[Event "National op"]
[White "Ziemacki, Rafal"]
[Black "Benjamin, B."]
[Site "Chicago"]
[Round "2"]
[Result "1-0"]
[Date "1991.??.??"]
[ECO "B30"]
[PlyCount "117"]
[EventDate "1991.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. c3 a6 6. Ba4 c4 7. d4 cxd3 8. Qxd3 Ng6 9. Be3 Be7 10. Nd4 0-0 11. f4 b5 12. Bc2 Bb7 13. Nd2 Qc7 14. a4 bxa4 15. Bxa4 Rfc8 16. Nxc6 Bxc6 17. Bxc6 Qxc6 18. Ra5 Rcb8 19. f5 Nf8 20. b3 Rb5 21. Rfa1 Bg5 22. Rxb5 Bxe3+ 23. Qxe3 axb5 24. Rxa8 Qxa8 25. h3 Qc6 26. Qd4 Qc7 27. c4 bxc4 28. Nxc4 Qg3 29. Qe3 Qb8 30. Qb6 Qa8 31. Qd4 Qa2 32. Qd3 Qa1+ 33. Kh2 Qe1 34. Nd6 h5 35. Qg3 Qb4 36. Ne8 Qd4 37. e5 g6 38. f6 Nh7 39. h4 g5 40. hxg5 h4 41. Qe1 Nxg5 42. Nd6 Qf4+ 43. Kh1 h3 44. Qe2 hxg2+ 45. Kxg2 Qh4 46. Qe3 Kf8 47. Qg3 Qh5 48. Kf2 Qg6 49. Ke3 Qc2 50. Kd4 Qd2+ 51. Kc4 Qd5+ 52. Kb4 Qd4+ 53. Nc4 d5 54. Qxg5 dxc4 55. Qg7+ Ke8 56. Qg8+ Kd7 57. Qxf7+ Kd8 58. Qe7+ Kc8 59. Qxe6+ 1-0

