[Event "US Open-74"]
[Site "Chicago"]
[Date "1973.??.??"]
[Round "10"]
[White "Berry, David A"]
[Black "Troy, A."]
[Result "0-1"]
[ECO "A00"]
[PlyCount "100"]
[EventDate "1973.08.12"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. d3 Bg7 4. Nc3 0-0 5. Nh3 d5 6. 0-0 a5 7. a4 Na6 8. Bd2 e5 9. Kh1 Nc5 10. Qe1 c6 11. b3 Re8 12. Rd1 e4 13. d4 Ne6 14. e3 b6 15. Ne2 Ba6 16. Rc1 Rc8 17. Rg1 c5 18. dxc5 Nxc5 19. Nd4 Ng4 20. Nf4 Ne6 21. Ndxe6 fxe6 22. f3 exf3 23. Bxf3 Nf6 24. Qf2 e5 25. Nh3 Qd7 26. Qg2 Rf8 27. Nf2 e4 28. Bd1 Rf7 29. g4 g5 30. h4 h6 31. Nh3 Nh7 32. c4 dxc4 33. bxc4 Rd8 34. Bc3 Bxc3 35. Rxc3 Qd2 36. Qxd2 Rxd2 37. Bb3 Kg7 38. c5 Rf3 39. Rb1 Rxh3+ 40. Kg1 Rg3+ 41. Kh1 Rgg2 42. Bc4 Bxc4 43. Rxc4 bxc5 44. Rxc5 Rgf2 45. Rxa5 gxh4 46. Ra7+ Rf7 47. Rxf7+ Kxf7 48. Rb4 Nf6 49. a5 Ra2 50. Rb5 Nxg4 0-1

