[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "4"]
[White "Vlastnik, Richard"]
[Black "Chachere, Lawrence"]
[Result "1/2-1/2"]
[ECO "B25"]
[BlackElo "2310"]
[PlyCount "120"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Nc3 Nc6 5. g3 e6 6. Bg2 Nge7 7. 0-0 0-0 8. d3 d6 9. Ne2 b6 10. Nh4 f5 11. c3 d5 12. e5 Rb8 13. Nf3 Bd7 14. Be3 Qc7 15. h3 a6 16. Qe1 Nd8 17. Qf2 Bb5 18. Rfd1 c4 19. Ned4 Bd7 20. dxc4 dxc4 21. Rd2 Nd5 22. Rad1 Nxe3 23. Qxe3 Bc8 24. Kh2 Re8 25. Ne1 Bf8 26. Ndc2 Bb7 27. a3 Bxg2 28. Kxg2 Nb7 29. Qf3 Nc5 30. Qc6 Rbc8 31. Qxc7 Rxc7 32. Nf3 h6 33. Ne3 b5 34. Rd8 Kf7 35. Rxe8 Kxe8 36. Nd4 Kf7 37. Nec2 Nd3 38. Rb1 Bc5 39. Kf3 g5 40. Ne2 Rd7 41. Nb4 gxf4 42. gxf4 a5 43. Nc6 Bb6 44. Ncd4 b4 45. axb4 axb4 46. Nc6 b3 47. Ned4 Bxd4 48. Nxd4 Ra7 49. Ke3 Nc5 50. Nb5 Ra4 51. Nd6+ Ke7 52. Rf1 Kf8 53. Rg1 Nd3 54. Rg2 Ra2 55. Nxc4 Nxf4 56. Kxf4 Ra4 57. Rg6 Rxc4+ 58. Kf3 Rh4 59. Kg3 Re4 60. Rxe6 Re2 1/2-1/2

