Marshall, Abby vs Yang, Michael
US Open, Denker, College · Round 6 · 2009.08.04 · 1/2-1/2 · B97 Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation
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PGN
[Event "US Open, Denker, College"]
[Site "Indianapolis, IN USA"]
[Date "2009.08.04"]
[Round "6"]
[White "Marshall, Abby"]
[Black "Yang, Michael"]
[Result "1/2-1/2"]
[PlyCount "197"]
[WhiteElo "2179"]
[WhiteFideId "2004879"]
[WhiteTitle "WFM"]
[BlackElo "1784"]
[BlackFideId "39936490"]
[ECO "B97i"]
[Source "Codekiddy"]
[SourceQuality "3"]
[ImportDate "2026-01-06"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2
Nc6 ( 8... Qxb2 ) 9. Bxf6 gxf6 10. Nb3 Bd7 11. Be2 h5 12. O-O-O Rc8 13. Kb1 Qf2
{ Diagram # } 14. Bf3 ( 14. f5 Qb6 ( 14... Ne5 15. fxe6 ) ( 14... Qxg2 15. Nc5
) 15. Qf4 Be7 16. Qg3 Kf8 17. Rxd6 Bxd6 18. Qxd6+ Ke8 19. fxe6 fxe6 20. Nd5
exd5 21. Qxf6 Rf8 ) 14... Qxd2 15. Rxd2 Kd8 16. Rhd1 Kc7 17. h4 Rd8 18. Ne2 Ne7
19. Rxd6 ( 19. Ng3 Ng6 20. Nxh5 Nxh4 21. Nxf6 Nxf3 22. gxf3 ) 19... Ng6 20.
R6d3 Nxh4 21. Na5 Nxf3 22. Rxf3 Be7 ( 22... Bb4 23. Nb3 Bc6 ( 23... Bb5 24.
Rxd8 Rxd8 25. Ned4 ) 24. Rxd8 Rxd8 25. a3 Bd6 ) 23. a3 Ba4 24. Rxd8 Rxd8 25.
Kc1 Bb5 26. Nc3 Bd7 27. Nc4 Rg8 28. Ne3 ( 28. g3 Bc5 29. b4 Bd4 30. Ne2 ) 28...
Bc5 29. g3 Bc6 ( 29... f5 ) 30. f5 Bd4 31. fxe6 fxe6 32. Ng2 Be5 33. Nf4 Rxg3
34. Rf1 Bxf4+ ( 34... h4 35. Nxe6+ Kd6 ) 35. Rxf4 Rg6 36. Rh4 Be8 37. Rh2 Kd6
38. Kd2 Ke5 39. Rxh5+ Kf4 ( 39... f5 40. Rh2 f4 ) 40. Rh2 Bc6 41. Re2 Rg3 42.
Rh2 Rg4 43. Re2 Ke5 44. Kd3 Rh4 45. Re3 Rg4 46. Re2 Be8 47. Re3 Bg6 48. Re2 Rh4
49. b4 Rf4 50. a4 b6 51. Re3 Rg4 52. Re1 Rh4 53. Re3 Rg4 54. Re1 Rg2 55. Re3
Rg1 56. Re2 Bh5 57. Re3 Bg4 58. Kc4 Rg2 59. Kd3 Kf4 60. Re1 Bf3 61. Nb1 Rg7 (
61... Rg3 62. Kd4 e5+ 63. Kd5 Rg2 ) 62. Nd2 Rd7+ 63. Kc3 Bg4 64. Rf1+ Kg5 65.
Rf2 f5 66. exf5 exf5 67. Nc4 b5 68. axb5 axb5 69. Ne5 Rd5 70. Nd3 Kf6 71. Kb3
Rd4 72. Kc3 Rc4+ 73. Kd2 Kg5 74. Rg2 Re4 75. Rg1 Re2+ 76. Kc3 f4 77. Ra1 Be6
78. Rg1+ Kf5 79. Rf1 Re4 80. Rf2 Rc4+ 81. Kd2 Bd5 82. Rh2 Bc6 83. Rh8 Kg5 84.
Rg8+ Kf6 85. Rf8+ Kg5 86. Rg8+ Kh5 87. Rf8 Kg5 88. Ne5 Rd4+ 89. Kc3 Re4 90.
Nf3+ Kg4 91. Nd4 Bd7 92. Rg8+ Kh3 93. Rg7 Bg4 94. Kd3 Re3+ 95. Kd2 Re5 96. Kd3
f3 97. Nxf3 Bxf3 98. c4 Be2+ 99. Kd4 1/2-1/2