
[Event "33rd North American Open"]
[Site "Las Vegas USA"]
[Date "2023.12.27"]
[Round "4.2"]
[White "Zierk, S"]
[Black "Burke, John M"]
[Result "1-0"]
[WhiteElo "2475"]
[BlackElo "2584"]
[ECO "A06"]
[PlyCount "169"]
1.Nf3 d5 2.b3 Nf6 3.Bb2 Bf5 4.g3 e6 5.Bg2 h6 6.O-O Be7 7.d3 O-O 8.Nbd2 Bh7 9.Re1 a5 10.a3 c6 11.e4 Qb6 12.a4 Na6 13.Qe2 Nb4 14.Rec1 Rfd8 15.Ne5 Bf8 16.h4 Rac8 17.g4 dxe4 18.g5 hxg5 19.hxg5 Nd7 20.g6 fxg6 21.Nec4 Qc7 22.Nxe4 Re8 23.Qg4 Nd5 24.Re1 b5 25.Ne3 Qf4 26.Qh3 g5 27.Bc1 Qh4 28.Nxg5 Qxg5 29.Nxd5 Qf5 30.Nf4 Bb4 31.Re2 e5 32.Nh5 bxa4 33.Rxa4 Nc5 34.Qh4 Nxa4 35.bxa4 Be7 36.Qh2 Qg4 37.Kf1 Bg6 38.Ng3 Qxa4 39.Bh3 Bf6 40.Bxc8 Rxc8 41.Qh3 Re8 42.Nh5 Bh4 43.Ng3 Bd8 44.Qd7 Rf8 45.Bb2 Bf6 46.Bxe5 Bxe5 47.Qe6+ Bf7 48.Qxe5 Re8 49.Qc3 Qb5 50.Rxe8+ Bxe8 51.Ne4 Bf7 52.Ke1 a4 53.Kd2 Bd5 54.Nc5 Qb8 55.d4 Qf4+ 56.Ke2 Qg4+ 57.Kd2 Qg5+ 58.Ke2 Bf7 59.Qb4 Qg4+ 60.Kd2 Qf4+ 61.Kc3 Qxf2 62.Qxa4 Qf3+ 63.Kb2 Qd5 64.Nd3 g5 65.Ne5 Be8 66.Qb4 Qe6 67.Qb8 Kg7 68.c4 Kf6 69.Qc7 Kf5 70.Qh7+ Kf4 71.Qh2+ Ke3 72.Qg1+ Ke2 73.Qg2+ Ke3 74.Kc3 g4 75.Qg3+ Ke4 76.Nxg4 Kf5 77.Ne5 c5 78.Qg4+ Kf6 79.Qh4+ Kf5 80.Qh7+ Kf6 81.Qh6+ Kf5 82.Qh7+ Kf6 83.Qh8+ Kf5 84.Qf8+ Ke4 85.Qf3# 1-0
[Site "Las Vegas USA"]
[Date "2023.12.27"]
[Round "4.2"]
[White "Zierk, S"]
[Black "Burke, John M"]
[Result "1-0"]
[WhiteElo "2475"]
[BlackElo "2584"]
[ECO "A06"]
[PlyCount "169"]
1.Nf3 d5 2.b3 Nf6 3.Bb2 Bf5 4.g3 e6 5.Bg2 h6 6.O-O Be7 7.d3 O-O 8.Nbd2 Bh7 9.Re1 a5 10.a3 c6 11.e4 Qb6 12.a4 Na6 13.Qe2 Nb4 14.Rec1 Rfd8 15.Ne5 Bf8 16.h4 Rac8 17.g4 dxe4 18.g5 hxg5 19.hxg5 Nd7 20.g6 fxg6 21.Nec4 Qc7 22.Nxe4 Re8 23.Qg4 Nd5 24.Re1 b5 25.Ne3 Qf4 26.Qh3 g5 27.Bc1 Qh4 28.Nxg5 Qxg5 29.Nxd5 Qf5 30.Nf4 Bb4 31.Re2 e5 32.Nh5 bxa4 33.Rxa4 Nc5 34.Qh4 Nxa4 35.bxa4 Be7 36.Qh2 Qg4 37.Kf1 Bg6 38.Ng3 Qxa4 39.Bh3 Bf6 40.Bxc8 Rxc8 41.Qh3 Re8 42.Nh5 Bh4 43.Ng3 Bd8 44.Qd7 Rf8 45.Bb2 Bf6 46.Bxe5 Bxe5 47.Qe6+ Bf7 48.Qxe5 Re8 49.Qc3 Qb5 50.Rxe8+ Bxe8 51.Ne4 Bf7 52.Ke1 a4 53.Kd2 Bd5 54.Nc5 Qb8 55.d4 Qf4+ 56.Ke2 Qg4+ 57.Kd2 Qg5+ 58.Ke2 Bf7 59.Qb4 Qg4+ 60.Kd2 Qf4+ 61.Kc3 Qxf2 62.Qxa4 Qf3+ 63.Kb2 Qd5 64.Nd3 g5 65.Ne5 Be8 66.Qb4 Qe6 67.Qb8 Kg7 68.c4 Kf6 69.Qc7 Kf5 70.Qh7+ Kf4 71.Qh2+ Ke3 72.Qg1+ Ke2 73.Qg2+ Ke3 74.Kc3 g4 75.Qg3+ Ke4 76.Nxg4 Kf5 77.Ne5 c5 78.Qg4+ Kf6 79.Qh4+ Kf5 80.Qh7+ Kf6 81.Qh6+ Kf5 82.Qh7+ Kf6 83.Qh8+ Kf5 84.Qf8+ Ke4 85.Qf3# 1-0
[Event "33rd North American Open"]
[Site "Las Vegas USA"]
[Date "2023.12.27"]
[Round "4.2"]
[White "Zierk, S"]
[Black "Burke, John M"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2475"]
[BlackElo "2584"]
[ECO "A06"]
[Opening "Reti"]
[Variation "Nimzovich-Larsen attack"]
[EventDate "2023.12.26"]
[WhiteFideId "2034255"]
[BlackFideId "2070901"]
1. Nf3 d5 2. b3 Nf6 3. Bb2 Bf5 4. g3 e6 5. Bg2 h6 6. O-O Be7 7. d3 O-O 8.
Nbd2 Bh7 9. Re1 a5 10. a3 c6 11. e4 Qb6 12. a4 Na6 13. Qe2 Nb4 14. Rec1
Rfd8 15. Ne5 Bf8 16. h4 Rac8 17. g4 dxe4 18. g5 hxg5 19. hxg5 Nd7 20. g6
fxg6 21. Nec4 Qc7 22. Nxe4 Re8 23. Qg4 Nd5 24. Re1 b5 25. Ne3 Qf4 26. Qh3
g5 27. Bc1 Qh4 28. Nxg5 Qxg5 29. Nxd5 Qf5 30. Nf4 Bb4 31. Re2 e5 32. Nh5
bxa4 33. Rxa4 Nc5 34. Qh4 Nxa4 35. bxa4 Be7 36. Qh2 Qg4 37. Kf1 Bg6 38. Ng3
Qxa4 39. Bh3 Bf6 40. Bxc8 Rxc8 41. Qh3 Re8 42. Nh5 Bh4 43. Ng3 Bd8 44. Qd7
Rf8 45. Bb2 Bf6 46. Bxe5 Bxe5 47. Qe6+ Bf7 48. Qxe5 Re8 49. Qc3 Qb5 50.
Rxe8+ Bxe8 51. Ne4 Bf7 52. Ke1 a4 53. Kd2 Bd5 54. Nc5 Qb8 55. d4 Qf4+ 56.
Ke2 Qg4+ 57. Kd2 Qg5+ 58. Ke2 Bf7 59. Qb4 Qg4+ 60. Kd2 Qf4+ 61. Kc3 Qxf2
62. Qxa4 Qf3+ 63. Kb2 Qd5 64. Nd3 g5 65. Ne5 Be8 66. Qb4 Qe6 67. Qb8 Kg7
68. c4 Kf6 69. Qc7 Kf5 70. Qh7+ Kf4 71. Qh2+ Ke3 72. Qg1+ Ke2 73. Qg2+ Ke3
74. Kc3 g4 75. Qg3+ Ke4 76. Nxg4 Kf5 77. Ne5 c5 78. Qg4+ Kf6 79. Qh4+ Kf5
80. Qh7+ Kf6 81. Qh6+ Kf5 82. Qh7+ Kf6 83. Qh8+ Kf5 84. Qf8+ Ke4 85. Qf3#
1-0