Donaldson, John vs Weiss, Martin
US Open Boston, MA USA · Round 1 · 1988.01.01 · 1-0 · E91 King's Indian Defense: Orthodox Variation
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PGN
[Event "US Open Boston, MA USA"] [Site "US op Boston, MA USA"] [Date "1988.01.01"] [Round "1"] [White "Donaldson, John"] [Black "Weiss, Martin"] [Result "1-0"] [PlyCount "81"] [WhiteElo "2415"] [WhiteFideId "2000709"] [WhiteTitle "IM"] [BlackElo "1830"] [BlackFideId "1663828"] [ECO "E91p"] [Source "Codekiddy"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Nc6 7. d5 Nb8 8. O-O Nbd7 9. Be3 e5 10. Ne1 Ne8 11. Nd3 f5 12. f3 b6 13. b4 Ndf6 14. c5 Ba6 15. b5 Bc8 16. cxb6 axb6 17. Nb4 Bb7 18. a4 Nd7 19. Qb3 Kh8 20. Nc6 Qh4 21. a5 Nc5 22. Qc4 Bh6 23. Bf2 Qg5 24. a6 Bc8 25. Kh1 Qf6 26. Nb4 Qg7 27. Nd3 Bd2 28. Rad1 Bh6 29. Bg1 f4 30. Na4 Qe7 31. Naxc5 dxc5 32. Nxc5 bxc5 33. Bxc5 Nd6 34. Qb4 Rf6 35. Rc1 Bf8 36. Rc2 Qg7 37. Rfc1 Bd7 38. Qb2 Rf7 39. b6 cxb6 40. Qxb6 Nc8 41. Qb7 1-0