11. Bd3 Nce7 12. Bc2 Bd7 13. 0-0 g6 14. Kh1 Bg7 15. Rb1 Qc7 16. Qf2 d4 17. Be4 Bc6 18. d3 f6 19. Nc4 fxe5 20. Ng5 Bd7 21. Nxe5 Bxe5 22. fxe5 Qxe5 23. Bf4 Qg7 24. Bxb7 0-0 25. Qe2 Rae8 26. Nxe6 Nc6 27. Nxg7 Rxe2 28. Nxf5 Rxf5 29. Kg1 dxc3 30. bxc3 Rxa2 31. Bh6 Rxf1+ 32. Kxf1 Bf5 33. Rd1 Kh7 34. Bf4 Na5 35. Bd5 Rb2 36. h3 Nb3 37. Bc4 a5 38. Kg1 a4 39. Re1 g5 40. Bxg5 a3 41. Re7+ Kg6 42. h4 Bg4 43. Bg8 a2 44. Bh7# 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.07"]
[Round "7"]
[White "Ko, Ko Ohn"]
[Black "Frost, Peter"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2180"]
[BlackElo "1671"]
[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. f4 d5 2. Nf3 g6 3. e3 Bg7 4. d4 Nh6 5. c4 e6 6. Nc3 0-0 7. Bd3 c6 8. Qc2 f6 9. 0-0 Na6 10. a3 Nf7 11. e4 Nc7 12. e5 f5 13. c5 Bd7 14. Be3 h6 15. Qd2 Kh7 16. b4 Rg8 17. g4 Bf8 18. g5 hxg5 19. fxg5 Be7 20. h4 Kg7 21. a4 Rh8 22. Bf2 Rh5 23. Kg2 Bxg5 24. hxg5 Nxg5 25. Nxg5 Qxg5+ 26. Qxg5 Rxg5+ 27. Kf3 Rh8 28. Rh1 Rgh5 29. Rxh5 Rxh5 30. Rg1 g5 31. Kg2 a6 32. Be2 g4 33. Rh1 Rxh1 34. Kxh1 Kg6 35. Bh4 Ne8 36. Bd3 Kh5 37. Be7 Ng7 38. Ne2 Kg6 39. Nf4+ Kf7 40. Bh4 Ne8 41. Kg2 Ng7 42. Kg3 Ne8 43. Nh5 Kg6 44. Nf6 Nxf6 45. exf6 Be8 46. Kf4 Kh5 47. Bg3 Bf7 48. a5 Bg8 49. Bxa6 bxa6 50. b5 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.07"]
[Round "6"]
[White "Wongsawan, Thoetsak"]
[Black "Ko, Ko Ohn"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "1857"]
[BlackElo "2180"]
[PlyCount "45"]
[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 Nc6 6. Bc4 Qb6 7. Nb3 e6 8. Be3 Qc7 9. g4 h6 10. Be2 a6 11. h4 b5 12. a3 Bb7 13. Rg1 Ne5 14. f3 g6 15. g5 hxg5 16. hxg5 Nc4 17. Bxc4 bxc4 18. gxf6 cxb3 19. cxb3 Rh2 20. Rc1 Qa5 21. b4 Qh5 22. Qa4+ Kd8 23. Bb6+ 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.06"]
[Round "4"]
[White "Chua, Chee Sian Sebastien"]
[Black "Ko, Ko Ohn"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1892"]
[BlackElo "2180"]
[PlyCount "84"]
[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 c5 2. d5 d6 3. Nc3 Nf6 4. e4 e6 5. Nf3 e5 6. h3 g6 7. Nd2 Bg7 8. a4 0-0 9. Nc4 b6 10. Bg5 h6 11. Bh4 Na6 12. a5 g5 13. Bg3 b5 14. Nxb5 Nxe4 15. Bh2 Nc7 16. Nba3 f5 17. Be2 Rb8 18. 0-0 Nf6 19. Bxe5 dxe5 20. Nxe5 Ncxd5 21. Nc6 Qc7 22. Nxb8 Qxb8 23. Bf3 Nf4 24. Nc4 Be6 25. Ne3 Rd8 26. Qb1 g4 27. hxg4 fxg4 28. Bd1 Qe5 29. Ra3 h5 30. c4 Ne4 31. Re1 Nd2 32. Qc2 Nxc4 33. Rc3 Rd4 34. b3 Rd2 35. Rxc4 Rxc2 36. Nxc2 Qd6 37. Rxf4 Qxf4 38. Rxe6 Qd2 39. Ne3 Bd4 40. Rd6 Qe1+ 41. Nf1 Qxf2+ 42. Kh2 Qh4# 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.06"]
[Round "5"]
[White "Ko, Ko Ohn"]
[Black "Yang, Ching Wei Austin"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "2180"]
[BlackElo "2201"]
[PlyCount "106"]
[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 Nc6 6. Bc4 Qb6 7. Nb3 e6 8. Be3 Qc7 9. f4 a6 10. 0-0 b5 11. Bd3 Be7 12. Kh1 0-0 13. Qf3 Bb7 14. Rae1 Rac8 15. a3 Rfe8 16. Qh3 g6 17. Rf3 Bf8 18. Ref1 Bg7 19. Bf2 Nd7 20. Ne2 f5 21. Bh4 Nc5 22. Nxc5 dxc5 23. c3 Nd4 24. cxd4 fxe4 25. Bxe4 Bxe4 26. Rc3 Qd7 27. Rxc5 Rxc5 28. dxc5 Bxb2 29. Nc3 Bb7 30. Bf6 Qd2 31. Be5 Bxa3 32. Qg4 Bxc5 33. h4 b4 34. Ne2 Be4 35. h5 Bf5 36. Qf3 Qd5 37. Qg3 Qd3 38. hxg6 Qxg3 39. gxh7+ Kxh7 40. Nxg3 Bc2 41. Ra1 Ra8 42. Kh2 a5 43. Kh3 a4 44. Nh5 a3 45. g4 b3 46. Kh4 Kg6 47. Ng3 Ra4 48. Bb2 axb2 49. Rxa4 b1Q 50. Ra6 Kf7 51. Rc6 Qg1 52. Rc7+ Be7+ 53. g5 Qh2+ 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.05"]
[Round "3"]
[White "Ko, Ko Ohn"]
[Black "Badmatsyrenov, Oleg"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2180"]
[BlackElo "2446"]
[PlyCount "54"]
[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 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nxc6 bxc6 7. Bd3 e5 8. 0-0 Bc5 9. Kh1 d6 10. Qe2 Ng4 11. g3 h5 12. h4 Qd7 13. Nc3 Nh2 14. f3 Nxf1 15. Qxf1 Rb8 16. Kh2 f6 17. b3 Bd4 18. Bd2 g5 19. Rd1 gxh4 20. gxh4 Rg8 21. Ne2 Bf2 22. Be1 Bxe1 23. Rxe1 Rb7 24. Ng3 Qh7 25. Nf5 Bxf5 26. exf5 Qh6 27. f4 Rg4 0-1

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.05"]
[Round "2"]
[White "Ko, Ko Ohn"]
[Black "Wiwarin, Piyapon"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2180"]
[BlackElo "1792"]
[PlyCount "89"]
[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. c4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Nc3 Nxd5 6. Bc4 Be6 7. Qb3 Nb6 8. Bxe6 Qe7 9. Nb5 Na6 10. Nf3 Qxe6+ 11. Qxe6+ fxe6 12. 0-0 Bd6 13. Re1 Kd7 14. a3 Nc5 15. d4 Nb3 16. Rb1 Nd5 17. Bg5 Rhf8 18. Ne5+ Bxe5 19. dxe5 a6 20. Nc3 Nxc3 21. bxc3 Na5 22. Rbd1+ Kc6 23. Rd4 Rf7 24. Red1 b5 25. a4 Nc4 26. Ra1 a5 27. Rb1 Na3 28. axb5+ Kc5 29. Rb3 Nxb5 30. Ra4 Kc6 31. Be3 Na7 32. Rxa5 Rd8 33. Kf1 Nc8 34. Rc5+ Kd7 35. Rb7 Ke8 36. Rcxc7 Rxc7 37. Rxc7 Kf8 38. Bc5+ Kg8 39. Ke2 h6 40. Ke3 Kh7 41. Ke4 Kg6 42. g4 Rh8 43. f4 h5 44. f5+ exf5+ 45. gxf5+ 1-0

[Event "Bangkok Big Rook op"]
[Site "Bangkok"]
[Date "2023.05.04"]
[Round "1"]
[White "Kaewwattha, Natrada"]
[Black "Ko, Ko Ohn"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1388"]
[BlackElo "2180"]
[PlyCount "60"]
[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. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 0-0-0 8. Be3 Nf6 9. Nbd2 Bd6 10. dxc5 Bxc5 11. Bxc5 Qxc5 12. Qc2 Rd7 13. Nb3 Qh5 14. Rfe1 Rhd8 15. Nbd4 Rc7 16. Rad1 Nd5 17. Nxc6 Rxc6 18. Nd4 Rc5 19. Qe4 Nf6 20. Bxg4 Nxg4 21. Nf3 Rxd1 22. Rxd1 Nxh2 23. Rd3 Nxf3+ 24. Rxf3 Re5 25. Qc4+ Kb8 26. Rh3 Re1+ 27. Kh2 Qe5+ 28. Rg3 Re4 29. Qf1 h5 30. Kh3 g5 0-1

[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 "Chiang Mai op 20th"]
[Site "Chiangmai"]
[Date "2022.10.25"]
[Round "4.6"]
[White "Ko, Ko Ohn"]
[Black "Vaibhav, Suri"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2235"]
[BlackElo "2610"]
[PlyCount "116"]
[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. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. a4 e5 7. Nb3 Be6 8. Be2 Be7 9. 0-0 0-0 10. f4 Nbd7 11. Be3 Rc8 12. f5 Bc4 13. Nd2 Bxe2 14. Qxe2 Qa5 15. Kh1 h6 16. Rfb1 d5 17. Nb3 Qc7 18. exd5 Bb4 19. Na2 Bd6 20. Nc3 Bb4 21. Na2 Bd6 22. Nc3 Rfe8 23. a5 Bb4 24. Na2 Bd6 25. Nc3 e4 26. h3 Bb4 27. Na2 Bf8 28. Nc3 Qg3 29. Ra4 Bd6 30. Bg1 Qg5 31. Nxe4 Nh5 32. Bf2 Ndf6 33. Nxf6+ Nxf6 34. Qd3 Re5 35. Bh4 Qxf5 36. Qxf5 Rxf5 37. Bxf6 gxf6 38. Rg4+ Kf8 39. c4 Rf2 40. Nd4 f5 41. Kg1 fxg4 42. Kxf2 Rxc4 43. Ne2 gxh3 44. gxh3 Bb4 45. Rd1 Bxa5 46. Ke3 Rb4 47. Ng3 Bb6+ 48. Kf3 Rxb2 49. Nf5 a5 50. Rc1 Ke8 51. Rc8+ Kd7 52. Rf8 Bc5 53. Rxf7+ Kd8 54. Ke4 a4 55. d6 a3 56. Kd5 a2 57. Ng7 Bxd6 58. Kxd6 Rd2+ 0-1

