[Event "Bruges op"]
[Site "Bruges"]
[Date "2024.08.16"]
[Round "9"]
[White "Patil, Harshal"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2130"]
[BlackElo "2323"]
[PlyCount "99"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CB34_2024"]
[SourceDate "2024.08.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.08.21"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. Nc3 a6 5. b3 Bd6 6. Bb2 b6 7. Qc2 Bb7 8. d4 Nbd7 9. Bd3 Qe7 10. 0-0 dxc4 11. Bxc4 0-0 12. e4 e5 13. Nd5 Nxd5 14. Bxd5 Bxd5 15. dxe5 Nxe5 16. Nxe5 Bb7 17. Nc6 Qe6 18. Qc3 Qh6 19. g3 Rfe8 20. Rfe1 Bc5 21. Ne5 Rad8 22. Nd3 Bd6 23. e5 Bf8 24. Qxc7 Ba8 25. e6 fxe6 26. Re3 Rd5 27. Nf4 Rd2 28. Bc3 Rc2 29. Qd7 e5 30. Qxe8 exf4 31. Bb4 Qf6 32. Bxf8 Qxa1+ 33. Re1 Qxe1+ 34. Qxe1 Kxf8 35. Qd1 Be4 36. Qd6+ Kg8 37. Qb8+ Kf7 38. Qxf4+ Kg8 39. Qxe4 Rc1+ 40. Kg2 h6 41. Qa8+ Kh7 42. Qxa6 Rc6 43. Qd3+ Kh8 44. a4 Rf6 45. b4 Kg8 46. a5 bxa5 47. bxa5 h5 48. Qd5+ Kh7 49. Qxh5+ Kg8 50. Qb5 1-0

[Event "Bruges op"]
[Site "Bruges"]
[Date "2024.08.15"]
[Round "8"]
[White "Elgersma, Onno"]
[Black "Thakoerdien, Jerrel"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2323"]
[BlackElo "2162"]
[PlyCount "71"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CB34_2024"]
[SourceDate "2024.08.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.08.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 0-0 8. Nc3 d6 9. a3 Na5 10. Ba2 c5 11. b4 Nc6 12. Nd5 Be6 13. c3 Rc8 14. Be3 Re8 15. bxc5 dxc5 16. Nxf6+ gxf6 17. Nh4 Kh8 18. Nf5 c4 19. d4 Bxf5 20. exf5 exd4 21. cxd4 Qd5 22. Bb1 Rcd8 23. Qh5 Rg8 24. f3 Nxd4 25. Be4 Qe5 26. Rae1 Bxa3 27. Kh1 Bb4 28. Rd1 Bc5 29. Bh6 Qe7 30. Bb1 Rde8 31. Qh4 c3 32. Rfe1 Qd6 33. Re6 Rxe6 34. fxe6 Qxe6 35. Bg5 Kg7 36. Qh6+ 1-0

[Event "Bruges op"]
[Site "Bruges"]
[Date "2024.08.14"]
[Round "7"]
[White "Nemegeer, Arne"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2222"]
[BlackElo "2323"]
[PlyCount "92"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CB34_2024"]
[SourceDate "2024.08.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.08.21"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 Nf5 8. Nc2 cxd4 9. cxd4 Be7 10. 0-0 0-0 11. Bd3 f6 12. Bf4 g5 13. exf6 Bxf6 14. Be5 g4 15. Bxf6 Qxf6 16. Ne5 Nxe5 17. dxe5 Qg7 18. Re1 Nh4 19. Nd4 Rf4 20. Bf1 Raf8 21. Qd2 Ng6 22. g3 Rxf2 23. Qg5 Rxb2 24. Qxg4 Qf7 25. Re2 Rb4 26. Rd2 Kh8 27. Qe2 Qg7 28. Re1 Nh4 29. Bg2 Nxg2 30. Kxg2 Qg5 31. h4 Qg6 32. Qe3 Rc4 33. Rf2 Rg8 34. Rf4 b5 35. Qf3 b4 36. g4 Rc3 37. Re3 Rxe3 38. Qxe3 a5 39. g5 a4 40. Qe1 b3 41. axb3 a3 42. Qb4 a2 43. Qa3 Qb1 44. Qe7 Qg6 45. Qa3 Qb1 46. Qe7 Qg6 1/2-1/2

[Event "Bruges op"]
[Site "Bruges"]
[Date "2024.08.13"]
[Round "5"]
[White "Elgersma, Onno"]
[Black "Ruzhansky, Elias"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2323"]
[BlackElo "2211"]
[PlyCount "175"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CB34_2024"]
[SourceDate "2024.08.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.08.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 0-0 8. Qd2 Nd7 9. 0-0-0 Nc5 10. h4 Qe8 11. Re1 Ne4 12. Qd5 Nf6 13. Qd1 Qa4 14. Bg5 Be6 15. a3 c5 16. Bd3 Rfe8 17. Bxf6 Bxf6 18. Ng5 Bxg5+ 19. hxg5 Qf4+ 20. Qd2 Qxd2+ 21. Kxd2 g6 22. Rh2 Kg7 23. Reh1 Rh8 24. Rh4 Bd5 25. R1h2 Raf8 26. c4 Bc6 27. g4 f6 28. gxf6+ Rxf6 29. g5 Rf7 30. Rh6 Rff8 31. b4 Bd7 32. Be4 Bc6 33. Bd3 Bd7 34. f4 Bf5 35. Be2 Be4 36. R6h4 Rf7 37. c3 b6 38. Bd1 Bf5 39. Bf3 Be6 40. Bh1 Rc7 41. b5 Rf7 42. Bc6 Bd7 43. Bd5 Re7 44. a4 Be6 45. Bf3 Bc8 46. Rh6 Rf7 47. Be4 Bf5 48. Bd5 Re7 49. Rh1 Be4 50. Bxe4 Rxe4 51. f5 gxf5 52. g6 Re6 53. Rxh7+ Rxh7 54. Rxh7+ Kxg6 55. Rxa7 f4 56. a5 bxa5 57. Rxa5 Kf5 58. Ra7 Ke5 59. Rf7 Re8 60. Kd3 Ra8 61. Re7+ Kf6 62. Rd7 Ke5 63. Rh7 Ra1 64. Rh5+ Ke6 65. Ke4 Rc1 66. Rh6+ Kd7 67. Rh7+ Ke6 68. Rh6+ Kd7 69. Rh3 Rf1 70. Rf3 Re1+ 71. Kxf4 d5 72. cxd5 Kd6 73. Rd3 Rb1 74. Ke4 Rxb5 75. Rh3 Rb1 76. Rh6+ Kd7 77. Kd3 Rd1+ 78. Kc4 Rc1 79. Rc6 Rh1 80. Kxc5 Rc1 81. c4 Ra1 82. Rh6 Ra5+ 83. Kd4 Ra4 84. Rh7+ Kd8 85. d6 Ra1 86. Kd5 Rc1 87. c5 Ra1 88. Rh8+ 1-0

[Event "Bruges op"]
[Site "Bruges"]
[Date "2024.08.13"]
[Round "6"]
[White "Elgersma, Onno"]
[Black "Sanal, Vahap"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2323"]
[BlackElo "2570"]
[PlyCount "76"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CB34_2024"]
[SourceDate "2024.08.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.08.21"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 h6 9. h3 Re8 10. Be3 exd4 11. Bxd4 Nf8 12. e5 dxe5 13. Bxe5 Be6 14. Bxe6 Nxe6 15. Qe2 Qa5 16. Qc4 Rad8 17. Ne4 Nxe4 18. Rxe4 Qd5 19. Qxd5 Rxd5 20. Bc3 Red8 21. Rae1 Bd6 22. Kf1 Bc7 23. R4e2 a6 24. Ne5 Nd4 25. Bxd4 Rxd4 26. b3 Ba5 27. Nf3 Bxe1 28. Nxd4 Bc3 29. Nf3 Rd1+ 30. Ne1 Rc1 31. Re3 Bb4 32. Re8+ Kh7 33. Re4 a5 34. h4 f5 35. Re5 Kg6 36. f4 Kh5 37. Rxf5+ Kxh4 38. Re5 Kg3 0-1

[Event "Bruges op"]
[Site "Bruges"]
[Date "2024.08.12"]
[Round "4"]
[White "Van Volsem, Merlijn"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2205"]
[BlackElo "2323"]
[PlyCount "57"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CB34_2024"]
[SourceDate "2024.08.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.08.21"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nxc6 dxc6 7. Nd2 Bc5 8. 0-0 0-0 9. a4 a5 10. Nc4 Qe7 11. Bd2 e4 12. Be3 Be6 13. Bxc5 Qxc5 14. Ne3 Rad8 15. Qc1 Qh5 16. f3 exf3 17. exf3 Rd4 18. Qe1 Rfd8 19. Qc3 h6 20. Rad1 Rxd1 21. Rxd1 Rxd1+ 22. Nxd1 Qd5 23. Ne3 Qd8 24. Bf1 Bd5 25. Qd4 Qe7 26. Kf2 Be6 27. Qb6 Nd5 28. Nxd5 Bxd5 29. Be2 1/2-1/2

[Event "Bruges op"]
[Site "Bruges"]
[Date "2024.08.11"]
[Round "2"]
[White "De Block, Fabio"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2048"]
[BlackElo "2323"]
[PlyCount "62"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CB34_2024"]
[SourceDate "2024.08.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.08.21"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Qc2 Re8 10. Nge2 Nbd7 11. 0-0 a5 12. a3 Nf8 13. Rab1 Ne6 14. b4 Ng5 15. f3 axb4 16. axb4 Bd6 17. Bf2 Qe7 18. h4 Ne6 19. e4 dxe4 20. fxe4 Bxb4 21. e5 Ng4 22. Ne4 Rd8 23. Qb3 Ra3 24. Qxb4 Qxb4 25. Rxb4 Rxd3 26. Nd6 Rd2 27. Re1 c5 28. dxc5 Nxf2 29. Kxf2 Nxc5 30. Ke3 Rd3+ 31. Kf2 R3xd6 0-1

[Event "Bruges op"]
[Site "Bruges"]
[Date "2024.08.11"]
[Round "3"]
[White "Elgersma, Onno"]
[Black "De Heug, Andrea"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2323"]
[BlackElo "2147"]
[PlyCount "141"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CB34_2024"]
[SourceDate "2024.08.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.08.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. Bd2 0-0 9. h3 Be6 10. Nc3 Bxb3 11. axb3 d5 12. exd5 Nxd5 13. Re1 b4 14. Nxd5 Qxd5 15. Qe2 Bc5 16. Qe4 Qd6 17. Qc4 Bb6 18. Re4 a5 19. Rae1 Rae8 20. Bf4 Qf6 21. Bxe5 Nxe5 22. Rxe5 Rxe5 23. Rxe5 Rd8 24. Qe4 g6 25. Re8+ Rxe8 26. Qxe8+ Kg7 27. Qe5 Qxe5 28. Nxe5 Kf6 29. Nc4 Ke6 30. Kf1 Bd4 31. Ke2 Kd5 32. f3 c5 33. Kd2 Bf6 34. c3 Bd8 35. f4 f5 36. Ne3+ Ke6 37. Nc2 Kd5 38. Ne1 Bc7 39. Ke3 Bd8 40. Nf3 Bf6 41. Kd2 Kd6 42. Ng5 h6 43. Nf3 g5 44. fxg5 hxg5 45. g4 fxg4 46. hxg4 Kd5 47. Kc2 Bd8 48. c4+ Kd6 49. d4 cxd4 50. Nxd4 Bf6 51. Nf3 Kc5 52. Kd3 Kc6 53. Ke4 Kc5 54. Ne1 Kd6 55. Nd3 Ke6 56. Ke3 Kd6 57. Kf3 Ke7 58. Ke4 Ke6 59. Nc5+ Kd6 60. Kf5 Bxb2 61. Nd3 Bc3 62. Kxg5 a4 63. bxa4 b3 64. Kh6 b2 65. Nxb2 Bxb2 66. g5 Bc1 67. Kh5 Ke6 68. g6 Kf6 69. c5 Kg7 70. c6 Bf4 71. a5 1-0

[Event "Bruges op"]
[Site "Bruges"]
[Date "2024.08.10"]
[Round "1"]
[White "Elgersma, Onno"]
[Black "Legein, Youri"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2323"]
[PlyCount "75"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CB34_2024"]
[SourceDate "2024.08.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.08.21"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bf5 6. Bc4 e6 7. Ne5 Nf6 8. g4 Bg6 9. h4 Ne4 10. Bd2 Bb4 11. Rh3 Bxc3 12. Bxc3 Nxc3 13. Rxc3 Nd7 14. Nxd7 Kxd7 15. Qe2 h5 16. 0-0-0 Rad8 17. Ra3 Qc7 18. Rxa7 Qf4+ 19. Kb1 Kc7 20. Ba6 Rb8 21. d5 Qe4 22. dxc6 Qxe2 23. Bxe2 Kxc6 24. g5 Kb6 25. Ra4 Rhd8 26. Rb4+ Kc7 27. Rc4+ Kb6 28. Kc1 Rxd1+ 29. Bxd1 Rd8 30. Bf3 Rd7 31. a4 Ka5 32. b3 f6 33. gxf6 gxf6 34. Bxh5 Bxh5 35. Rc5+ Kb4 36. Rxh5 e5 37. Rf5 e4 38. Kb2 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2024.07.18"]
[Round "6"]
[White "Elgersma, Onno"]
[Black "Wunnink, Michael"]
[Result "1/2-1/2"]
[ECO "B66"]
[WhiteElo "2348"]
[BlackElo "2154"]
[PlyCount "38"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB30_2024"]
[SourceDate "2024.07.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Be7 9. Kb1 Nxd4 10. Qxd4 h6 11. Be3 Qc7 12. f3 b5 13. Qd2 Bb7 14. h4 Rc8 15. Bd3 Nd7 16. Ne2 Ne5 17. Nd4 d5 18. exd5 Bxd5 19. Bf4 Nc4 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2024.07.17"]
[Round "5"]
[White "Elgersma, Onno"]
[Black "Duson, Robin"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2348"]
[BlackElo "2148"]
[PlyCount "173"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB30_2024"]
[SourceDate "2024.07.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Be7 6. d3 b5 7. Bb3 d6 8. a3 Na5 9. Ba2 c5 10. b4 Nc6 11. Nd5 Be6 12. c3 Rc8 13. 0-0 0-0 14. Be3 cxb4 15. Nxf6+ Bxf6 16. Bxe6 fxe6 17. axb4 Ra8 18. Ra2 a5 19. bxa5 Nxa5 20. Qc2 Rb8 21. Rfa1 Nc6 22. Qb3 Qd7 23. Ra6 Rfc8 24. h3 h6 25. d4 d5 26. dxe5 Nxe5 27. Nxe5 Bxe5 28. Bd4 Bxd4 29. cxd4 b4 30. Ra7 Rb7 31. Ra8 dxe4 32. d5 Rxa8 33. Rxa8+ Kh7 34. dxe6 Qd3 35. e7 Qxb3 36. e8Q Qd1+ 37. Kh2 Qd6+ 38. g3 Re7 39. Qg8+ Kg6 40. Qc4 Kh7 41. Qg8+ Kg6 42. Qc4 Re6 43. h4 Qc6 44. Qxc6 Rxc6 45. Rb8 Rc2 46. Rxb4 Rxf2+ 47. Kg1 Re2 48. Kf1 Re3 49. Kf2 Rf3+ 50. Kg2 Kf5 51. Rb7 g6 52. Re7 Ra3 53. Re8 Ra2+ 54. Kh3 Ra6 55. Kg2 Re6 56. Rf8+ Ke5 57. Ra8 Rc6 58. Kf2 Rc2+ 59. Ke3 Rc3+ 60. Kf2 Rf3+ 61. Kg2 Rf6 62. Ra5+ Kd4 63. Ra4+ Kd3 64. Ra3+ Kc2 65. Ra2+ Kc3 66. Ra3+ Kb4 67. Re3 Re6 68. Kf2 Kc4 69. Ra3 Rd6 70. Ra4+ Kd3 71. Ra3+ Kd4 72. Ra4+ Ke5 73. Ra8 Re6 74. Ra5+ Kf6 75. Ke3 h5 76. g4 hxg4 77. Rg5 Kg7 78. Rxg4 Kh6 79. Rg5 Ra6 80. Kxe4 Ra4+ 81. Kf3 Rxh4 82. Ra5 Rb4 83. Kg3 g5 84. Ra8 Kh5 85. Rh8+ Kg6 86. Rg8+ Kh5 87. Rh8+ 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2024.07.16"]
[Round "4"]
[White "Kanis, Sierk"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2105"]
[BlackElo "2348"]
[PlyCount "127"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB30_2024"]
[SourceDate "2024.07.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.24"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Nbd2 Nh5 7. Bg3 g6 8. Be2 Qb6 9. Qb3 Nxg3 10. hxg3 Bg7 11. Qa3 Bf8 12. Qb3 Bd7 13. 0-0 Rc8 14. Rfe1 Be7 15. Rad1 0-0 16. dxc5 Bxc5 17. Qxb6 Bxb6 18. e4 Rcd8 19. exd5 exd5 20. Nb3 Bf5 21. Nfd4 Bc8 22. Bf3 Kg7 23. Rd2 h5 24. Nc2 Be6 25. Red1 Rfe8 26. Kf1 Ne5 27. Nb4 h4 28. gxh4 Rh8 29. Nxd5 Nc4 30. Re2 Rxh4 31. g3 Rh2 32. Kg1 Rh3 33. Kg2 Rdh8 34. Nxb6 axb6 35. Nd4 Rh2+ 36. Kg1 Bg4 37. Rde1 f5 38. Re7+ Kf6 39. R1e6+ Kg5 40. Rg7 R2h6 41. Bxb7 Nxb2 42. f4+ Kh5 43. Kg2 Nd3 44. Re3 R6h7 45. Rxh7+ Rxh7 46. Bf3 Nc5 47. Re1 Kh6 48. Bxg4 fxg4 49. Rh1+ Kg7 50. Rxh7+ Kxh7 51. f5 Ne4 52. c4 Nd6 53. f6 Nxc4 54. Ne6 Kg8 55. Ng5 Ne3+ 56. Kf2 Nd5 57. f7+ Kg7 58. a3 b5 59. Ne4 b4 60. axb4 Nxb4 61. Ng5 Nc6 62. Ke3 Ne5 63. Kf4 Nxf7 64. Kxg4 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2024.07.15"]
[Round "3"]
[White "Dimitrijeski, Kristian"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2158"]
[BlackElo "2348"]
[PlyCount "109"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB30_2024"]
[SourceDate "2024.07.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Qc2 Re8 10. Nf3 Be6 11. 0-0 Nbd7 12. Rab1 a6 13. b4 b5 14. a4 Nb6 15. Ne5 Rc8 16. a5 Nc4 17. Nxc4 dxc4 18. Bf5 Qd7 19. Bxe6 Qxe6 20. Bxf6 Bxf6 21. Rfd1 Rcd8 22. Ne2 g6 23. Nf4 Qe4 24. Qxe4 Rxe4 25. Ne2 h5 26. Nc3 Ree8 27. g3 g5 28. h3 Kg7 29. Kg2 Kg6 30. Ne2 Bg7 31. Rh1 Bf8 32. Rhd1 Rd7 33. Nc3 Bg7 34. Ne2 Bh6 35. Rh1 Re4 36. Nc3 Re6 37. Ne2 f6 38. Rhg1 Bf8 39. Rh1 Rh7 40. h4 Bd6 41. Kf3 Bb8 42. Kg2 Re8 43. Kf3 Rg7 44. Kg2 Kh6 45. Kf3 Ree7 46. Nc3 Bd6 47. Ne2 Kg6 48. Nc3 Rh7 49. Ne2 Ref7 50. Kg2 Rh8 51. Kf3 Kf5 52. Nc3 Re7 53. Rb2 Kg6 54. Rbb1 Bc7 55. Ne2 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2024.07.14"]
[Round "2"]
[White "Elgersma, Onno"]
[Black "Groenewoud, Joel"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2348"]
[BlackElo "2095"]
[PlyCount "71"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB30_2024"]
[SourceDate "2024.07.24"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Ne2 Re8 9. Qc2 h5 10. 0-0 h4 11. Bf4 h3 12. Rfe1 hxg2 13. Qd2 Be6 14. Bxd6 Qxd6 15. Ng3 Nd7 16. Ne4 Qd5 17. Qf4 Rad8 18. Re3 Qh5 19. Rg3 Kh8 20. Nd6 Rf8 21. Nf5 g6 22. Re1 Rfe8 23. Nd6 g5 24. Qe4 Rg8 25. Qxg2 g4 26. Nxb7 Rb8 27. Nd6 f5 28. Rge3 f4 29. Rxe6 fxe6 30. Rxe6 f3 31. Qg3 Rg7 32. Qf4 Rh7 33. Bxh7 Rf8 34. Qh6 Qxh6 35. Rxh6 Kg7 36. Nf5+ 1-0

[Event "Paracin op-A 17th"]
[Site "Paracin"]
[Date "2024.07.06"]
[Round "5"]
[White "Elgersma, Onno"]
[Black "Alok, Sinha"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2348"]
[BlackElo "2245"]
[PlyCount "62"]
[EventDate "2024.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB29_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 dxc4 5. Bg2 c5 6. 0-0 Nc6 7. Qa4 Bd7 8. Qxc4 b5 9. Qd3 c4 10. Qd1 Rc8 11. Re1 Bb4 12. Bd2 Bxd2 13. Nbxd2 Qb6 14. e3 0-0 15. a4 a6 16. Qb1 Rfd8 17. Rc1 Nb4 18. Ne5 Be8 19. Ndf3 h6 20. axb5 axb5 21. Rc3 Nbd5 22. Rca3 b4 23. Ra6 Qb8 24. e4 Nc7 25. Rc6 Nb5 26. Rxc4 Rxc4 27. Nxc4 Nxd4 28. Nxd4 Rxd4 29. e5 Rxc4 30. exf6 Rc8 31. fxg7 Qe5 1/2-1/2

[Event "Paracin op-A 17th"]
[Site "Paracin"]
[Date "2024.07.06"]
[Round "4"]
[White "Zhong, Kangmin"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2010"]
[BlackElo "2348"]
[PlyCount "75"]
[EventDate "2024.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB29_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Bg3 Re8 10. Nf3 Bg4 11. h3 Bxf3 12. Qxf3 c5 13. 0-0 Nc6 14. dxc5 Bxc5 15. Rad1 Ne5 16. Qe2 Qe7 17. Bb1 Rad8 18. Qc2 d4 19. exd4 Bxd4 20. Ne4 Ng6 21. Nxf6+ Qxf6 22. Rd3 Qe6 23. Rfd1 Rc8 24. Qd2 Bb6 25. Rd6 Qe2 26. Bxg6 fxg6 27. Rxg6 Qxd2 28. Rxd2 Rc1+ 29. Kh2 Kh7 30. Rg4 Ree1 31. Bf4 Rcd1 32. Rxd1 Rxd1 33. Be3 Bxe3 34. fxe3 Re1 35. Rb4 Rxe3 36. Rxb7 Re2 37. Kg3 a5 38. a4 1/2-1/2

[Event "Paracin op-A 17th"]
[Site "Paracin"]
[Date "2024.07.05"]
[Round "3"]
[White "Elgersma, Onno"]
[Black "Sahbudak, Baris Cinar"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2348"]
[BlackElo "2073"]
[PlyCount "119"]
[EventDate "2024.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB29_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 c5 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Nc2 d6 7. e4 Nf6 8. Be2 0-0 9. 0-0 Be6 10. Be3 Rc8 11. Rc1 Nd7 12. Qd2 Nc5 13. f3 Qa5 14. Na3 a6 15. Rfd1 Na4 16. Nab1 Rfe8 17. Nxa4 Qxa4 18. b3 Qb4 19. Nc3 Qa3 20. Bf1 h5 21. h3 Kh7 22. f4 Nb4 23. Nb1 Qa5 24. a3 Nc6 25. Qf2 Qc7 26. Nd2 f6 27. Bb6 Qd7 28. Nf3 Bh6 29. Qh4 Nd8 30. e5 Bf5 31. exf6 exf6 32. Qxf6 Bxf4 33. Rc3 Qe7 34. Qxe7+ Rxe7 35. g3 Bh6 36. Rxd6 Nf7 37. Rd1 Bg7 38. Re3 Rxe3 39. Bxe3 Re8 40. Bf2 g5 41. Bg2 g4 42. hxg4 hxg4 43. Nh4 Bc8 44. Re1 Ne5 45. Be4+ Kg8 46. Kg2 Bf6 47. Bd4 Kg7 48. Bb1 Bd7 49. Nf5+ Kf8 50. Kf1 Nf3 51. Rxe8+ Bxe8 52. Bxf6 Nd2+ 53. Ke2 Nxb1 54. Bb2 b5 55. Nd6 bxc4 56. Nxe8 c3 57. Bc1 Kxe8 58. Kd3 Nd2 59. Bxd2 cxd2 60. Kxd2 1-0

[Event "Paracin op-A 17th"]
[Site "Paracin"]
[Date "2024.07.04"]
[Round "2"]
[White "Kisic, Jovan"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2096"]
[BlackElo "2348"]
[PlyCount "66"]
[EventDate "2024.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB29_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. d3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 e5 7. 0-0 Be7 8. Nc3 Nc7 9. b3 0-0 10. Bb2 Be6 11. Rc1 f6 12. Nd2 Qd7 13. Na4 Na6 14. Ba3 Ncb4 15. Bxb4 cxb4 16. Nf3 Rac8 17. Qd2 b5 18. Nb2 Nc7 19. Ne1 Nd5 20. Bxd5 Bxd5 21. Nc2 a5 22. d4 Bb7 23. d5 Qxd5 24. Qxd5+ Bxd5 25. Ne3 Be6 26. Rxc8 Rxc8 27. Rd1 Kf7 28. Kf1 Bc5 29. Rc1 Bxe3 30. Rxc8 Bxc8 31. fxe3 Ke7 32. Ke1 Kd6 33. Kd2 Bb7 0-1

[Event "Paracin op-A 17th"]
[Site "Paracin"]
[Date "2024.07.03"]
[Round "1"]
[White "Elgersma, Onno"]
[Black "Vasilkov, Nikolay"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2348"]
[BlackElo "2066"]
[PlyCount "38"]
[EventDate "2024.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB29_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 Be7 7. Be3 0-0 8. Be2 d6 9. Qd2 Nxd4 10. Bxd4 e5 11. Be3 Be6 12. 0-0-0 a6 13. f3 Rc8 14. g4 Qc7 15. g5 Nh5 16. Kb1 f5 17. Nd5 Bxd5 18. Qxd5+ Kh8 19. Bd3 f4 0-1

[Event "Veliko Gradiste Silver Lake op-A"]
[Site "Veliko Gradiste"]
[Date "2024.06.30"]
[Round "9"]
[White "Elgersma, Onno"]
[Black "Afanasiev, Vadim"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2348"]
[BlackElo "2200"]
[PlyCount "79"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB27_2024"]
[SourceDate "2024.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.03"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 a6 7. Re1 Nc6 8. d5 Na7 9. e5 dxe5 10. Nxe5 Nb5 11. Nxb5 axb5 12. Bf3 Ra6 13. Qd3 Rd6 14. Qxb5 Nxd5 15. Nc4 c6 16. Qb3 Re6 17. Bd2 b5 18. Na5 Rd6 19. Rad1 Qb6 20. c4 Nc7 21. c5 Qxc5 22. Bb4 Rxd1 23. Rxd1 Qg5 24. Nxc6 Bf6 25. Bd2 Qh4 26. Re1 Be6 27. Qe3 Re8 28. Qb6 Rc8 29. Qb7 Bf5 30. g3 Qc4 31. Bh6 Be6 32. Rc1 Qxa2 33. Na7 Ra8 34. Rxc7 Rd8 35. Rc1 Qxb2 36. Qb6 Re8 37. Qxb5 Rb8 38. Qxb2 Rxb2 39. Nc6 Ra2 40. Rd1 1-0

[Event "Veliko Gradiste Silver Lake op-A"]
[Site "Veliko Gradiste"]
[Date "2024.06.29"]
[Round "8"]
[White "Valitov, Ilshat"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1865"]
[BlackElo "2348"]
[PlyCount "92"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB27_2024"]
[SourceDate "2024.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.03"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. e3 Bg7 4. d4 0-0 5. Nf3 b6 6. c4 Bb7 7. Nbd2 d6 8. Qc2 Nbd7 9. Be2 Re8 10. h4 e5 11. d5 a5 12. Ng5 c6 13. h5 cxd5 14. hxg6 hxg6 15. Ndf3 Ne4 16. Nxe4 dxe4 17. Nd2 Nc5 18. 0-0-0 Rc8 19. Kb1 d5 20. f3 Qg5 21. fxe4 dxe4 22. Ba3 Qxg2 23. Bxc5 bxc5 24. Rde1 Rcd8 25. Qc3 Rd6 26. Rhg1 Qf2 27. Rgf1 Qh4 28. Rh1 Qd8 29. Kc2 Qd7 30. Rh2 Rd8 31. Nb1 a4 32. Reh1 Rd3 33. Qe1 axb3+ 34. axb3 Ra8 35. Kb2 Rxe3 36. Qd2 Qxd2+ 37. Nxd2 Rxe2 38. Rxe2 e3 39. Ne4 Bxe4 40. Ra1 Rxa1 41. Kxa1 Bd3 42. Rxe3 e4+ 43. Ka2 Bd4 44. Re1 e3 45. Ka3 e2 46. b4 Bc3 0-1

[Event "Veliko Gradiste Silver Lake op-A"]
[Site "Veliko Gradiste"]
[Date "2024.06.28"]
[Round "7"]
[White "Elgersma, Onno"]
[Black "Bhattacharyya, Soham"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2348"]
[BlackElo "2477"]
[PlyCount "71"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB27_2024"]
[SourceDate "2024.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.03"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 Ne7 7. c3 h6 8. a4 c5 9. dxc5 Nxc5 10. Nd4 Bg6 11. a5 a6 12. Be3 Qc7 13. f4 Nf5 14. Nxf5 Bxf5 15. Bd4 Be7 16. Nd2 0-0 17. b4 Ne4 18. g4 Nxd2 19. Qxd2 Be4 20. Bf3 Bxf3 21. Rxf3 f5 22. h3 Rf7 23. Qg2 Raf8 24. Kh1 Kh8 25. Rg1 g5 26. gxf5 Rxf5 27. Qg4 Qd7 28. Qh5 Kh7 29. fxg5 Rxf3 30. Qxh6+ Kg8 31. Qg6+ Kh8 32. Qh5+ Kg7 33. Qh6+ Kg8 34. Qg6+ Kh8 35. Qh5+ Kg7 36. Qh6+ 1/2-1/2

[Event "Veliko Gradiste Silver Lake op-A"]
[Site "Veliko Gradiste"]
[Date "2024.06.27"]
[Round "6"]
[White "Elgersma, Onno"]
[Black "Khuslen, Erdenebayar"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2348"]
[BlackElo "2004"]
[PlyCount "94"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB27_2024"]
[SourceDate "2024.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. Nxc6 bxc6 8. Qd3 Nf6 9. Qg3 Qxg3 10. hxg3 d5 11. g4 Bb4 12. Bd2 Bb7 13. 0-0-0 0-0-0 14. Rh4 h6 15. a3 Be7 16. exd5 cxd5 17. g5 Nd7 18. Ra4 hxg5 19. Bxa6 Nb6 20. Bxb7+ Kxb7 21. Rg4 f5 22. Bxg5 fxg4 23. Bxe7 Rc8 24. Re1 Rh2 25. Nb5 Ka6 26. Bd6 Rxg2 27. Nc7+ Kb7 28. Nxe6 Rxf2 29. Nd4 Nc4 30. Bg3 Rg2 31. Bf4 Rf8 32. Bg5 Re8 33. Rd1 g3 34. b3 Ne5 35. Nf5 Rf8 36. Ne3 Re2 37. Rxd5 Ng4 38. Nc4 g2 39. Rd7+ Kc6 40. Rd6+ Kc7 41. Rd1 Rf1 42. Bd8+ Kb7 43. Bb6 Nf2 44. Bxf2 Rexf2 45. Nd6+ Kc6 46. Nc4 Rxd1+ 47. Kxd1 g1Q# 0-1

[Event "Veliko Gradiste Silver Lake op-A"]
[Site "Veliko Gradiste"]
[Date "2024.06.26"]
[Round "5"]
[White "Albers, Sasa"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2309"]
[BlackElo "2348"]
[PlyCount "82"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB27_2024"]
[SourceDate "2024.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 a5 13. g3 0-0 14. h4 g6 15. h5 Be6 16. Bh3 a4 17. hxg6 hxg6 18. Bxe6 fxe6 19. Ndxb4 Nxb4 20. Nxb4 a3 21. b3 Qb6 22. Nc2 Be7 23. Rh2 Rf7 24. Qg4 Kg7 25. 0-0-0 Rxf2 26. Rxf2 Qxf2 27. Qxe6 Bg5+ 28. Kb1 Qf3 29. Qd7+ Kh6 30. Qh3+ Kg7 31. Qd7+ Kh6 32. Rxd6 Qc3 33. Qh3+ Kg7 34. Rd7+ Be7 35. Nxa3 Qe1+ 36. Kb2 Qe2+ 37. Nc2 Rxa2+ 38. Kxa2 Qxc2+ 39. Ka1 Qc1+ 40. Ka2 Qc2+ 41. Ka1 Qc1+ 1/2-1/2

[Event "Veliko Gradiste Silver Lake op-A"]
[Site "Veliko Gradiste"]
[Date "2024.06.25"]
[Round "4"]
[White "Elgersma, Onno"]
[Black "Slavkovic, Uros"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2348"]
[BlackElo "1916"]
[PlyCount "97"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB27_2024"]
[SourceDate "2024.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 0-0 5. d4 d6 6. Be2 e5 7. dxe5 Ng4 8. Nc3 Nxe5 9. h4 Nbc6 10. Qd2 Ng4 11. h5 Re8 12. hxg6 hxg6 13. Bb5 Bd7 14. 0-0-0 a6 15. Bxc6 Bxc6 16. Rh3 Nf6 17. Rdh1 b5 18. e4 a5 19. Ng5 a4 20. Qf4 Kf8 21. Rh7 axb3 22. axb3 b4 23. Nd5 Bxd5 24. Rxg7 Re5 25. Rh8+ Kxg7 26. Rxd8 Rxd8 27. Bxe5 dxe5 28. Qxe5 Re8 29. Qxc7 Nxe4 30. Nxe4 Rxe4 31. f3 Re2 32. Kd1 Re8 33. Qd7 Re5 34. Qd6 Rg5 35. Qxb4 Kh6 36. Qd4 Kh7 37. Qf4 Rf5 38. Qe3 Be6 39. Kc1 Ra5 40. Kb2 Rb5 41. Qe2 Rb4 42. Ka3 Rb8 43. c4 Ra8+ 44. Kb2 Rb8 45. g4 Kg8 46. f4 Rb6 47. Qe3 Rb8 48. Qe5 Rd8 49. f5 1-0

[Event "Veliko Gradiste Silver Lake op-A"]
[Site "Veliko Gradiste"]
[Date "2024.06.24"]
[Round "3"]
[White "Dvalishvili, Pavel S"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2366"]
[BlackElo "2348"]
[PlyCount "78"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB27_2024"]
[SourceDate "2024.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.03"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 e5 5. Bg2 Nf6 6. 0-0 Be7 7. c3 0-0 8. Na3 Re8 9. d3 h6 10. Nc4 Bf8 11. Ne3 d5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. Nd2 Qd8 15. a3 Bf5 16. Be4 Bh3 17. Rd1 Qd7 18. Nc4 Rad8 19. Ne3 f5 20. Bd5+ Kh8 21. Bf3 f4 22. Nc2 g5 23. Be4 c4 24. Rd2 Bg4 25. f3 Bc5+ 26. Kh1 Bf5 27. dxc4 Qf7 28. g4 Bxe4 29. Qxe4 h5 30. h3 hxg4 31. hxg4 Kg7 32. Kg2 Qf6 33. Nb4 Bxb4 34. axb4 Qh6 35. Rxa7 Nxa7 36. Qxb7+ Kg8 37. Qxa7 e4 38. fxe4 f3+ 39. Kg1 Qh3 0-1

[Event "Veliko Gradiste Silver Lake op-A"]
[Site "Veliko Gradiste"]
[Date "2024.06.24"]
[Round "2"]
[White "Elgersma, Onno"]
[Black "Granovskiy, Alexandr"]
[Result "1/2-1/2"]
[ECO "C76"]
[WhiteElo "2348"]
[BlackElo "2151"]
[PlyCount "44"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB27_2024"]
[SourceDate "2024.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. c3 g6 7. d4 Bg7 8. Bg5 Nf6 9. Nbd2 b5 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Bc2 c5 13. Qe2 0-0 14. Rfd1 Qc7 15. Nf1 h6 16. Bh4 Bg4 17. f3 Be6 18. Ne3 Rad8 19. Qf2 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Qxd8 22. a3 Bc8 1/2-1/2

[Event "Veliko Gradiste Silver Lake op-A"]
[Site "Veliko Gradiste"]
[Date "2024.06.23"]
[Round "1"]
[White "Tisma, Ivan"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1963"]
[BlackElo "2348"]
[PlyCount "86"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRB"]
[SourceTitle "CB27_2024"]
[SourceDate "2024.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Bb4+ 5. Bd2 a5 6. a3 Be7 7. Bg2 0-0 8. Qc2 Nbd7 9. 0-0 c6 10. b3 Ne4 11. Bf4 f5 12. Nc3 g5 13. Bc1 Bf6 14. Bb2 Nd6 15. cxd5 exd5 16. Na4 Qe7 17. Nc5 f4 18. Nd3 fxg3 19. hxg3 Ne4 20. a4 Qf7 21. Nde5 Nxe5 22. dxe5 Bg7 23. Nd2 Nxd2 24. Qxd2 Qg6 25. Qe3 g4 26. Rad1 Be6 27. Ba3 Rf7 28. Bd6 h5 29. Qd3 Bf5 30. Qe3 Bh6 31. Qc3 Bg5 32. f4 gxf3 33. exf3 Bd8 34. f4 Bb6+ 35. Kh2 h4 36. g4 Qxg4 37. Qf3 Qg3+ 38. Kh1 Rg7 39. Qxg3 hxg3 40. Bf3 g2+ 41. Bxg2 Rh7+ 42. Bh3 Rxh3+ 43. Kg2 Kf7 0-1

[Event "Maastricht Limburg op 16th"]
[Site "Maastricht"]
[Date "2024.05.20"]
[Round "7"]
[White "Elgersma, Onno"]
[Black "Leenhouts, Koen"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2327"]
[BlackElo "2453"]
[PlyCount "124"]
[EventDate "2024.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB21_2024"]
[SourceDate "2024.05.22"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Qd3 d6 7. c4 Be7 8. Nc3 Nbd7 9. 0-0 Qc7 10. Qg3 g6 11. Be3 b6 12. Rac1 Bb7 13. f3 0-0 14. b4 Rfe8 15. Rfd1 Rac8 16. Nb3 Qb8 17. a3 Bd8 18. Qf2 Bc7 19. g4 d5 20. f4 dxc4 21. Nd2 b5 22. g5 Nd5 23. exd5 exd5 24. Ba7 Qa8 25. Bd4 Qb8 26. Bg4 Re7 27. Re1 Rce8 28. Bxd7 Rxd7 29. Rxe8+ Qxe8 30. Re1 Re7 31. Rxe7 Qxe7 32. Qe3 Qxe3+ 33. Bxe3 d4 34. Bxd4 Bxf4 35. Nde4 h5 36. gxh6 Bxh6 37. Nc5 Bc8 38. Nd5 Be6 39. Nf6+ Kf8 40. Nxa6 Bc1 41. Nc7 Bxa3 42. Bc3 Ke7 43. Ng8+ Kf8 44. Nxb5 Bxb4 45. Bxb4+ Kxg8 46. Nc7 Bh3 47. Kf2 Kg7 48. Kg3 Bf1 49. Nd5 g5 50. Bc3+ Kg6 51. Ne7+ Kh5 52. Bf6 Bd3 53. Nd5 Be4 54. Ne3 Bd3 55. Nd5 Be4 56. Nb6 Bd3 57. Nd7 Kg6 58. Bc3 f5 59. Nf8+ Kf7 60. Nd7 Kg6 61. Nf8+ Kf7 62. Nd7 Kg6 1/2-1/2

[Event "Maastricht Limburg op 16th"]
[Site "Maastricht"]
[Date "2024.05.20"]
[Round "6"]
[White "Wirig, Anthony"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2453"]
[BlackElo "2327"]
[PlyCount "51"]
[EventDate "2024.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB21_2024"]
[SourceDate "2024.05.22"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. d4 0-0 6. c4 a5 7. Qc2 Nbd7 8. Bg5 dxc4 9. Qxc4 b5 10. Qxb5 Ba6 11. Qc6 Bxe2 12. Re1 Ra6 13. Qc2 Bxf3 14. Bxf3 h6 15. Be3 Nd5 16. Nc3 c6 17. Na4 N7f6 18. Bd2 Qb8 19. a3 Rc8 20. Rac1 Ra7 21. Kg2 Bf8 22. h4 Qb5 23. Be2 Qb7 24. Bf3 Qb5 25. Be2 Qb7 26. Bf3 1/2-1/2

[Event "Maastricht Limburg op 16th"]
[Site "Maastricht"]
[Date "2024.05.19"]
[Round "4"]
[White "Elgersma, Onno"]
[Black "Lagarde, Maxime"]
[Result "1/2-1/2"]
[ECO "B83"]
[WhiteElo "2327"]
[BlackElo "2622"]
[PlyCount "36"]
[EventDate "2024.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB21_2024"]
[SourceDate "2024.05.22"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 d6 7. Be3 Be7 8. Be2 0-0 9. 0-0 e5 10. Nb3 Be6 11. Qd3 Na5 12. Nxa5 Qxa5 13. Rfd1 Rfc8 14. Nd5 Bxd5 15. exd5 Qd8 16. c4 Nd7 17. b4 Bg5 18. Rac1 Bxe3 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.12"]
[Round "6"]
[White "Elgersma, Onno"]
[Black "Bakker, Jouke"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2329"]
[BlackElo "2106"]
[PlyCount "120"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Qe2 Nc6 4. g3 e5 5. Bg2 Nf6 6. 0-0 Be7 7. Nc3 d6 8. Nd5 Be6 9. Ne1 Nxd5 10. exd5 Nd4 11. Qd1 Bd7 12. a4 Qc8 13. c3 Nf5 14. d3 h6 15. Nc2 Bg5 16. f4 exf4 17. Qe2+ Kf8 18. Bxf4 f6 19. Rae1 Kf7 20. Be4 Bxf4 21. Rxf4 Re8 22. Qh5+ g6 23. Qf3 Qd8 24. Rf1 Kg7 25. Qf2 Ne7 26. Ne3 f5 27. g4 g5 28. Nxf5+ Nxf5 29. Rxf5 Bxf5 30. Qxf5 Rxe4 31. Qf7+ Kh8 32. dxe4 Qe8 33. Qf6+ Kh7 34. Qxd6 Rd8 35. Qf6 Qxe4 36. Qf5+ Qxf5 37. Rxf5 Kg6 38. Re5 Rd6 39. Kg2 Kf6 40. Rf5+ Ke7 41. a5 b6 42. b4 cxb4 43. cxb4 bxa5 44. bxa5 Rd7 45. a6 Rd6 46. Kf3 Rxa6 47. Ke4 Ra4+ 48. Ke5 Rf4 49. Rxf4 gxf4 50. Kxf4 a5 51. Ke4 a4 52. Kd4 a3 53. Kc3 Kd6 54. h4 Kxd5 55. g5 hxg5 56. hxg5 a2 57. Kb2 Ke6 58. g6 Kf6 59. g7 a1Q+ 60. Kxa1 Kxg7 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.12"]
[Round "7"]
[White "Elgersma, Onno"]
[Black "Van Foreest, Machteld"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2329"]
[BlackElo "2278"]
[PlyCount "114"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 Qc7 7. Be3 a6 8. Be2 Be7 9. 0-0 0-0 10. f4 d6 11. Qe1 Bd7 12. Qg3 Kh8 13. Rae1 Rad8 14. Kh1 Rfe8 15. Bd3 Bf8 16. Qh4 h6 17. Nf3 Be7 18. e5 Nh7 19. Qh5 f5 20. exf6 Nxf6 21. Qg6 Rf8 22. Nh4 d5 23. Qg3 Be8 24. Bf2 d4 25. Ne2 Qa5 26. Ng1 Qd5 27. Ngf3 Kg8 28. Ng6 Bxg6 29. Bxg6 Nh5 30. Bxh5 Qxh5 31. Rxe6 Bd6 32. Qh4 Qxh4 33. Bxh4 Rd7 34. g3 Bc5 35. Kg2 d3 36. c4 d2 37. Rd1 g5 38. fxg5 Rxf3 39. Rg6+ Kf7 40. Rxh6 Rf2+ 41. Kh3 Kg7 42. b4 Be7 43. b5 axb5 44. cxb5 Ne5 45. Re6 Nd3 46. g4 Re2 47. Rxe2 Nf4+ 48. Kg3 Nxe2+ 49. Kf2 Nc3 50. Rxd2 Rxd2+ 51. Kf3 Nxb5 52. Be1 Rxh2 53. a4 Nd4+ 54. Ke4 Re2+ 55. Kxd4 Rxe1 56. Kc4 Re4+ 57. Kb5 Rxg4 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.11"]
[Round "4"]
[White "Boulahfa, Hicham"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2071"]
[BlackElo "2329"]
[PlyCount "124"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Rb8 8. Qd2 Qa5 9. h4 b5 10. dxc5 Bxc5 11. Nd4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 b4 14. Ne2 b3+ 15. Qd2 Qxd2+ 16. Kxd2 bxc2 17. Kxc2 Nc5 18. Rh3 0-0 19. Ra3 Ba6 20. Nc3 Bxf1 21. Rxf1 d4 22. Na4 Na6 23. Kd2 f6 24. Rff3 fxe5 25. fxe5 Rfc8 26. Rad3 Nb4 27. Rxd4 Rc2+ 28. Kd1 Rxg2 29. Rd2 Rg1+ 30. Ke2 Nc6 31. Rd6 Nxe5 32. Rc3 Rg4 33. b3 Rxh4 34. Rxe6 Ng6 35. Rd6 Rh2+ 36. Kd3 Rxa2 37. Rc7 Rxb3+ 38. Nc3 Rf2 39. Kc4 Rb8 40. Ra6 Rf4+ 41. Kc5 Rf5+ 42. Kc4 Ne5+ 43. Kd5 Nd7+ 44. Ke4 Nc5+ 45. Kxf5 Nxa6 46. Rxa7 Nb4 47. Ne4 Rf8+ 48. Kg5 Nd5 49. Nd6 h6+ 50. Kg4 Nf6+ 51. Kh3 Rd8 52. Nf5 Rd3+ 53. Kg2 Rd7 54. Ra6 Kh7 55. Kf3 Rb7 56. Kf4 Rb4+ 57. Kf3 Nd5 58. Ng3 Rf4+ 59. Kg2 Rf6 60. Ra7 Kg6 61. Rb7 Nf4+ 62. Kf3 Nh5+ 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.11"]
[Round "5"]
[White "Palchuk, Andrii"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2364"]
[BlackElo "2329"]
[PlyCount "69"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 a5 7. Qc2 Nbd7 8. Nbd2 c5 9. cxd5 exd5 10. dxc5 Nxc5 11. Nb3 Nce4 12. Nbd4 Bg4 13. Be3 Rc8 14. Qd1 Bc5 15. h3 Bh5 16. Nf5 Bxe3 17. Nxe3 Re8 18. g4 Bg6 19. Qd4 Nc5 20. Rfd1 Ne6 21. Qe5 Be4 22. Rac1 Rxc1 23. Rxc1 h6 24. Nf5 Ng5 25. Qf4 Nxf3+ 26. Bxf3 Bxf5 27. Qxf5 Qb6 28. Rc8 Rxc8 29. Qxc8+ Kh7 30. b3 Qc6 31. Qf5+ g6 32. Qe5 Qe6 33. Qd4 b6 34. Kg2 Ne4 35. e3 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.10"]
[Round "3"]
[White "Elgersma, Onno"]
[Black "Blok, Xaveer"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2329"]
[BlackElo "1875"]
[PlyCount "135"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nxd4 6. Qxd4 Nf6 7. Bg5 e5 8. Bb5+ Bd7 9. Qa4 a6 10. Bxd7+ Qxd7 11. Bxf6 Qxa4 12. Nxa4 gxf6 13. Nb6 Rd8 14. Nd5 Be7 15. Ke2 Kd7 16. a4 Ke6 17. Ne3 h5 18. Rhd1 Bf8 19. Rd5 Rc8 20. c3 Rc5 21. Rxc5 dxc5 22. Rd1 Be7 23. Nf5 Rg8 24. g3 c4 25. f3 a5 26. Rd5 b6 27. h4 Bc5 28. Kf1 Rh8 29. Kg2 Rg8 30. Kh3 Rh8 31. g4 hxg4+ 32. fxg4 Rg8 33. h5 Rh8 34. Kg2 Rg8 35. Kf3 Rc8 36. Rd2 Rb8 37. h6 Rh8 38. Rd1 Rb8 39. h7 Rh8 40. Rh1 Kd7 41. Kg2 Ke8 42. Rh6 Kd7 43. Kg3 Kc7 44. Kf3 Kd7 45. Ke2 Kc7 46. Ng3 Bf8 47. Rh1 Kc6 48. Nf1 b5 49. axb5+ Kxb5 50. Ne3 Bg7 51. Kd2 a4 52. Kc2 Kc5 53. Rh3 Kb5 54. Nd5 Kc5 55. Rh1 Kb5 56. Kb1 Kc5 57. Ka2 Kb5 58. Ne3 Kc5 59. Nf5 Bf8 60. Ng3 Kb5 61. Nf1 Kc5 62. Nd2 Kb5 63. Nf3 Kc5 64. Rh3 Kb5 65. g5 Bg7 66. Rh5 Kc6 67. gxf6 Bxf6 68. Rh6 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.10"]
[Round "2"]
[White "Grooten, Tommy"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2094"]
[BlackElo "2329"]
[PlyCount "156"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Nf3 h6 6. Qb3 Be7 7. e4 dxe4 8. Ne5 0-0 9. Bc4 Qe8 10. Ng6 Nc6 11. Nxf8 Bxf8 12. Nd5 Nxd5 13. Bxd5 Nxd4 14. Qc4 Bb4+ 15. Kf1 c5 16. a3 Bd7 17. Qa2 Bb5+ 18. Bc4 Nc2 19. Rb1 e3 20. Bxe3 Nxe3+ 21. fxe3 Bd2 22. a4 Bxc4+ 23. Qxc4 Qxe3 24. Qe2 Qf4+ 25. Qf2 Qc4+ 26. Qe2 Qd4 27. Rd1 Rd8 28. b3 Rd5 29. g4 f5 30. Kg2 Qe4+ 31. Kf2 Rd4 32. Rhf1 Qf4+ 33. Kg2 Qxg4+ 34. Qxg4 Rxg4+ 35. Kh1 Be3 36. Rxf5 Bd4 37. Rd5 a6 38. a5 Kh7 39. b4 Bf6 40. bxc5 Ra4 41. Rb1 Rxa5 42. Rxb7 Ra1+ 43. Kg2 Rc1 44. Ra7 Rc2+ 45. Kg3 Rc3+ 46. Kg4 Kg6 47. Rxa6 h5+ 48. Kf4 h4 49. c6 h3 50. Kg4 Kf7 51. Rd7+ Ke6 52. Rb7 Be5 53. c7+ Kd7 54. c8Q+ Kxc8 55. Re7 Bc7 56. Rxg7 Rc2 57. Kf5 Kb7 58. Ra3 Kc6 59. Rxh3 Bxh2 60. Rg6+ Kb7 61. Rh7+ Bc7 62. Ke4 Rc1 63. Rg5 Rc2 64. Rb5+ Kc6 65. Rb3 Rc4+ 66. Kd3 Rc1 67. Rc3+ Rxc3+ 68. Kxc3 Be5+ 69. Kc4 Bf4 70. Rg7 Be5 71. Rg6+ Kb7 72. Re6 Bh2 73. Kb5 Bg3 74. Re7+ Ka8 75. Kb6 Bf2+ 76. Ka6 Bg3 77. Re8+ Bb8 78. Rxb8+ Kxb8 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.09"]
[Round "1"]
[White "Elgersma, Onno"]
[Black "Clemens, Adrian HP"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2329"]
[BlackElo "2012"]
[PlyCount "71"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. 0-0 Be7 7. d3 0-0 8. Re1 Nc6 9. Nc3 h6 10. Bf4 d4 11. Nb5 Nd5 12. Bd2 Bg4 13. h3 Be6 14. Na3 Nb6 15. Ne5 Nxe5 16. Rxe5 Qd7 17. Qh5 Bd6 18. Re2 Rfe8 19. Rae1 Bf8 20. b3 Rac8 21. Kh2 Red8 22. Nc4 Bd5 23. Ne5 Qd6 24. Bf4 Qf6 25. h4 Bxg2 26. Kxg2 Nd5 27. Bd2 b6 28. Re4 Rd6 29. a4 Rc7 30. Nc4 Rd8 31. Ne5 Rd6 32. Qe2 Qd8 33. Nc4 Rdd7 34. Re8 Qf6 35. Rxf8+ Kxf8 36. Qe8# 1-0

[Event "Noisiel op 9th"]
[Site "Noisiel"]
[Date "2024.04.11"]
[Round "9"]
[White "Nguyen, Piotr"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2398"]
[BlackElo "2352"]
[PlyCount "137"]
[EventDate "2024.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 d5 3. Nf3 e6 4. 0-0 Be7 5. d4 0-0 6. c4 a5 7. Nc3 c6 8. b3 b6 9. Ne5 Ba6 10. Qd3 Nfd7 11. Nf3 Nf6 12. Rd1 Nbd7 13. Bf4 Rc8 14. Rac1 Ba3 15. Rc2 Bb4 16. Nb1 h6 17. h4 a4 18. Nbd2 a3 19. e4 Be7 20. e5 dxc4 21. bxc4 Nd5 22. Qe4 Nb4 23. Rc3 c5 24. d5 Bb7 25. Nb1 b5 26. Bxh6 gxh6 27. Qg4+ Kh8 28. dxe6 Nf6 29. Rxd8 Nxg4 30. Rd7 Bxf3 31. Bxf3 Nxe5 32. Rxe7 Nxc4 33. Bb7 Nxa2 34. Rxc4 bxc4 35. Bxc8 c3 36. Nxa3 Rxc8 37. exf7 Rf8 38. Rc7 Kg7 39. Rxc5 Rxf7 40. Nb5 Rf3 41. Nd4 Rd3 42. Nf5+ Kg6 43. g4 Rd2 44. Rc6+ Kf7 45. Ne3 Nc1 46. Kg2 Ne2 47. h5 Nf4+ 48. Kf3 Nh3 49. Rxc3 Ng5+ 50. Kg2 Rxf2+ 51. Kxf2 Ne4+ 52. Kf3 Nxc3 53. Nf5 Kf6 54. Nxh6 Kg5 55. Nf7+ Kf6 56. Nd6 Nd5 57. Ke4 Nc3+ 58. Kf4 Nd5+ 59. Kg3 Nc3 60. Kh4 Nd5 61. g5+ Kg7 62. Kg4 Ne3+ 63. Kf4 Nd5+ 64. Ke5 Nc7 65. Nf5+ Kf7 66. g6+ Kf8 67. h6 Kg8 68. Ne7+ Kh8 69. g7+ 1-0

[Event "Noisiel op 9th"]
[Site "Noisiel"]
[Date "2024.04.09"]
[Round "6"]
[White "Elgersma, Onno"]
[Black "Priansh, Das"]
[Result "1/2-1/2"]
[ECO "C09"]
[WhiteElo "2352"]
[BlackElo "2234"]
[PlyCount "172"]
[EventDate "2024.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. Bd3 0-0 11. c3 Bf5 12. Bg5 Bg4 13. Re1 Qd7 14. h3 Bh5 15. Bxe7 Bxe7 16. Ne5 Bxd1 17. Nxd7 Rfd8 18. Raxd1 Rxd7 19. Bf5 Rdd8 20. Na5 Bf8 21. Nxb7 Rdb8 22. Bd7 Ne7 23. Na5 Rxb2 24. Nc6 Ng6 25. Rxd5 Rxa2 26. g3 a5 27. h4 Ba3 28. Nxa5 Bb2 29. Nc6 Bxc3 30. Re3 Bf6 31. h5 Nf8 32. Bh3 Rc2 33. Ne7+ Kh8 34. Nf5 h6 35. Rf3 Ra1+ 36. Kh2 Rc3 37. Rxc3 Bxc3 38. Rd8 Bb4 39. Rb8 Bc5 40. Rc8 Ra5 41. Kg2 Kg8 42. Bg4 g6 43. Nh4 Be7 44. hxg6 Bxh4 45. gxf7+ Kxf7 46. gxh4 Ng6 47. Kg3 Ne5 48. Bh5+ Kf6 49. f3 Ra1 50. Rf8+ Kg7 51. Rf5 Ng6 52. Rb5 Ne7 53. Bg4 Rg1+ 54. Kh2 Rc1 55. h5 Kf6 56. Kg3 Rc4 57. Ra5 Rc3 58. Bd7 Rc4 59. Ra6+ Kg5 60. Bg4 Rc6 61. Ra5+ Kf6 62. Kf4 Rc4+ 63. Ke3 Rc3+ 64. Ke4 Rc6 65. Ra8 Rc4+ 66. Kd3 Rc6 67. Rh8 Kg7 68. Rd8 Kf6 69. Kd4 Ra6 70. Kc5 Ra5+ 71. Kc4 Ra4+ 72. Kb5 Ra5+ 73. Kb6 Rd5 74. Ra8 Kg5 75. Kc7 Rd4 76. Ra5+ Rd5 77. Ra6 Rd4 78. Ra5+ Rd5 79. Ra4 Nf5 80. Ra6 Ne3 81. Rg6+ Kh4 82. Kc6 Rg5 83. Rxh6 Nxg4 84. fxg4 Kxg4 85. Rg6 Kxh5 86. Rxg5+ Kxg5 1/2-1/2

[Event "Noisiel op 9th"]
[Site "Noisiel"]
[Date "2024.04.09"]
[Round "5"]
[White "Keenan, Cathal"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2004"]
[BlackElo "2352"]
[PlyCount "114"]
[EventDate "2024.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. Nf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. e5 Nd7 9. c4 Nb6 10. b3 a5 11. a4 Bd7 12. Na3 Nb4 13. h4 Bc6 14. Rd1 Qd7 15. h5 h6 16. Bf4 Rfd8 17. Nh2 dxc4 18. dxc4 Nd3 19. Bxc6 Nxf4 20. gxf4 Qxc6 21. Nb5 Rxd1+ 22. Rxd1 Rd8 23. Rxd8+ Bxd8 24. Nf1 f5 25. Qd2 Qd7 26. Qd6 Qxd6 27. Nxd6 Nd7 28. Nxb7 Bb6 29. Nd2 Nb8 30. Nf3 Nc6 31. Kf1 Kh7 32. Nh4 Ne7 33. Nd6 Bd8 34. Ne8 Kg8 35. Ng6 Nxg6 36. hxg6 Kf8 37. Nd6 Ke7 38. Kg2 Bc7 39. Nb7 Bb6 40. Kh3 Kd7 41. Kh4 Bd8+ 42. Kh5 Bb6 43. Nd6 Bc7 44. Nf7 Ke7 45. Nxh6 Bb8 46. Nf7 Bc7 47. Ng5 Kd7 48. Nh7 Bd8 49. Nf6+ Ke7 50. f3 Bc7 51. Nd5+ Kd7 52. Ne3 Bd8 53. Ng4 Ke8 54. Nh6 Kf8 55. Nf7 Be7 56. Nh8 Ke8 57. Nf7 Kf8 1/2-1/2

[Event "Noisiel op 9th"]
[Site "Noisiel"]
[Date "2024.04.07"]
[Round "3"]
[White "Vlachos, Anatole"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2482"]
[BlackElo "2352"]
[PlyCount "107"]
[EventDate "2024.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 0-0 9. dxc5 Qa5 10. Nd4 Bxc5 11. Nb3 Bxe3 12. Qxe3 Qb6 13. Qxb6 Nxb6 14. 0-0-0 a6 15. g3 Bd7 16. Nc5 Rfc8 17. Nxb7 d4 18. Ne2 d3 19. Nc3 Nb4 20. Bxd3 Nxd3+ 21. cxd3 Nd5 22. Nd6 Nxc3 23. bxc3 Rxc3+ 24. Kb2 Rc5 25. Rc1 Rb8+ 26. Ka1 Rd5 27. Rc7 Bb5 28. Rhc1 h6 29. Rc8+ Rxc8 30. Rxc8+ Kh7 31. Nxf7 Bxd3 32. Nd6 Bg6 33. g4 Rd1+ 34. Kb2 Rd2+ 35. Kc3 Rc2+ 36. Kb3 Rf2 37. Rf8 Bc2+ 38. Kc3 Bd1 39. h3 h5 40. Ne4 hxg4 41. hxg4 Rc2+ 42. Kd3 Rxa2 43. Ng5+ Kg6 44. Nxe6 Bxg4 45. Nd4 Bd7 46. e6 Ba4 47. e7 Ra3+ 48. Ke4 Ra1 49. Nf3 Bc6+ 50. Kd4 Ra4+ 51. Kc5 Bb5 52. Ne5+ Kh7 53. Rb8 Ra5 54. Nc6 1-0

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2024.03.31"]
[Round "7"]
[White "Costa, Leonardo"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2479"]
[BlackElo "2351"]
[PlyCount "91"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Rb1 Bd7 9. h4 h6 10. h5 Ne7 11. b4 cxb3 12. Nxb3 Nxb3 13. Nd2 Ba4 14. Nxb3 Nc6 15. Bd3 Na5 16. Bc2 Nxb3 17. Bxb3 Bxb3 18. Rxb3 Qa6 19. Rh3 0-0-0 20. Rf3 Rd7 21. Rb1 Rc7 22. Qb3 Rg8 23. a4 Qc6 24. Qb5 Qxb5 25. axb5 b6 26. Ke2 Kd8 27. Bd2 Ke8 28. Rg3 g5 29. f4 g4 30. f5 exf5 31. Rf1 Be7 32. Rxf5 Bh4 33. Rd3 Rh8 34. Rf1 Ke7 35. Rh1 Bg5 36. Bxg5+ hxg5 37. Kf2 Ke6 38. Kg3 Rc4 39. Kxg4 Ra4 40. Rf3 Ra2 41. Rf6+ Ke7 42. g3 Re2 43. h6 Re4+ 44. Kf5 Re3 45. Rc6 Kd7 46. h7 1-0

[Event "Titled Tuesday intern op 13th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.13"]
[Round "5"]
[White "Carrasco Miranda, Andres"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2234"]
[BlackElo "2323"]
[PlyCount "54"]
[EventDate "2024.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 Nc6 5. Nf3 Bf5 6. e4 Bg4 7. h3 Bxf3 8. Bxf3 e6 9. h4 h5 10. d3 Nge7 11. Be3 Qd7 12. d4 e5 13. d5 Nd4 14. Bg2 0-0 15. Bh3 f5 16. Bg5 Rae8 17. 0-0 c5 18. f4 exf4 19. Rxf4 Qc7 20. Bxe7 Qxe7 21. exf5 Qe3+ 22. Kh2 Nxf5 23. Bxf5 Rxf5 24. Rxf5 gxf5 25. Qxh5 Qf2+ 26. Kh3 Re3 27. Qg6 f4 0-1

[Event "Titled Tuesday intern op 13th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.13"]
[Round "6"]
[White "Elgersma, Onno"]
[Black "Levitan, Judah Nathan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2323"]
[BlackElo "2015"]
[PlyCount "45"]
[EventDate "2024.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. c3 d5 2. Nf3 c5 3. d4 Nc6 4. dxc5 e5 5. b4 a6 6. e3 Bg4 7. Be2 Nf6 8. Bb2 Be7 9. Nbd2 0-0 10. a3 e4 11. Nd4 Bxe2 12. Qxe2 Ne5 13. 0-0 Nd3 14. Rab1 a5 15. Nf5 Qd7 16. Nxe7+ Qxe7 17. Nb3 Qe5 18. Nd4 Qg5 19. f4 Qg4 20. Qd2 Nd7 21. h3 Qg3 22. Nf5 Qf3 23. gxf3 1-0

[Event "Titled Tuesday intern op 13th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.13"]
[Round "4"]
[White "Elgersma, Onno"]
[Black "Rose, Felix"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2323"]
[BlackElo "2091"]
[PlyCount "71"]
[EventDate "2024.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. c3 d5 2. Nf3 Nf6 3. d4 e6 4. Bf4 Bd6 5. Bg3 0-0 6. Nbd2 c5 7. e3 b6 8. Ne5 Bb7 9. Bd3 Nc6 10. 0-0 Qc7 11. f4 Ne7 12. Bh4 Nf5 13. Bxf6 gxf6 14. Bxf5 exf5 15. Qh5 fxe5 16. Qg5+ Kh8 17. Qf6+ Kg8 18. Rf3 exf4 19. Qg5+ Kh8 20. Qf6+ Kg8 21. exf4 Bxf4 22. Raf1 Qd6 23. Qh4 Bxd2 24. Rg3+ Kh8 25. Rxf5 Qe6 26. Re5 Qh6 27. Rh5 Qe3+ 28. Rxe3 Bxe3+ 29. Kh1 h6 30. Qf6+ Kg8 31. Qe7 Ba6 32. Qxe3 Rae8 33. Qg3+ Kh7 34. h3 Rg8 35. Qf4 cxd4 36. Qxh6# 1-0

[Event "Titled Tuesday intern op 13th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.13"]
[Round "7"]
[White "Elgersma, Onno"]
[Black "Szczepanek, Radoslaw"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2323"]
[BlackElo "2205"]
[PlyCount "49"]
[EventDate "2024.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. c3 e5 2. d4 e4 3. Bf4 d5 4. e3 Bd6 5. Bxd6 Qxd6 6. c4 c6 7. Nc3 Nf6 8. Qb3 0-0 9. Rc1 a6 10. Nge2 b5 11. cxd5 cxd5 12. Nf4 Be6 13. Be2 Nc6 14. 0-0 Nxd4 15. Qd1 Nf5 16. Qd2 Rad8 17. Rfd1 d4 18. Nxe6 Qxe6 19. exd4 Nxd4 20. Qe3 Nxe2+ 21. Nxe2 Qxa2 22. Nd4 Qxb2 23. Nf5 Rfe8 24. Qg5 Rf8 25. Qxg7# 1-0

[Event "Titled Tuesday intern op 13th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.13"]
[Round "3"]
[White "Merriman, John"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "A60"]
[WhiteElo "2251"]
[BlackElo "2323"]
[PlyCount "67"]
[EventDate "2024.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 d6 5. e4 g6 6. Nge2 Bg7 7. Ng3 exd5 8. cxd5 h5 9. Be2 h4 10. Nf1 Na6 11. Bg5 h3 12. g3 0-0 13. Nd2 Re8 14. 0-0 Nc7 15. a4 Na6 16. Nc4 Nb4 17. f4 Qd7 18. Bf3 Nh7 19. Bh4 a6 20. Nb6 Bd4+ 21. Kh1 Qc7 22. Nxa8 Qb8 23. Nb6 f5 24. Nxc8 Qxc8 25. Re1 Nf6 26. Bxf6 Bxf6 27. Qd2 Bd4 28. exf5 Rxe1+ 29. Rxe1 Qxf5 30. Be4 Qg4 31. Qe2 Qd7 32. Bxg6 Kg7 33. Bb1 Qf7 34. Qe7 1-0

[Event "Titled Tuesday intern op 13th Feb Early"]
[Site "Chess.com INT"]
[Date "2024.02.13"]
[Round "8"]
[White "Yeremyan, Alen"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2279"]
[BlackElo "2323"]
[PlyCount "117"]
[EventDate "2024.02.13"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. g3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Nc3 Nf6 7. Bg2 Nbd7 8. 0-0 Be7 9. d4 0-0 10. h3 b6 11. Ne2 Bb7 12. b3 c5 13. Bb2 Rc8 14. c4 cxd4 15. Nexd4 Nc5 16. Qe2 a6 17. Rad1 Qc7 18. Rfe1 Rfe8 19. Bc1 Qb8 20. b4 Nce4 21. Qb2 Rxc4 22. a3 Rec8 23. Bf4 Qa8 24. Ne5 Nc3 25. Nxc4 Nxd1 26. Rxd1 Rxc4 27. Bf1 Rc8 28. Qe2 Nd5 29. Nxe6 fxe6 30. Qxe6+ Kh8 31. Be5 Bf6 32. Bd6 Re8 33. Qf5 Nc3 34. Rd2 Re1 35. Bc7 Qe8 36. Qd3 Ne4 37. Re2 Rxe2 38. Qxe2 Qe7 39. Bxb6 Ng5 40. Qxe7 Bxe7 41. f4 Nf3+ 42. Kf2 Nd2 43. Bd3 Ne4+ 44. Ke3 Nxg3 45. Bd4 Bd6 46. Be5 Bxe5 47. fxe5 Nh5 48. Kd4 g5 49. Kc5 Nf4 50. Bf5 h5 51. Kb6 Bd5 52. Kxa6 Be6 53. Be4 g4 54. hxg4 hxg4 55. b5 g3 56. b6 Bc4+ 57. Ka7 Bd5 58. Bxd5 Nxd5 59. b7 1-0

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.30"]
[Round "9"]
[White "Elgersma, Onno"]
[Black "Van Foreest, Machteld"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2310"]
[BlackElo "2344"]
[PlyCount "78"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. 0-0 d6 7. c3 Bg4 8. h3 Bh5 9. Rd1 Rc8 10. Na3 Be7 11. g4 Bg6 12. d4 exd4 13. cxd4 Nxe4 14. d5 Nb4 15. Nh2 Nf6 16. f4 h6 17. f5 Bh7 18. Nb5 a6 19. Nc3 c4 20. Rf1 0-0 21. Be3 Re8 22. Qd2 Nd3 23. h4 b5 24. g5 Nh5 25. Ne4 hxg5 26. hxg5 Qd7 27. Qe2 g6 28. Ng4 Kh8 29. Bd4+ Ne5 30. Bh3 Qb7 31. Nxe5 dxe5 32. Bxe5+ Kg8 33. fxg6 Bxg6 34. Bxc8 Qxd5 35. Bf5 Bc5+ 36. Nxc5 Rxe5 37. Bxg6 Rxg5+ 38. Kh2 Qd6+ 39. Kh1 Ng3+ 0-1

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.29"]
[Round "8"]
[White "Krasenkow, Michal"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2532"]
[BlackElo "2310"]
[PlyCount "159"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Nge2 Re8 10. Qc2 Nbd7 11. 0-0 a5 12. f3 b5 13. Rae1 Ba6 14. Bf2 Qb6 15. Bf5 Qb7 16. e4 b4 17. Na4 dxe4 18. fxe4 Nf8 19. e5 Nd5 20. Bd3 Bxd3 21. Qxd3 Qb5 22. Qc2 Ne6 23. b3 Rad8 24. Ng3 Ndf4 25. Rd1 Bg5 26. Rfe1 c5 27. Nxc5 Nxc5 28. Qxc5 Qb7 29. d5 Nxd5 30. Ne4 Nf4 31. Rxd8 Rxd8 32. Qb6 Ne2+ 33. Kf1 Qxe4 34. Rxe2 Rd1+ 35. Be1 Qd3 36. Qxa5 Qf5+ 37. Kg1 Bd2 38. Qd8+ Kh7 39. Qxd2 Rxd2 40. Bxd2 Qc2 41. Kf2 Qxa2 42. Bxb4 Qxb3 43. Be1 Kg6 44. h3 Kf5 45. Kf1 Qd3 46. Kf2 h5 47. Kf1 g5 48. Kf2 g4 49. hxg4+ hxg4 50. Re3 Qc2+ 51. Kf1 Qc4+ 52. Kf2 Qf4+ 53. Ke2 Qh2 54. Kf2 Ke6 55. Re4 Kf5 56. Rb4 Kg5 57. Bd2+ Kf5 58. Be1 Qh4+ 59. g3 Qh2+ 60. Kf1 Kxe5 61. Rf4 f5 62. Bc3+ Ke6 63. Be1 Qh1+ 64. Kf2 Qd5 65. Kg1 Qd3 66. Bf2 Kd5 67. Kg2 Ke5 68. Kg1 Qb1+ 69. Kg2 Qd1 70. Kh2 Ke6 71. Kg2 Qb1 72. Rd4 Qb7+ 73. Kg1 Kf7 74. Rf4 Kg6 75. Rd4 Qf3 76. Rf4 Qd1+ 77. Kg2 Kf6 78. Bd4+ Ke6 79. Bf2 Ke5 80. Kh2 1/2-1/2

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.28"]
[Round "7"]
[White "Elgersma, Onno"]
[Black "Van Helvoort, Rob AM"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2310"]
[BlackElo "2098"]
[PlyCount "141"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Ng3 Be7 9. Re1 0-0 10. c3 Bxf3 11. Qxf3 c6 12. Bc2 Re8 13. a4 a5 14. Bd2 c5 15. dxc5 Nxc5 16. Rad1 Qd5 17. Qe2 Qc6 18. Qc4 Qb6 19. Bc1 Rac8 20. Qe2 Qc6 21. Rd4 Red8 22. Rh4 g6 23. Bg5 Rd5 24. Qe3 Rxg5 25. Qxg5 Nd5 26. Qh6 Bxh4 27. Qxh4 Qb6 28. Rb1 Qc7 29. Ne2 Nd7 30. Nd4 e5 31. Nf3 Kg7 32. Rd1 N7b6 33. Qe4 Nf6 34. Qxe5 Nc4 35. Qxc7 Rxc7 36. Rb1 Rd7 37. Nd4 Nd5 38. g3 Nb4 39. Rd1 Nxc2 40. Ne6+ Kf6 41. Rxd7 Kxe6 42. Rxb7 Ne1 43. b4 Nd3 44. bxa5 Nxa5 45. Rb5 Nc6 46. a5 Kd6 47. Rb7 Nxa5 48. Rxf7 Nb3 49. Rxh7 Ke5 50. f4+ Kf5 51. Kf1 Ke4 52. Ke2 Ndc1+ 53. Kd1 Nd3 54. Re7+ Kf3 55. Kc2 Nbc5 56. Re8 Nf2 57. Rg8 Ng4 58. Rxg6 Ne4 59. h3 Ne3+ 60. Kd3 Nf2+ 61. Kd4 Nf5+ 62. Ke5 Nxg3 63. Rxg3+ Kxg3 64. f5 Kxh3 65. f6 Ng4+ 66. Ke6 Nh6 67. c4 Kg4 68. c5 Kg5 69. f7 Nxf7 70. Kxf7 Kf5 71. c6 1-0

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.27"]
[Round "6"]
[White "Toktomushev, Teimur"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2249"]
[BlackElo "2310"]
[PlyCount "79"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 d5 6. Bg2 0-0 7. Qc2 c5 8. cxd5 cxd4 9. Nxd4 Qb6 10. e3 exd5 11. 0-0 Nc6 12. Nxc6 bxc6 13. Rc1 Be6 14. Qxc6 Bxd2 15. Nxd2 Qxb2 16. Qc3 Rfb8 17. Nb3 Qxc3 18. Rxc3 h5 19. h3 a4 20. Nd4 Rb2 21. a3 Rab8 22. Rac1 Ra2 23. R1c2 Rb1+ 24. Kh2 Raa1 25. Nxe6 fxe6 26. Rc7 Kh7 27. Ra7 Rc1 28. Rxc1 Rxc1 29. Rxa4 Ra1 30. Bf3 e5 31. g4 hxg4 32. Bxg4 Kg6 33. Be6 Ra2 34. Kg1 Rd2 35. Ra5 d4 36. Kf1 d3 37. Rxe5 Rd1+ 38. Kg2 d2 39. Bb3 Rc1 40. Kf3 1/2-1/2

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.26"]
[Round "5"]
[White "Elgersma, Onno"]
[Black "Nicolai, Amir"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2310"]
[BlackElo "2156"]
[PlyCount "109"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. c3 0-0 7. d4 Ba7 8. dxe5 Nxe4 9. Bc2 d5 10. exd6 Nxd6 11. Bg5 f6 12. Bf4 g5 13. Qd3 Qd7 14. Bxd6 cxd6 15. Nbd2 Ne5 16. Qd5+ Qe6 17. Bb3 Qxd5 18. Bxd5+ Kg7 19. Rad1 Rb8 20. Nc4 Rd8 21. Rfe1 Bg4 22. Ne3 Bxe3 23. Rxe3 Bxf3 24. Bxf3 Nxf3+ 25. Rxf3 Rbc8 26. h4 h6 27. Rfd3 Rc6 28. Re1 Kf7 29. hxg5 hxg5 30. Rh3 b5 31. Rh7+ Kg6 32. Ra7 Kf5 33. f3 d5 34. g4+ Kf4 35. Kg2 Rdd6 36. Rd1 f5 37. Rf7 Rf6 38. Re7 Rce6 39. Rd4+ Ke5 40. Rd7 Rd6 41. Re7+ Rde6 42. Rg7 Rg6 43. Rxg6 Rxg6 44. gxf5 Rf6 45. Kg3 Rxf5 46. Kg4 Rf8 47. Rd3 Rg8 48. Rd2 a5 49. Re2+ Kf6 50. Rh2 b4 51. Rh6+ Ke5 52. Rc6 bxc3 53. bxc3 Rf8 54. Rg6 Rf4+ 55. Kg3 1/2-1/2

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.24"]
[Round "4"]
[White "Kanyamarala, Trisha"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2184"]
[BlackElo "2310"]
[PlyCount "123"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 exd5 6. Bg5 Be6 7. Bxf6 Qxf6 8. e4 dxe4 9. Nxe4 Qf4 10. Bb5+ Nc6 11. Qe2 Be7 12. 0-0 0-0 13. Nxc5 Bxc5 14. dxc5 Bd5 15. Bxc6 bxc6 16. Qd2 Qg4 17. h3 Qh5 18. Nh2 Rad8 19. Qc3 Qg5 20. Qg3 Qd2 21. b3 Qb4 22. Rac1 a5 23. Rfe1 a4 24. bxa4 Qxa4 25. a3 h5 26. Qg5 Qxa3 27. Qxh5 Rde8 28. Ng4 Qb4 29. Ne3 Be4 30. Qh4 Qb5 31. Nc4 Bd5 32. Nd6 Rxe1+ 33. Rxe1 Qa5 34. Re3 Be6 35. Rg3 Ra8 36. Ne4 g6 37. Ng5 Qa1+ 38. Kh2 Bd5 39. Ne4 Kg7 40. Nd6 Qf6 41. Rg5 Be6 42. Qg3 Qd4 43. Rf5 Qb2 44. Rf3 Ra1 45. Ne8+ Kf8 46. Nf6 Kg7 47. Qh4 Qe5+ 48. g3 Bf5 49. Qh7+ Kxf6 50. Qh8+ Ke6 51. Re3 Be4 52. Rxe4 Rh1+ 53. Kxh1 Qxe4+ 54. Kh2 Kd5 55. Qf8 Qf3 56. Qd6+ Kc4 57. Kg1 Qe4 58. h4 Qb1+ 59. Kg2 Qe4+ 60. Kg1 Qb1+ 61. Kg2 Qe4+ 62. Kg1 1/2-1/2

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.23"]
[Round "3"]
[White "Elgersma, Onno"]
[Black "Tiviakov, Sergei"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2310"]
[BlackElo "2536"]
[PlyCount "84"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Ng3 Be7 9. Re1 0-0 10. Qe2 Bxf3 11. Qxf3 c6 12. c3 Re8 13. Bc2 a5 14. a4 Qc7 15. Ne4 Nxe4 16. Qxe4 g6 17. g3 Rad8 18. Bf4 Qb6 19. Rab1 Nf6 20. Qf3 Rd7 21. Re2 Nd5 22. Bh6 Bf8 23. Bxf8 Rxf8 24. h4 Qd8 25. Re5 Kg7 26. h5 b6 27. Bb3 Rd6 28. Rbe1 Nf6 29. g4 gxh5 30. gxh5 Rg8 31. Rg5+ Kh6 32. Rxg8 Qxg8+ 33. Kf1 Qg5 34. Re5 Qh4 35. Qe3+ Kg7 36. Rg5+ Kf8 37. Ke2 Ke7 38. Qg3 Qe4+ 39. Kd2 Qb1 40. Bc2 Qxb2 41. Qh4 c5 42. d5 Kd7 0-1

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.22"]
[Round "2"]
[White "Stremavicius, Titas"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2550"]
[BlackElo "2310"]
[PlyCount "63"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Be7 5. d4 0-0 6. c4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3 11. Bxf3 Nc6 12. Bxc6 bxc6 13. a5 Rb8 14. Ra4 Rb4 15. Na2 Rb5 16. Rxc4 Rxa5 17. Bd2 Rh5 18. Rxc6 Qd5 19. Bb4 Ng4 20. e4 Qxa2 21. Bxe7 Rxh2 22. Rf1 Ne3 23. Qe2 Nxf1 24. Qxf1 Rh5 25. Bxf8 Kxf8 26. Qc1 Qb3 27. Rxa6 Qf3 28. Ra8+ Ke7 29. Qxc7+ Kf6 30. Qf4+ Qxf4 31. gxf4 Rb5 32. Ra7 1/2-1/2

[Event "Titled Tuesday intern op 12th Dec Early"]
[Site "Chess.com INT"]
[Date "2023.12.12"]
[Round "4"]
[White "Dubreuil, Julien"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2111"]
[BlackElo "2310"]
[PlyCount "131"]
[EventDate "2023.12.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bf4 Nc6 5. Qd2 Bg7 6. Nf3 Bg4 7. 0-0-0 Bxf3 8. gxf3 e5 9. dxe5 Nxe5 10. Bb5+ Nfd7 11. Qe3 0-0 12. h4 h5 13. Rhg1 c6 14. Be2 Qxh4 15. Bg5 Qh2 16. Rh1 Qg2 17. Rdg1 Qxg5 18. Qxg5 d5 19. Rxh5 d4 20. f4 dxc3 21. fxe5 cxb2+ 22. Kb1 Nxe5 23. f4 Nd7 24. Bc4 Nf6 25. Qxf6 Bxf6 26. Rxg6+ Bg7 27. Rhg5 b5 28. Rxg7+ Kh8 29. Bd3 a5 30. f5 Rg8 31. f6 Rxg7 32. Rxg7 a4 33. Kxb2 c5 34. e5 c4 35. Be4 Rd8 36. Rh7+ Kg8 37. Bg6 fxg6 38. Rg7+ Kh8 39. e6 b4 40. a3 c3+ 41. Ka2 b3+ 42. cxb3 Rd2+ 43. Kb1 axb3 44. Rd7 Re2 45. Rd8+ Kh7 46. Rd1 Rxe6 47. Rh1+ Kg8 48. a4 Rxf6 49. Rg1 Ra6 50. a5 Rxa5 51. Rxg6+ Kf7 52. Rg3 c2+ 53. Kb2 Ra2+ 54. Kxb3 c1Q 55. Kxa2 Qc4+ 56. Rb3 Qc2+ 57. Ka3 Ke6 58. Rb4 Qc5 59. Ka4 Kd6 60. Kb3 Qe3+ 61. Kc4 Kc6 62. Ra4 Qe4+ 63. Kb3 Qd3+ 64. Kb4 Qc2 65. Ka3 Kc5 66. Ra7 1-0

[Event "Rome City op 5th"]
[Site "Rome"]
[Date "2023.12.10"]
[Round "9"]
[White "Elgersma, Onno"]
[Black "Gomez Ledo, Roberto Carlos"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2310"]
[BlackElo "2448"]
[PlyCount "80"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 d6 7. c4 Bg4 8. Nc3 0-0 9. h3 Bh5 10. Be3 Nd7 11. Nd5 Nc5 12. Bxc5 dxc5 13. Bxc6 bxc6 14. Ne3 f6 15. Rc1 Re8 16. Rc3 Bf8 17. Qe2 Rb8 18. Rb1 Qd7 19. Nf5 Bf7 20. Ra3 Rb6 21. Qe3 Reb8 22. b3 Ra8 23. Ra5 Qc8 24. Ne1 Rbb8 25. Nc2 Qb7 26. Qd2 Rd8 27. Qc3 Qb6 28. Rd1 Rd7 29. Rd2 Rad8 30. Ra4 Be6 31. Nfe3 g6 32. Qa5 Ra8 33. Ne1 Kh8 34. Nf3 Bg7 35. Ra3 Kg8 36. Rd1 Kh8 37. Ra4 Kg8 38. Nf1 Kh8 39. Ng3 Kg8 40. Ne2 Kh8 1/2-1/2

[Event "Rome City op 5th"]
[Site "Rome"]
[Date "2023.12.08"]
[Round "7"]
[White "Elgersma, Onno"]
[Black "Krishna, C Revanth Gopala"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2310"]
[BlackElo "2396"]
[PlyCount "90"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd7 7. 0-0 Nc6 8. Nb3 Nf6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Bb3 Bd6 12. c3 Qc7 13. h3 Bd7 14. Bg5 Bh2+ 15. Kh1 Bf4 16. Bxf6 gxf6 17. Qh5 Qe5 18. Qf3 Qc7 19. Qh5 Qe5 20. Qf3 Qc7 21. Ne2 Be5 22. Qh5 f5 23. f4 Bf6 24. Qh6 Ke7 25. Nd4 Rag8 26. Qh5 Rg6 27. Rae1 Kf8 28. Rf2 Rhg8 29. Rd1 Kg7 30. Qf3 Kh8 31. Rfd2 Be8 32. Rf2 Rg3 33. Qh5 a5 34. Rdd2 a4 35. Bd1 a3 36. Ne2 Rxg2 37. Rxg2 Bc6 38. Nd4 Rxg2 39. Rxg2 Bxg2+ 40. Kxg2 axb2 41. Nb5 Qc6+ 42. Bf3 Qd7 43. Na3 Kg7 44. Be2 Qa4 45. Nb1 Qe4+ 0-1

[Event "Rome City op 5th"]
[Site "Rome"]
[Date "2023.12.07"]
[Round "6"]
[White "Dhulipalla, Bala Chandra Prasad"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2396"]
[BlackElo "2310"]
[PlyCount "143"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 a5 7. Qc2 Nc6 8. Bd2 Bd7 9. a3 a4 10. cxd5 exd5 11. Nc3 h6 12. Bf4 Re8 13. Rad1 Qc8 14. Be5 Bf5 15. Qc1 Qd7 16. Bxf6 Bxf6 17. Ne5 Nxe5 18. dxe5 Bxe5 19. Nxd5 Qb5 20. Nxc7 Bxc7 21. Rd5 Qxe2 22. Rxf5 Qe6 23. Qc2 Be5 24. Re1 Rac8 25. Qb1 Rc5 26. Rf3 Rd8 27. b4 axb3 28. Rxb3 Qf6 29. Rf3 Qe7 30. Rfe3 g6 31. Qb4 Qc7 32. Qxb7 Qxb7 33. Bxb7 Bd4 34. Rd1 Rc7 35. Ba6 Rcd7 36. Red3 Rd6 37. a4 Bc5 38. a5 Rxd3 39. Bxd3 Kg7 40. a6 Ba7 41. Kf1 Kf6 42. Ke2 Rb8 43. Rd2 Re8+ 44. Kd1 Rd8 45. Kc2 g5 46. g4 Rd4 47. f3 Ra4 48. Kb3 Ra1 49. Rc2 Ke5 50. Rc6 f6 51. Be4 Bg1 52. h3 Bd4 53. Kb4 Ra2 54. Kb5 Bg1 55. Rc1 Bf2 56. Bb7 Kf4 57. Kb4 Ke5 58. Rc4 Bg1 59. Kb5 f5 60. Rc6 Rb2+ 61. Ka4 fxg4 62. hxg4 Rb1 63. Rxh6 Be3 64. Rc6 Ba7 65. Rc4 Rf1 66. Kb5 Kd6 67. Be4 Bg1 68. Rc6+ Ke5 69. Rc5+ Bxc5 70. Kxc5 Ra1 71. Kb6 Ra2 72. a7 1-0

[Event "Rome City op 5th"]
[Site "Rome"]
[Date "2023.12.07"]
[Round "5"]
[White "Elgersma, Onno"]
[Black "Vignesh, NR."]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2310"]
[BlackElo "2529"]
[PlyCount "50"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f3 Be7 10. h4 Nxd4 11. Qxd4 Qc7 12. Kb1 b5 13. g4 Rb8 14. Be3 b4 15. Ne2 0-0 16. Ng3 Rfc8 17. Re1 e5 18. Qd2 Be6 19. g5 Qa5 20. b3 Ne8 21. Bh3 Rc3 22. g6 Nc7 23. gxf7+ Bxf7 24. Nf5 Nb5 25. Nxe7+ Kf8 1-0

[Event "Rome City op 5th"]
[Site "Rome"]
[Date "2023.12.06"]
[Round "4"]
[White "Dhruva, Thota"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2182"]
[BlackElo "2310"]
[PlyCount "64"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Na3 Nf5 7. Nc2 cxd4 8. cxd4 Qb6 9. Bd3 Bd7 10. 0-0 Rc8 11. Bd2 h6 12. b4 Be7 13. a4 a5 14. g4 Nh4 15. Nxh4 Bxh4 16. b5 Nb4 17. Bxb4 axb4 18. a5 Qc7 19. Nxb4 Qc3 20. Nc2 0-0 21. a6 bxa6 22. bxa6 f6 23. exf6 Bxf6 24. a7 Qc7 25. Qe2 Ra8 26. f4 Rxa7 27. g5 Bd8 28. gxh6 Rxa1 29. Rxa1 Qxf4 30. hxg7 Kxg7 31. Qg2+ Qg5 32. Ne1 Rf4 0-1

[Event "Rome City op 5th"]
[Site "Rome"]
[Date "2023.12.05"]
[Round "2"]
[White "Elgersma, Onno"]
[Black "Can, Emre"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2310"]
[BlackElo "2563"]
[PlyCount "54"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 b6 8. a4 a5 9. h3 Qc7 10. Be3 Nf6 11. Na3 Ba6 12. Qd2 h6 13. Rad1 0-0-0 14. Qc3 Nd7 15. Qb3 f5 16. exf5 gxf5 17. Nh4 f4 18. Bd2 Bf6 19. Nf5 Rdg8 20. Qe6 Kb8 21. Nc4 Rg6 22. Ne7 Nf8 23. Nxc6+ Kb7 24. Qd5 Qxc6 25. Qxc6+ Kxc6 26. Nxe5+ Bxe5 27. Rxe5 Ne6 0-1

[Event "Rome City op 5th"]
[Site "Rome"]
[Date "2023.12.05"]
[Round "3"]
[White "Pacilli, Emanuele"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2097"]
[BlackElo "2310"]
[PlyCount "60"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. c3 b6 6. g4 Bb7 7. Bg2 Nbd7 8. g5 Nd5 9. Nxe4 Be7 10. Qg4 Qc8 11. Ne2 0-0 12. Rg1 c5 13. N2g3 g6 14. dxc5 Ne5 15. Qh4 Nd3+ 16. Kd2 Nxe3 17. Nf6+ Bxf6 18. Bxb7 Qxb7 19. gxf6 Rfd8 20. Qh6 Nf4+ 21. Kc1 Ne2+ 22. Nxe2 Nf5 23. Qf4 bxc5 24. Kc2 Rab8 25. b3 c4 26. b4 Qa6 27. Rg4 Qa4+ 28. Kb2 a5 29. Re1 axb4 30. Qxc4 bxc3+ 0-1

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.28"]
[Round "9"]
[White "Lodici, Lorenzo"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2537"]
[BlackElo "2266"]
[PlyCount "109"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. d4 0-0 6. Nc3 dxc4 7. Ne5 Qd6 8. 0-0 Qa6 9. a4 Rd8 10. Nb5 Ne8 11. Qc2 c6 12. Na3 Rxd4 13. Be3 Rd8 14. Naxc4 Nd7 15. Nd3 Nef6 16. b4 Nd5 17. Bd2 N7b6 18. Ncb2 e5 19. e4 Nf6 20. Nxe5 Qe2 21. Rad1 Qh5 22. Nbd3 Ng4 23. Nxg4 Qxg4 24. Nf4 g5 25. h3 Qd7 26. Bc3 Qe8 27. Nh5 Be6 28. Nf6+ Bxf6 29. Bxf6 Rxd1 30. Qxd1 h6 31. f4 Nd7 32. fxg5 Nxf6 33. Rxf6 Qd8 34. Qh5 Qd4+ 35. Kh2 Qe5 36. Qxh6 Rd8 37. Rf4 Qg7 38. Qh4 Rd2 39. Rf6 Qh7 40. Rh6 Qg7 41. Qf4 Qd4 42. g6 Bc4 43. gxf7+ Bxf7 44. Qg5+ Kf8 45. Rh8+ Qxh8 46. Qxd2 Qe5 47. h4 b6 48. Qf4 Qb2 49. Qd6+ Kg7 50. Qe7 a5 51. bxa5 bxa5 52. e5 Qa2 53. e6 Qxe6 54. Qxe6 Bxe6 55. Bxc6 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.27"]
[Round "8"]
[White "Elgersma, Onno"]
[Black "Kazarjan, Gachatur"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2266"]
[BlackElo "1970"]
[PlyCount "41"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[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. Nc3 Nf6 4. e5 dxe5 5. Nxe5 g6 6. Bc4 e6 7. Bb5+ Nbd7 8. Qf3 Qe7 9. d4 cxd4 10. Bg5 dxc3 11. Bxf6 cxb2 12. 0-0 bxa1Q 13. Rxa1 Qc5 14. Qxb7 Qd5 15. Qxd5 exd5 16. Nxd7 Bxd7 17. Re1+ Be7 18. Rxe7+ Kf8 19. Rxd7 Rg8 20. Bc6 Rb8 21. h4 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.26"]
[Round "7"]
[White "Elgersma, Onno"]
[Black "Mueer, Sebastian"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2266"]
[BlackElo "2230"]
[PlyCount "59"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[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. g3 Nc6 4. Bg2 Nf6 5. Qe2 Be7 6. e5 Nd5 7. Nc3 d6 8. exd6 Qxd6 9. 0-0 0-0 10. Re1 b6 11. d4 cxd4 12. Nxd5 exd5 13. Bf4 Qc5 14. a3 b5 15. Ne5 Be6 16. Nd3 Qb6 17. Bd2 Bd6 18. Qh5 Ne7 19. Re2 Rac8 20. Bg5 Ng6 21. Rae1 b4 22. Rxe6 fxe6 23. Rxe6 Rce8 24. Rxe8 Rxe8 25. Bxd5+ Kh8 26. Bf7 Re6 27. Bxe6 bxa3 28. bxa3 Bxg3 29. Bf5 Nf8 30. hxg3 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.25"]
[Round "5"]
[White "Ernst, Sipke"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2551"]
[BlackElo "2266"]
[PlyCount "73"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 e6 4. Bb2 c5 5. c4 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. 0-0 0-0 9. h3 Re8 10. Re1 a6 11. Bxc6 bxc6 12. Nc3 Rb8 13. Ba3 Ne4 14. Rc1 Re6 15. Kf1 Rf6 16. d3 Nxc3 17. Rxc3 Qa5 18. Bb2 Rg6 19. Rc2 Qc7 20. Ba3 Rb5 21. e4 Be6 22. Qc1 Qd7 23. e5 Bf8 24. Bxc5 Bf5 25. Rd1 Rxg2 26. Kxg2 Bxh3+ 27. Kh2 Bxc5 28. Rxc5 Qg4 29. Qg5 Qxg5 30. Nxg5 Rxc5 31. Kxh3 Rc2 32. f4 Rxa2 33. Rc1 h6 34. Nf3 Re2 35. Kg3 Re3 36. Rd1 Re2 37. Rd2 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.25"]
[Round "6"]
[White "Van Foreest, Machteld"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2266"]
[BlackElo "2266"]
[PlyCount "131"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 e5 5. Bg2 Nf6 6. c3 d6 7. 0-0 Be7 8. Rd1 0-0 9. d4 cxd4 10. cxd4 exd4 11. Nxd4 Bg4 12. Bf3 Bxf3 13. Qxf3 Nxd4 14. Rxd4 Qb6 15. Rd1 Rac8 16. Nc3 Rfe8 17. Rb1 Qa6 18. Be3 b5 19. a3 Qb7 20. Qf5 a6 21. Bd4 Qd7 22. Qf4 Qh3 23. Bxf6 Bxf6 24. Qxd6 Bxc3 25. bxc3 Rxe4 26. Qd8+ Re8 27. Qb6 Qe6 28. Rd6 Qe4 29. Rbd1 h5 30. Qxa6 h4 31. Qxb5 h3 32. Qf1 Rxc3 33. Qxh3 Rxa3 34. R6d4 Qe2 35. Rf1 Qe5 36. Qd7 Rea8 37. Rf4 R3a7 38. Qc6 Ra1 39. Qc4 Rxf1+ 40. Kxf1 Qh5 41. Kg1 Rd8 42. h3 Qd1+ 43. Kh2 Qd5 44. Qc7 Re8 45. Qc3 Qe5 46. Qd3 Qc5 47. Qf3 Qe7 48. Qh5 Qa7 49. Qf5 g6 50. Qd5 Re6 51. Qd8+ Kg7 52. Qd2 Qa1 53. Rh4 Qf6 54. Kg2 Re5 55. Qb2 Rf5 56. Qc2 Qd6 57. Qc3+ Qf6 58. Qe3 Qc6+ 59. Kh2 Qf6 60. Rf4 Rxf4 61. gxf4 Qc6 62. Qe5+ Kg8 63. Kg3 Qh1 64. Qe8+ Kg7 65. Qe5+ Kg8 66. Qe8+ 1/2-1/2

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.24"]
[Round "4"]
[White "Elgersma, Onno"]
[Black "Maatman, Nick"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2266"]
[BlackElo "2382"]
[PlyCount "79"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[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. h3 e5 7. Nf3 Be7 8. g4 h6 9. Rg1 Be6 10. g5 hxg5 11. Nxg5 Nc6 12. Be3 Qa5 13. Qd2 Rd8 14. Rd1 Rd7 15. a3 Bd8 16. Nxe6 fxe6 17. Bc4 Kf7 18. Rg3 b5 19. Bb3 Qc7 20. Qd3 Na5 21. Ba2 Nc4 22. Bc1 Qc6 23. Kf1 Ba5 24. b4 Bb6 25. a4 Rc8 26. Bg5 Bd8 27. axb5 axb5 28. Qe2 Kg8 29. h4 Rf7 30. h5 Bb6 31. Rf3 Bd4 32. h6 Bxc3 33. Bxf6 gxf6 34. Rxc3 Kh8 35. Rg3 f5 36. Qh5 Rcf8 37. Rg7 Rf6 38. Qg5 R6f7 39. Qg6 Ne3+ 40. Kg1 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.23"]
[Round "3"]
[White "Elgersma, Onno"]
[Black "Hoffman, Ron"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2266"]
[BlackElo "2032"]
[PlyCount "77"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. Nc3 e5 5. g3 d6 6. Bg2 g6 7. d3 Bg7 8. Bg5 f6 9. Bd2 Nge7 10. a3 0-0 11. 0-0 Nd4 12. Nxd4 cxd4 13. Nd5 Nxd5 14. cxd5 f5 15. f4 fxe4 16. dxe4 Bd7 17. Qb3 Bh6 18. a4 b5 19. Qa3 Rf6 20. Rad1 Bg4 21. Rde1 Rc8 22. axb5 axb5 23. Qd3 Qb6 24. h3 Bd7 25. fxe5 Rxf1+ 26. Rxf1 Bxd2 27. Qxd2 dxe5 28. Qf2 Qd6 29. Qf7+ Kh8 30. Rf6 Qc7 31. Qe7 Qd8 32. Qxe5 Kg8 33. Qxd4 Rc4 34. Qf2 Qc8 35. Kh2 Rc2 36. Rf8+ Qxf8 37. Qxc2 Qd6 38. Qc3 b4 39. Qd4 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.22"]
[Round "2"]
[White "Nijdam, Brian"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1918"]
[BlackElo "2266"]
[PlyCount "146"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 Qc7 9. Nf1 dxe4 10. dxe4 Rd8 11. Qe2 e5 12. c3 h6 13. h3 Be6 14. Nh4 c4 15. Ne3 b5 16. Nef5 Bf8 17. g4 Nh7 18. Be3 b4 19. Rad1 Qa5 20. Nf3 bxc3 21. bxc3 Qxc3 22. g5 h5 23. g6 fxg6 24. N5h4 Bf7 25. Rd5 Rxd5 26. exd5 Bxd5 27. Bd2 Qa3 28. Nxe5 Qd6 29. Nxc4 Qd7 30. Bxd5+ Qxd5 31. Qe6+ Qxe6 32. Rxe6 Nd4 33. Re4 Rd8 34. Be3 Ne2+ 35. Kg2 Nf6 36. Bg5 Nc3 37. Bxf6 gxf6 38. Re3 Nd5 39. Rf3 Kg7 40. Kf1 Rc8 41. Ne3 Nxe3+ 42. Rxe3 Rc4 43. Nf3 Bc5 44. Re2 Ra4 45. Rc2 Bb6 46. Re2 g5 47. Rc2 Kg6 48. Re2 Kf5 49. Kg2 Rc4 50. Rb2 Ke6 51. Rd2 Rf4 52. Ne1 Re4 53. Nf3 Ra4 54. Rc2 Kd5 55. Re2 Rf4 56. Rc2 Re4 57. Rb2 Kc6 58. Kf1 Kb7 59. Rc2 Rf4 60. Kg2 Ka6 61. Ne1 Kb5 62. Nd3 Rd4 63. Nc1 Kb4 64. Nb3 Rf4 65. Kf1 f5 66. Nc1 Rf3 67. Kg2 g4 68. hxg4 fxg4 69. Re2 Kc3 70. Nb3 h4 71. Nd2 h3+ 72. Kf1 h2 73. Kg2 Kd3 0-1

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.21"]
[Round "1"]
[White "Van Rootselaar, Rik"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2015"]
[BlackElo "2266"]
[PlyCount "135"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Nbd2 0-0 6. Bg2 b6 7. 0-0 Bb7 8. a3 Be7 9. cxd5 exd5 10. b4 Nbd7 11. Ne5 a5 12. b5 Nxe5 13. dxe5 Nd7 14. Nf3 a4 15. h4 h6 16. Bh3 Bc5 17. e6 Qf6 18. Bg5 hxg5 19. hxg5 Qg6 20. exd7 f5 21. Qd2 Qd6 22. Qf4 Qxd7 23. g6 Qd6 24. Qg5 Rf6 25. Nh4 Bc8 26. e3 Be6 27. Nxf5 Bxf5 28. Bxf5 Qe5 29. g4 Kf8 30. Kg2 Ke7 31. Rh1 Rg8 32. Qf4 Qxf4 33. exf4 Kd6 34. Kf3 c6 35. Bd3 Bd4 36. Rad1 c5 37. f5 Rff8 38. Rhe1 Re8 39. g5 Rh8 40. Rxe8 Rxe8 41. Rd2 Bc3 42. Re2 Rxe2 43. Kxe2 Ke7 44. Bc2 Kf8 45. Bxa4 Bb2 46. Bb3 Bxa3 47. Bxd5 Bc1 48. f6 Bxg5 49. f7 Bh4 50. Ke3 Bf6 51. Bc4 Bd4+ 52. Ke2 Bc3 53. Kd3 Bd4 54. f4 Bf6 55. Ke4 Bc3 56. Kd5 Bd2 57. f5 Bg5 58. Kc6 Bd8 59. Kb7 Ke7 60. f6+ Kf8 61. fxg7+ Kxg7 62. Kc8 Be7 63. Kc7 Kxg6 64. Kxb6 Kg7 65. Kc7 Bg5 66. b6 Bf4+ 67. Kc8 Kf8 68. b7 1-0

[Event "NED-chT 2324"]
[Site "Netherlands"]
[Date "2023.09.16"]
[Round "1.8"]
[White "Bosman, Michiel"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2368"]
[BlackElo "2259"]
[PlyCount "100"]
[EventDate "2023.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Leiden IntelliMagic"]
[BlackTeam "Kennemer Combinatie"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 a5 6. Nf3 0-0 7. Qc2 c5 8. cxd5 cxd4 9. Nxd4 Qb6 10. Bxb4 axb4 11. e3 exd5 12. Nd2 Qa6 13. N2b3 Bg4 14. h3 Bh5 15. a4 Bg6 16. Qc7 Nbd7 17. Bf1 Bd3 18. Nb5 Rac8 19. Qf4 Bxf1 20. Rxf1 Ne4 21. N3d4 Ndc5 22. Ke2 Ne6 23. Qe5 Nxd4+ 24. Qxd4 Rc2+ 25. Kf3 Nd2+ 26. Kg2 Nxf1 27. Kxf1 Qe6 28. Kg2 Qf5 29. Rf1 Rc4 30. Nd6 Rxd4 31. Nxf5 Rd2 32. b3 g6 33. Nd4 Rc8 34. g4 Rb2 35. Rd1 Kg7 36. Kg3 h6 37. h4 Rc3 38. g5 hxg5 39. hxg5 Rc8 40. Rd3 Rc1 41. Nf3 Rf1 42. Rxd5 Rfxf2 43. Nd4 Kf8 44. Rb5 Ke7 45. Rxb7+ Kd6 46. Rb5 f5 47. gxf6 Rxf6 48. Rb6+ Ke7 49. Rb7+ Kd6 50. Rb6+ Ke5 1/2-1/2

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "7"]
[White "Bacrot, Etienne"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2660"]
[BlackElo "2259"]
[PlyCount "83"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 g6 4. e5 Bg7 5. d4 Bg4 6. Nbd2 e6 7. h3 Bxf3 8. Nxf3 h5 9. c3 Nd7 10. Bd3 Bh6 11. Bxh6 Nxh6 12. g4 Qb6 13. Qd2 0-0-0 14. Rg1 Ng8 15. Ng5 Rf8 16. b4 Qd8 17. Bxg6 fxg6 18. Nxe6 Qe7 19. Nxf8 Nxf8 20. 0-0-0 g5 21. gxh5 Ne6 22. h4 gxh4 23. Rg6 Qf7 24. Rdg1 h3 25. f4 Nxf4 26. Rf1 Rxh5 27. Rg4 h2 28. Rgxf4 h1Q 29. Rxf7 Qe4 30. Rf8+ Kc7 31. Rxg8 Rh3 32. Re1 Qh7 33. Rg2 Rd3 34. Qc2 Qh6+ 35. Kb2 Rh3 36. Rge2 a5 37. e6 axb4 38. cxb4 Qf6 39. Qd2 Qf3 40. e7 Qa3+ 41. Ka1 Rd3 42. Qb2 1-0

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "2"]
[White "Elgersma, Onno"]
[Black "Burmakin, Evgeniy"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2259"]
[BlackElo "2179"]
[PlyCount "65"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c3 e5 2. d4 exd4 3. cxd4 Nf6 4. Nc3 d5 5. Bg5 Be7 6. e3 c6 7. Bd3 Bg4 8. Qc2 Nbd7 9. Nge2 0-0 10. h3 Bh5 11. 0-0 Bg6 12. Rab1 Bxd3 13. Qxd3 Re8 14. Rfc1 Ne4 15. Bxe7 Qxe7 16. Nxe4 dxe4 17. Qc2 Nb6 18. b4 a6 19. a4 Nd5 20. b5 axb5 21. axb5 cxb5 22. Rxb5 Qd7 23. Qb3 Red8 24. Ng3 Qe6 25. Rxb7 g6 26. Qc2 Re8 27. Qb1 h5 28. Rc5 h4 29. Nxe4 Nxe3 30. Ng5 Qf6 31. Rxf7 Qxd4 32. Qxg6+ Kh8 33. Qh7# 1-0

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "10"]
[White "Elgersma, Onno"]
[Black "Dann, Matthias"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2259"]
[BlackElo "2477"]
[PlyCount "124"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c3 Nf6 2. d4 b6 3. Nf3 Bb7 4. Bf4 g6 5. e3 Bg7 6. a4 a6 7. h3 d6 8. Be2 0-0 9. 0-0 Nbd7 10. Nbd2 Ne4 11. Nxe4 Bxe4 12. Nd2 Bb7 13. Bf3 Qc8 14. Bg3 c5 15. Qe2 Qc7 16. h4 Bxf3 17. Qxf3 h5 18. Ne4 Nf6 19. Ng5 Rac8 20. Qe2 Qb7 21. Rfe1 d5 22. Be5 Ne4 23. Bxg7 Kxg7 24. Nxe4 dxe4 25. Red1 Rfd8 26. dxc5 bxc5 27. b4 c4 28. Rd4 Rxd4 29. exd4 Qd5 30. Rb1 Rb8 31. b5 axb5 32. axb5 Rxb5 33. Rxb5 Qxb5 34. Qxe4 e6 35. Qe3 Qb1+ 36. Kh2 Qf5 37. g3 Kf6 38. Kg2 Qd5+ 39. Kh2 Qf5 40. Kg1 Ke7 41. Kf1 Kd6 42. Ke1 Kd5 43. f3 Qd3 44. Qe5+ Kc6 45. Qc5+ Kd7 46. Qb5+ Ke7 47. Qb4+ Kf6 48. Kf2 Qd2+ 49. Kf1 Qe3 50. Kg2 Qe2+ 51. Kg1 Qxf3 52. Kh2 Qf2+ 53. Kh3 Qf1+ 54. Kh2 Qf2+ 55. Kh3 Qg1 56. Qb7 Qf1+ 57. Kh2 Qe2+ 58. Kh3 Qe1 59. Qf3+ Kg7 60. Kh2 Qd2+ 61. Kh3 Qd3 62. Qxd3 cxd3 0-1

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "6"]
[White "Elgersma, Onno"]
[Black "Dauner, Benedikt"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2259"]
[BlackElo "2385"]
[PlyCount "117"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c3 g6 2. d4 Bg7 3. e4 d6 4. Nf3 Nd7 5. h3 e6 6. Bd3 Ne7 7. 0-0 h6 8. Re1 b6 9. Nbd2 Bb7 10. Nf1 a6 11. Ng3 c6 12. a4 Qc7 13. Be3 c5 14. Qd2 Kf8 15. Rad1 Rd8 16. Bf4 g5 17. Be3 e5 18. Bb1 Nc6 19. Ba2 Ne7 20. b4 c4 21. Nh5 b5 22. Bb1 Nc6 23. h4 g4 24. Nh2 Nf6 25. Nxf6 Bxf6 26. Nxg4 Bxh4 27. Bxh6+ Ke8 28. Bg7 Rg8 29. Qh6 Be7 30. Qh7 Kd7 31. Qf5+ Ke8 32. Qh7 Kd7 33. dxe5 Kc8 34. axb5 axb5 35. exd6 Bxd6 36. e5 Be7 37. Bf5+ Kb8 38. f3 Qb6+ 39. Kf1 Rxd1 40. Rxd1 Rd8 41. Rxd8+ Qxd8 42. Qh8 Qxh8 43. Bxh8 Nxb4 44. cxb4 Bxb4 45. e6 fxe6 46. Bxe6 Bc6 47. Ne5 Be8 48. Nd7+ Kc7 49. Nf6 Bc6 50. Nd5+ Bxd5 51. Bxd5 Kd6 52. Be4 Ba5 53. Ke2 Kc5 54. g4 Kb4 55. g5 Kb3 56. g6 c3 57. g7 c2 58. Bxc2+ Kxc2 59. g8Q 1-0

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "4"]
[White "Elgersma, Onno"]
[Black "Foerster Yialamas, Lucas"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2259"]
[BlackElo "2157"]
[PlyCount "36"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c3 e5 2. d4 e4 3. Bf4 h5 4. h4 d5 5. e3 Bd6 6. Bxd6 Qxd6 7. c4 Bg4 8. Qb3 c5 9. Qxb7 Ne7 10. Nc3 cxd4 11. exd4 Qc6 12. Qb4 Nd7 13. Nh3 Rb8 14. Qa3 dxc4 15. Nf4 Nf5 16. Be2 Nxd4 17. Kf1 Nc2 18. Qxa7 Ra8 0-1

[Event "Titled Tuesday intern op 05th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "4"]
[White "Elgersma, Onno"]
[Black "Galaktionov, Artem"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2259"]
[BlackElo "2321"]
[PlyCount "131"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. e5 d6 4. exd6 exd6 5. Nf3 Bg7 6. h3 Nf6 7. Be2 0-0 8. 0-0 Re8 9. c3 Bf5 10. Re1 Nbd7 11. a4 Ne4 12. Be3 Ndf6 13. Nbd2 Nd5 14. Nxe4 Nxe3 15. fxe3 Bxe4 16. Bd3 Bh6 17. Bxe4 Rxe4 18. Qd3 Qe7 19. Kf2 Re8 20. Re2 Rxe3 21. Rxe3 Qxe3+ 22. Qxe3 Bxe3+ 23. Kf1 Bf4 24. Re1 Rxe1+ 25. Kxe1 Kg7 26. Ke2 Kf6 27. Kd3 d5 28. c4 a5 29. cxd5 cxd5 30. b3 h5 31. Ng1 Bd6 32. Ne2 g5 33. Nc3 Ke6 34. Nb5 Bf4 35. Nc3 f5 36. Ne2 Bd6 37. Ke3 h4 38. Kf3 Bb4 39. Ke3 Kf6 40. Nc1 Bd6 41. Nd3 g4 42. Nc1 f4+ 43. Kf2 Kf5 44. hxg4+ Kxg4 45. Ne2 Bb4 46. Ng1 Bc3 47. Nf3 Bb2 48. Kf1 h3 49. Ne5+ Kg3 50. gxh3 Bxd4 51. Nd3 f3 52. h4 Be3 53. h5 Kh4 54. Ne5 f2 55. h6 Bxh6 56. Kxf2 Kg5 57. Nf7+ Kg6 58. Nxh6 Kxh6 59. Ke3 Kg5 60. Kd4 Kf4 61. Kxd5 Ke3 62. Kc5 Kd3 63. Kb5 Kc3 64. Kxa5 Kxb3 65. Kb6 Kxa4 66. Kxb7 1/2-1/2

[Event "Titled Tuesday intern op 05th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "2"]
[White "Elgersma, Onno"]
[Black "Grigoriants, Sergey"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2259"]
[BlackElo "2562"]
[PlyCount "114"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. 0-0 d6 7. Nc3 Be7 8. Nd5 0-0 9. c3 a5 10. a4 Nxd5 11. exd5 Nb8 12. d3 Nd7 13. Nd2 f5 14. Nc4 Nb6 15. Nxb6 Qxb6 16. f4 Bf6 17. Kh1 Bd7 18. fxe5 Bxe5 19. Qf2 Rae8 20. Be3 Qa6 21. d4 cxd4 22. Bxd4 Bxd4 23. Qxd4 Re5 24. b4 b6 25. bxa5 bxa5 26. Rae1 Rfe8 27. Rxe5 Rxe5 28. c4 Qc8 29. Qb6 Qc5 30. Qxc5 dxc5 31. d6 Kf7 32. Bd5+ Kf6 33. Rb1 Re8 34. Rb7 Rd8 35. Ra7 Ke5 36. Rxa5 Kxd6 37. Ra7 Rb8 38. a5 Rb2 39. a6 Ra2 40. Ra8 g5 41. a7 f4 42. gxf4 gxf4 43. Kg1 h5 44. h4 Kc7 45. Rf8 Rxa7 46. Rxf4 Ra2 47. Rf6 Bg4 48. Rc6+ Kd7 49. Rxc5 Kd6 50. Rc6+ Ke5 51. Rg6 Kf4 52. Kf1 Kg3 53. Ke1 Re2+ 54. Kf1 Rd2 55. Re6 Bxe6 56. Bxe6 Kxh4 57. c5 Rc2 0-1

[Event "Titled Tuesday intern op 05th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "7"]
[White "Elgersma, Onno"]
[Black "Kamsky, Gata"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2259"]
[BlackElo "2641"]
[PlyCount "68"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 0-0 6. h3 Nc6 7. 0-0 e5 8. Be3 Re8 9. Nbd2 a6 10. Re1 b6 11. a3 Bb7 12. Qc2 h6 13. Nf1 d5 14. dxe5 Nxe4 15. Bxe4 dxe4 16. Qxe4 Qc8 17. Qh4 g5 18. Qh5 Qf5 19. N1h2 Nxe5 20. Nxe5 Qxe5 21. Ng4 Qd5 22. f3 Re6 23. Bd4 Rae8 24. Rxe6 Rxe6 25. Bxg7 Kxg7 26. Nf2 Re2 27. Rf1 Rxb2 28. h4 Qf5 29. hxg5 Qxg5 30. Qh2 c5 31. Nh3 Qf6 32. Nf4 Kh7 33. Nh5 Qg5 34. Qc7 Qxg2# 0-1

[Event "Titled Tuesday intern op 05th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "1"]
[White "Elgersma, Onno"]
[Black "Vaglio Munoz, Jaime"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2259"]
[BlackElo "2174"]
[PlyCount "71"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c3 b5 2. d4 Bb7 3. Nf3 Nf6 4. Bf4 e6 5. e3 a6 6. Nbd2 h6 7. Bd3 d6 8. h3 g5 9. Bh2 Nbd7 10. e4 Bg7 11. Qe2 0-0 12. a4 bxa4 13. Rxa4 a5 14. 0-0 e5 15. Rfa1 c5 16. d5 Ne8 17. Nc4 Nb6 18. Rxa5 Nxc4 19. Rxa8 Bxa8 20. Bxc4 f5 21. exf5 Rxf5 22. Nd2 Rf8 23. Ne4 Nf6 24. Nxf6+ Qxf6 25. Bg3 Rb8 26. Ra7 Bb7 27. b4 cxb4 28. cxb4 Qf7 29. Qe4 Qc7 30. Bd3 Qb6 31. Qh7+ Kf8 32. Qf5+ Kg8 33. Qe6+ Kh8 34. Qg6 Kg8 35. Bxe5 dxe5 36. Qxb6 1-0

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "8"]
[White "Elgersma, Onno"]
[Black "Valle Luis, Leo"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2259"]
[BlackElo "2214"]
[PlyCount "173"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c3 Nf6 2. d4 g6 3. Nd2 d5 4. e3 Bg7 5. Bd3 0-0 6. f4 c5 7. Ngf3 Nc6 8. 0-0 e6 9. Ne5 Nd7 10. Ndf3 cxd4 11. exd4 f6 12. Nxc6 bxc6 13. b3 c5 14. Ba3 Qc7 15. Qe2 Re8 16. Bb5 a6 17. Bxd7 Bxd7 18. Bxc5 e5 19. fxe5 fxe5 20. Qf2 e4 21. Ne5 Be6 22. b4 Rac8 23. Qe2 Qb7 24. a3 Rc7 25. Rf2 Qc8 26. Raf1 Bf5 27. h3 h5 28. Qe3 Kh7 29. g4 hxg4 30. hxg4 Bxg4 31. Rf7 Rxf7 32. Rxf7 Bh5 33. Nd7 Kg8 34. Qf4 e3 35. Bd6 e2 36. Rxg7+ Kxg7 37. Be5+ Rxe5 38. Qxe5+ Kh7 39. Nf6+ Kh6 40. Nxh5 gxh5 41. Qxe2 Qxc3 42. Qe6+ Kg7 43. Qe5+ Kg6 44. Qd6+ Kh7 45. Qd7+ Kg6 46. Qxd5 Qa1+ 47. Kg2 Qb2+ 48. Kf1 Qc1+ 49. Ke2 Qb2+ 50. Kf3 Qxa3+ 51. Ke4 Qxb4 52. Qg8+ Kf6 53. Qh8+ Kg5 54. Qg7+ Kh4 55. Qf6+ Kg4 56. Qf4+ Kh3 57. Qg5 h4 58. Qe3+ Kh2 59. Qf2+ Kh3 60. Qf3+ Kh2 61. Ke5 Qe7+ 62. Kf4 Qf7+ 63. Kg4 Qd7+ 64. Kxh4 Qxd4+ 65. Kg5 Qe5+ 66. Kg4 Qe6+ 67. Kh5 Qe8+ 68. Kh6 Qh8+ 69. Kg6 Qg8+ 70. Kh5 Qh8+ 71. Kg5 Qg7+ 72. Kh4 Qh6+ 73. Kg4 Qg6+ 74. Kh4 Qh6+ 75. Kg4 Qe6+ 76. Kh4 Qc4+ 77. Kg5 Qc5+ 78. Kh4 Qd4+ 79. Kh5 Qe5+ 80. Kg6 Qg3+ 81. Qxg3+ Kxg3 82. Kf5 Kf3 83. Ke5 Ke3 84. Kd5 Kd3 85. Kc5 Kc3 86. Kb6 Kb4 87. Kxa6 1/2-1/2

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "1"]
[White "Fernandez Bustamante, Leancy B"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2059"]
[BlackElo "2259"]
[PlyCount "89"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 0-0 5. Nf3 c5 6. Be2 cxd4 7. exd4 d5 8. 0-0 Nc6 9. Bg5 Ne4 10. cxd5 Nxg5 11. dxc6 Nxf3+ 12. Bxf3 bxc6 13. Bxc6 Rb8 14. Qe2 Qxd4 15. Rfd1 Qb6 16. Nd5 Qxb2 17. Nxe7+ Kh8 18. Qf3 Qxa1 19. Rxa1 Bxa1 20. h4 Be5 21. g3 Be6 22. Bd5 Bxd5 23. Nxd5 Bg7 24. h5 Rbe8 25. Nf6 Re6 26. Ng4 gxh5 27. Ne3 h4 28. gxh4 Rg6+ 29. Kf1 Kg8 30. Nf5 Re8 31. Nxg7 Rxg7 32. Qf4 Rf8 33. Qf5 f6 34. h5 Rg5 35. Qe6+ Kg7 36. Qd7+ Rf7 37. h6+ Kg6 38. Qd3+ Kxh6 39. f4 Ra5 40. Qh3+ Kg7 41. Qg4+ Kf8 42. Qc8+ Kg7 43. Qg4+ Kh8 44. Qc8+ Kg7 45. Qg4+ 1/2-1/2

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "5"]
[White "Gaurav, Rajesh Zagade"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2099"]
[BlackElo "2259"]
[PlyCount "132"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 a6 4. Be2 d6 5. h3 Nf6 6. Nbd2 0-0 7. 0-0 Nbd7 8. c3 b6 9. Re1 Bb7 10. Bf1 e6 11. Qc2 Qe7 12. e5 Nd5 13. exd6 cxd6 14. Ne4 h6 15. Bd2 N5f6 16. Nxf6+ Nxf6 17. Nh2 Kh7 18. Bd3 Rac8 19. Qb3 Qc7 20. Nf1 Qc6 21. f3 Qc7 22. Rad1 Kg8 23. Ng3 b5 24. Ne4 Nd5 25. a3 Bc6 26. Qa2 a5 27. Kh1 a4 28. Qb1 Nb6 29. Nf2 Nc4 30. Bc1 Bd5 31. Ng4 Kh7 32. Bf4 Qe7 33. Qc1 h5 34. Nf2 Qh4 35. Re2 Qe7 36. Bg5 f6 37. Bf4 f5 38. Kh2 Bf6 39. Bh6 Bg7 40. Bxg7 Kxg7 41. Qf4 h4 42. Bxc4 Bxc4 43. Ree1 g5 44. Qd2 Qf6 45. Qe3 Rce8 46. Nd3 Rf7 47. Nb4 Kg6 48. Rd2 e5 49. dxe5 Rxe5 50. Qf2 g4 51. fxg4 fxg4 52. Qxf6+ Rxf6 53. Rxe5 dxe5 54. hxg4 Kg5 55. Kh3 Be6 56. Nd3 Bxg4+ 57. Kh2 e4 58. Nc5 e3 59. Rd5+ Rf5 60. Rd8 e2 61. Nd3 Rf1 62. Re8 Rd1 63. Re5+ Kf6 64. Re4 Rxd3 65. Rf4+ Kg5 66. Re4 Rd1 0-1

[Event "Titled Tuesday intern op 05th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "3"]
[White "Kubatko, Ivan"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2257"]
[BlackElo "2259"]
[PlyCount "96"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. a4 c6 6. Nf3 d5 7. e5 Bg4 8. h3 Bxf3 9. Qxf3 h5 10. g4 e6 11. Bg2 hxg4 12. hxg4 Rxh1+ 13. Bxh1 Qh4+ 14. Ke2 Nh6 15. Bd2 Qxg4 16. a5 Nd7 17. Na4 Qxf3+ 18. Bxf3 0-0-0 19. Kd3 Nf5 20. Rh1 Rh8 21. Rxh8+ Bxh8 22. b3 Bg7 23. c4 Bf8 24. Bg4 Ne7 25. Bb4 Kd8 26. Nc5 Nxc5+ 27. Bxc5 Ke8 28. Bxe7 Bxe7 29. c5 Bh4 30. Kc2 Be1 31. Kd3 Bxa5 32. Be2 Be1 33. Bg4 Kf8 34. Bh3 Ba5 35. Ke3 Ke7 36. Kd3 Kd7 37. Ke3 Kc7 38. Kd3 b6 39. cxb6+ Bxb6 40. Bg4 c5 41. dxc5 Bxc5 42. Bf3 Kb6 43. Bd1 Ka5 44. Be2 Kb4 45. Kc2 a5 46. Bf3 Be3 47. Bd1 Bxf4 48. Kd3 Bxe5 0-1

[Event "Titled Tuesday intern op 05th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "6"]
[White "Llorente Zaro, Alfonso"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2436"]
[BlackElo "2259"]
[PlyCount "44"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 b5 9. exd5 exd5 10. d4 Bg4 11. dxc5 Bxc5 12. h3 Bh5 13. Nb3 Bb6 14. Be3 Re8 15. Qd2 Ne4 16. Qd3 Nb4 17. Qd1 Nxg3 18. Bxb6 Qxb6 19. c3 Nc6 20. Qxd5 Ne2+ 21. Rxe2 Rxe2 22. Qxh5 Qxf2+ 0-1

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "9"]
[White "Manukian, Artak"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2196"]
[BlackElo "2259"]
[PlyCount "91"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. a3 c4 7. Nbd2 Nc6 8. b4 cxb3 9. Nxb3 Na5 10. Nxa5 Qxa5 11. Bd2 Qc7 12. Bd3 Ne7 13. 0-0 Nc6 14. Qb1 Na5 15. h4 h6 16. h5 Be7 17. g4 b6 18. Kg2 Nc4 19. Bc1 Ba4 20. Nd2 Rc8 21. Nxc4 dxc4 22. Be4 Bc6 23. f3 0-0 24. a4 Rb8 25. Bxc6 Qxc6 26. Qe4 Rfc8 27. Qxc6 Rxc6 28. Ba3 Kf8 29. Rfb1 a6 30. f4 Bxa3 31. Rxa3 Ke7 32. Kf3 f6 33. Ke4 Rcc8 34. f5 fxe5 35. dxe5 Rd8 36. Ra2 Rd3 37. Rab2 Rg3 38. Kf4 Rxc3 39. Rxb6 Rxb6 40. Rxb6 exf5 41. gxf5 Rc1 42. Rb7+ Kf8 43. Rb8+ Ke7 44. Rb7+ Kf8 45. Rb8+ Ke7 46. Rb7+ 1/2-1/2

[Event "Titled Tuesday intern op 05th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "3"]
[White "Masruri, Rahman"]
[Black "Elgersma, Onno"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2299"]
[BlackElo "2259"]
[PlyCount "65"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 Nc6 4. Nge2 g6 5. f3 a6 6. Be3 b5 7. Qd2 Bb7 8. 0-0-0 Qd7 9. g4 0-0-0 10. Ng3 Kb8 11. h4 e5 12. d5 Nd4 13. Bxd4 exd4 14. Qxd4 Bg7 15. Qf2 c6 16. h5 h6 17. Kb1 Qc7 18. dxc6 Bxc6 19. Bd3 Nd7 20. Nce2 Ne5 21. Nd4 Bd7 22. c3 Qb6 23. Nge2 Ka8 24. Nf4 Rb8 25. Nd5 Qc5 26. b4 Nxd3 27. Rxd3 Qc4 28. Rhd1 Rhc8 29. Nb3 Re8 30. Nb6+ Rxb6 31. Qxb6 Qc6 32. Qxc6+ Bxc6 33. Rxd6 1-0

[Event "Titled Tuesday intern op 05th Sep Late"]
[Site "Chess.com INT"]
[Date "2023.09.05"]
[Round "5"]
[White "Zozik, Salah Mohammed"]
[Black "Elgersma, Onno"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2210"]
[BlackElo "2259"]
[PlyCount "66"]
[EventDate "2023.09.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. g3 d6 4. Bg2 Bf5 5. 0-0 Qc8 6. c4 Nf6 7. Nc3 Ne4 8. Qb3 0-0 9. Nh4 Nxc3 10. bxc3 Nc6 11. Nxf5 gxf5 12. Qc2 e6 13. e4 fxe4 14. Bxe4 f5 15. Bg2 Qd7 16. Re1 Rae8 17. Rb1 Na5 18. Qd3 b6 19. Ba3 Qa4 20. Bb4 Qxa2 21. Bxa5 Qxa5 22. Rxe6 Rxe6 23. Bd5 f4 24. Bxe6+ Kh8 25. Bd5 Qa2 26. f3 c5 27. Re1 cxd4 28. cxd4 Qb2 29. Re4 a5 30. gxf4 a4 31. f5 a3 32. f6 Bxf6 33. Re2 Bxd4+ 0-1

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.03"]
[Round "5"]
[White "Elgersma, Onno"]
[Black "Brouwer, Mason"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2259"]
[BlackElo "2072"]
[PlyCount "65"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 Ne7 7. Be2 Nc8 8. 0-0 Be7 9. a4 0-0 10. a5 a6 11. Ne1 Bg6 12. Bd3 Bxd3 13. Nxd3 Qc7 14. Qg4 Re8 15. h4 Bf8 16. h5 Ne7 17. Bd2 Nf5 18. Qh3 c5 19. dxc5 Nxc5 20. Nbxc5 Bxc5 21. c3 Bf8 22. Ra4 d4 23. c4 Qc6 24. Rfa1 Qe4 25. Re1 Ne3 26. Nb4 b5 27. axb6 a5 28. fxe3 axb4 29. Rxa8 Rxa8 30. exd4 Qxd4+ 31. Be3 Qxc4 32. Qf3 Rb8 33. Rf1 1-0

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.03"]
[Round "6"]
[White "Elgersma, Onno"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "C83"]
[WhiteElo "2259"]
[BlackElo "2305"]
[PlyCount "127"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[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. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 0-0 11. Bc2 f5 12. Nb3 Qd7 13. Nbd4 Nxd4 14. Nxd4 c5 15. Nxe6 Qxe6 16. f3 Ng5 17. Bxg5 Bxg5 18. f4 Be7 19. Qf3 c4 20. b3 Bc5+ 21. Kh1 Rad8 22. Rad1 g6 23. h3 d4 24. bxc4 bxc4 25. cxd4 Rxd4 26. Rxd4 Bxd4 27. Rd1 Rd8 28. Ba4 Bb6 29. Rxd8+ Bxd8 30. Bc6 Kg7 31. Bd5 Qb6 32. Bxc4 Qb1+ 33. Kh2 Bb6 34. Bf1 Kh6 35. Qe2 Qb4 36. g3 Qd4 37. Qg2 a5 38. Bb5 Qf2 39. Qxf2 Bxf2 40. Kg2 Bc5 41. Kf3 Kg7 42. g4 h5 43. gxf5 gxf5 44. Bd7 Kg6 45. Be8+ Kh6 46. Ke2 h4 47. Kd3 Kg7 48. a4 Ba3 49. Kd2 Bb4+ 50. Ke2 Ba3 51. Bd7 Kg6 52. Kd2 Bb4+ 53. Kc2 Bc5 54. Kd3 Ba3 55. Kc4 Bc1 56. Be8+ Kg7 57. Kd5 Bxf4 58. Ke6 Bd2 59. Kxf5 Kf8 60. Bb5 Ke7 61. e6 Be1 62. Bc4 Bf2 63. Kg4 Be1 64. Kf3 1/2-1/2

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.02"]
[Round "1"]
[White "Elgersma, Onno"]
[Black "Holscher, Peter AC"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2259"]
[BlackElo "2033"]
[PlyCount "131"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. Bd3 Nbd7 6. h3 Bxf3 7. Qxf3 e5 8. dxe5 dxe5 9. 0-0 Qc7 10. a4 g6 11. Bc4 Bg7 12. Bg5 0-0 13. Rfd1 h6 14. Bh4 g5 15. Bg3 Rae8 16. Rd2 Nc5 17. Rad1 Ne6 18. Bxe6 Rxe6 19. Ne2 Qa5 20. b3 Qb4 21. Nc3 Rfe8 22. Rd3 a6 23. h4 b5 24. axb5 axb5 25. hxg5 hxg5 26. R1d2 Qc5 27. Nd1 Bh6 28. Ne3 Bf8 29. Ng4 Nxg4 30. Qxg4 Rg6 31. Qf5 Qe7 32. Rd7 Qe6 33. Bh2 g4 34. Qxe6 Rgxe6 35. Bg3 Be7 36. Kf1 Kg7 37. Ke2 Bg5 38. R2d6 Kf6 39. Kd3 Rxd6+ 40. Rxd6+ Re6 41. Rd7 Kg6 42. c4 bxc4+ 43. Kxc4 Be7 44. Rd1 f5 45. exf5+ Kxf5 46. Rh1 Bg5 47. Rh8 Bf4 48. Bh4 Rg6 49. Rf8+ Ke4 50. g3 Bh6 51. Rf7 Rd6 52. Bf6 Rd2 53. Bh8 Bg5 54. Bg7 Rc2+ 55. Kb4 Bd2+ 56. Ka3 Be1 57. Re7 Bxf2 58. Rxe5+ Kf3 59. b4 Bxg3 60. Rf5+ Ke4 61. Rg5 Kf3 62. Rf5+ Ke2 63. Kb3 Kd3 64. Rg5 Rc4 65. Rg6 Be1 66. Rd6+ 1-0

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.02"]
[Round "3"]
[White "Elgersma, Onno"]
[Black "Pronk, Sven"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2259"]
[BlackElo "2074"]
[PlyCount "93"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qe2 Bf5 6. Nxf6+ gxf6 7. d3 Nd7 8. g3 Ne5 9. Nxe5 Qa5+ 10. Bd2 Qxe5 11. Qxe5 fxe5 12. Bg2 h5 13. h4 f6 14. a4 e6 15. 0-0 a5 16. Kh2 Kf7 17. Bc3 Bc5 18. Rae1 Rhg8 19. Bf3 Bg4 20. Be4 Bd6 21. Bg2 Bc7 22. Re4 Bf5 23. Rc4 Ke7 24. Rb1 Rg4 25. b3 Ra7 26. Bf3 Rxc4 27. bxc4 Bg6 28. Bd2 c5 29. Be3 b6 30. Kg2 f5 31. Bg5+ Kf7 32. Bc6 Kg7 33. f4 Kf8 34. fxe5 Be8 35. Bxe8 Kxe8 36. Bf6 Kd7 37. Kf3 Ra8 38. Kf4 Rg8 39. Bg5 Kc6 40. c3 Rg7 41. Rd1 Bb8 42. d4 cxd4 43. cxd4 Bc7 44. d5+ Kd7 45. Rb1 exd5 46. cxd5 Rg6 47. Kxf5 1-0

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.02"]
[Round "4"]
[White "Haver, Bas"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2307"]
[BlackElo "2259"]
[PlyCount "41"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. Qg4 g6 7. Nf3 Nd7 8. b4 Be7 9. Bd3 a5 10. b5 Nc5 11. a4 h5 12. Qf4 Nh6 13. h4 Nf5 14. g3 b6 15. Ke2 Bb7 16. Rd1 Qc7 17. Nbd2 0-0-0 18. Bb2 Kb8 19. Ng5 Bf8 20. Ndf3 Rc8 21. Nd4 1/2-1/2

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.02"]
[Round "2"]
[White "Wink, Luka"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1934"]
[BlackElo "2259"]
[PlyCount "201"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. a3 b5 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. b4 Nd7 12. Bd3 Qb6 13. Qe2 Bb7 14. Qf2 Qxf2+ 15. Kxf2 Rc8 16. Ne2 f6 17. exf6 gxf6 18. Ned4 e5 19. Nxc6 Bxc6 20. Bf5 0-0 21. Rad1 d4 22. Rhe1 Rc7 23. Rd2 Kg7 24. Kg3 Nb6 25. fxe5 fxe5 26. Ng5 Kh8 27. Rf2 Nc4 28. Bd3 Rxf2 29. Kxf2 Ne3 30. c3 h6 31. cxd4 Nxg2 32. Rc1 Nf4 33. Be4 Bxe4 34. Rxc7 hxg5 35. dxe5 Bf5 36. Ra7 Nd3+ 37. Kg3 Nxe5 38. Rxa6 Bc2 39. Ra7 Ba4 40. Rc7 Kg8 41. Rc5 Nc4 42. Rxg5+ Kh7 43. Kf4 Nxa3 44. Ke5 Nc2 45. Rg4 Ne3 46. Rd4 Kg6 47. h3 Kg5 48. Rd8 Nc2 49. Rg8+ Kh4 50. Kd6 Kxh3 51. Kc5 Ne1 52. Rd8 Kg3 53. Kd4 Kf2 54. Kc3 Nf3 55. Re8 Kg3 56. Kd3 Bb3 57. Ke3 Ng5 58. Re7 Kg4 59. Kd4 Bc4 60. Re8 Kf5 61. Re3 Ne6+ 62. Kc3 Kf6 63. Re4 Bd5 64. Re1 Ke7 65. Rd1 Kd6 66. Rd2 Kc6 67. Rh2 Nc7 68. Rh5 Be6 69. Rc5+ Kb6 70. Re5 Bc4 71. Rc5 Bd5 72. Kd4 Bc6 73. Rh5 Ne6+ 74. Kc3 Nf4 75. Rh6 Nd5+ 76. Kb3 Kc7 77. Rg6 Bd7 78. Rh6 Bg4 79. Rg6 Bd1+ 80. Ka3 Ne3 81. Rg5 Nc4+ 82. Ka2 Ba4 83. Rg6 Ne5 84. Rh6 Nc6 85. Rh4 Kd6 86. Kb2 Ne7 87. Rg4 Ke5 88. Rh4 Nf5 89. Rg4 Ne3 90. Rh4 Kd5 91. Kc3 Nd1+ 92. Kd3 Nf2+ 93. Kc3 Ne4+ 94. Kd3 Ng3 95. Rg4 Nf5 96. Rg5 Ke5 97. Rh5 Bb3 98. Rh8 Bc4+ 99. Kc3 Nd6 100. Rh5+ Nf5 101. Rh8 1/2-1/2

[Event "Bruges Masters op"]
[Site "Bruges"]
[Date "2023.08.15"]
[Round "6"]
[White "De Boer, Bas"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2155"]
[BlackElo "2256"]
[PlyCount "53"]
[EventDate "2023.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[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 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. h3 c6 9. Bd3 Bd6 10. Bf4 Qc7 11. Qd2 h6 12. 0-0 0-0 13. Rfc1 Rfe8 14. a4 Rad8 15. b4 Nb6 16. Bxd6 Qxd6 17. b5 axb5 18. axb5 c5 19. dxc5 Qxc5 20. Na4 Qd6 21. Nxb6 Qxb6 22. Qa5 Qd6 23. Qc7 Qxc7 24. Rxc7 Rd7 25. Rac1 Kf8 26. R7c2 Ne4 27. Nd4 1/2-1/2

[Event "Vlissingen op 25th"]
[Site "Vlissingen"]
[Date "2023.08.12"]
[Round "9"]
[White "Elgersma, Onno"]
[Black "Hu, Yu A"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2256"]
[BlackElo "2108"]
[PlyCount "85"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[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+ Bd7 4. a4 Nc6 5. Nc3 Nf6 6. 0-0 g6 7. Re1 Bg7 8. d3 0-0 9. h3 e5 10. Nd2 a6 11. Bc4 Nd4 12. Nd5 b5 13. Nxf6+ Qxf6 14. Bd5 Rab8 15. axb5 axb5 16. Nf1 Qh4 17. Ra7 Qd8 18. Ne3 Ne6 19. Ng4 Nf4 20. Bb3 Qc8 21. Ne3 Be6 22. Bxe6 Qxe6 23. h4 f5 24. exf5 gxf5 25. Qf3 Ng6 26. h5 Ne7 27. Qh3 Kh8 28. Bd2 Nc6 29. Rc7 Nd4 30. b4 f4 31. Ng4 Nxc2 32. h6 Bf6 33. Re4 Rg8 34. Nxf6 Qxf6 35. bxc5 b4 36. cxd6 b3 37. Bc3 b2 38. Bxe5 b1Q+ 39. Kh2 Qxe5 40. Rxe5 Ne1 41. Ree7 Rg6 42. Rxh7+ Kg8 43. Qe6+ 1-0

