[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Blocker, Calvin"]
[Black "Martens, Dan"]
[Result "1-0"]
[WhiteElo "2410"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. Nc3 d5 7. d4 Bf5 8. cxd5 cxd5 9. Ne5 Nc6 10. Nxc6 bxc6 11. Na4 Re8 12. b3 Qc8 13. Bb2 Bh3 14. Rc1 Bxg2 15. Kxg2 Ne4 16. Qc2 Qf5 17. Qd3 e5 18. Rxc6 Rac8 19. Rxc8 Rxc8 20. dxe5 Qe6 21. f3 Nc5 22. Nxc5 Rxc5 23. f4 Qc6 24. Bd4 Rc2 25. a4 a5 26. Rf2 Bf8 27. Qb5 Bb4 28. Qxc6 Rxc6 29. Kf3 Kf8 30. e4 dxe4+ 31. Kxe4 Ke7 32. Bb2 Ke6 33. g4 Rc5 34. f5+ Ke7 35. Re2 g5 36. Kd4 Kd7 37. Kd3 Rd5+ 38. Kc2 Kc6 39. e6 fxe6 40. Rxe6+ Kd7 41. Re2 Kd8 42. Bf6+ Kd7 43. Bxg5 h5 44. h3 hxg4 45. hxg4 Rd4 46. Rg2 Ke8 47. Be3 Rd5 48. Rf2 Kf7 49. g5 Re5 50. g6+ Kg8 51. Bd4 Rd5 52. Bb2 Kf8 53. Rh2 Rxf5 54. Rh8+ Ke7 55. g7 Rf2+ 56. Kb1 Rf1+ 57. Ka2 Rg1 58. g8=Q Rxg8 59. Rxg8 Ke6 60. Kb1 1-0