Cooper, Thomas L. vs Mason, Donald J
Monroe ch-MI Open · Round 1 · 1986.01.01 · 1/2-1/2 · A06 Zukertort Opening: Nimzo-Larsen Variation
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PGN
[Event "Monroe ch-MI Open"] [Site "Monroe ch-MI op"] [Date "1986.01.01"] [Round "1"] [White "Cooper, Thomas L."] [Black "Mason, Donald J"] [Result "1/2-1/2"] [PlyCount "74"] [WhiteElo "2215"] [WhiteFideId "2008513"] [BlackElo "2036"] [BlackFideId "405116"] [ECO "A06"] [Source "Codekiddy"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. Nf3 Nf6 2. b3 d5 3. e3 c5 4. Bb2 e6 5. Ne5 a6 6. Be2 Bd6 7. f4 O-O 8. O-O Qc7 9. Bd3 Ne4 10. Nc3 f5 11. Bxe4 dxe4 12. Ne2 Nc6 13. Nxc6 Qxc6 14. Ng3 b5 15. Nh5 Rf7 16. g4 g6 17. Nf6+ Kf8 18. g5 Be7 19. Qe1 Bxf6 20. Bxf6 Raa7 21. Be5 Rad7 22. h4 Bb7 23. h5 gxh5 24. Rd1 Ke8 25. Qh4 Rf8 26. Bf6 Rg8 27. Qxh5+ Rf7 28. Rf2 Rg6 29. Kf1 b4 30. Ke1 Kd7 31. d3 Kc7 32. Be5+ Kb6 33. d4 c4 34. Qe2 c3 35. a4 a5 36. Qf1 Ba6 37. Qh1 Rd7 1/2-1/2