Zierk, Steven vs Guo, Aaron
111. US Open · Round 2 · 2010.08.01 · 1-0 · C01 French Defense: Exchange Variation
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PGN
[Event "111. US Open"] [Site "Irvine, CA USA"] [Date "2010.08.01"] [Round "2"] [White "Zierk, Steven"] [Black "Guo, Aaron"] [Result "1-0"] [PlyCount "111"] [WhiteElo "2385"] [WhiteFideId "2034255"] [WhiteTitle "GM"] [BlackElo "2121"] [BlackFideId "6011063"] [ECO "C01k"] [Source "PGNMentor"] [SourceQuality "1"] [ImportDate "2026-01-06"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Bd3 Bg4 6. c3 Bd6 7. O-O Nge7 8. Re1 Qd7 9. Nbd2 O-O-O 10. b4 Ng6 11. Qa4 Rhe8 12. b5 Nb8 13. Ba3 Bf4 14. Qxa7 Bxd2 15. Nxd2 Nf4 16. Bf1 Be2 17. b6 Qg4 18. g3 Bxf1 19. Rxf1 Qh3 20. gxf4 Re6 21. f5 Rh6 22. Rfe1 Qxh2+ 23. Kf1 Qh1+ 24. Ke2 Re8+ 25. Kd3 Rxe1 26. bxc7 Kxc7 27. Qa5+ Kc8 28. Rxe1 Qxe1 29. Qxd5 Qxf2 30. Qxf7 Rc6 31. Qf8+ Kc7 32. Bd6+ Rxd6 33. Qxd6+ Kxd6 34. Ne4+ Ke7 35. Nxf2 Kf6 36. Ke4 Nd7 37. Kf4 Nb6 38. Ng4+ Ke7 39. Ne3 Na4 40. c4 Nc3 41. a3 Kd6 42. c5+ Kc6 43. Ke5 h5 44. d5+ Kxc5 45. d6 Kc6 46. Ke6 Ne4 47. Nc4 h4 48. Ne5+ Kb5 49. d7 Nc5+ 50. Ke7 Nxd7 51. Kxd7 Kc5 52. Ke6 Kd4 53. Nf3+ Kc3 54. Kf7 Kb3 55. Kxg7 Kxa3 56. f6 1-0