[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1987.??.??"]
[Round "1"]
[White "Blocker, Calvin"]
[Black "Wallach, Kenneth"]
[Result "1-0"]
[WhiteElo "2370"]

1. Nf3 g6 2. e4 d6 3. d4 Bg7 4. Nc3 Nf6 5. h3 O-O 6. Be3 c6 7. a4 a5 8. Qd2 Na6 9. Bd3 Nb4 10. Bh6 Nxd3+ 11. cxd3 Be6 12. O-O Qb6 13. Rfe1 Rfd8 14. Re2 Bh8 15. Rae1 Bb3 16. Qg5 Qb4 17. Qh4 Bxa4 18. e5 dxe5 19. dxe5 Bb3 20. exf6 Qxh4 21. Nxh4 Bxf6 22. Nf3 Rxd3 23. Ne4 Rd1 24. Nxf6+ exf6 25. Rxd1 Bxd1 26. Re7 Bxf3 27. gxf3 Rb8 28. Bf4 Kf8 29. Rc7 g5 30. Bd6+ Kg7 31. Rd7 Ra8 32. Rxb7 Ra6 33. Bc5 a4 34. Rc7 Kg6 35. Kf1 h5 36. Ke2 f5 37. Rd7 Kf6 38. f4 gxf4 39. Kf3 Ra5 40. Bb4 Rb5 41. Bc3+ Kg5 42. Ra7 Rd5 43. Rxa4 Rd3+ 44. Kg2 f3+ 45. Kg3 c5 46. h4+ Kg6 47. Ra6+ Kh7 48. Kf4 c4 49. Kg5 f6+ 50. Rxf6 Rd5 51. Kxh5 Rb5 52. Kg5 f4+ 53. Kxf4 Rh5 54. Kg4 Rd5 55. h5 Rd1 56. Rf7+ Kh6 57. Bg7+ Kh7 58. Be5+ 1-0