Donaldson, John vs Costigan, Richard
NWC October Open · Round ? · 1983.10.?? · 1/2-1/2 · B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
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PGN
[Event "NWC October Open"] [Site "Seattle, WA USA"] [Date "1983.10.??"] [Round "?"] [White "Donaldson, John"] [Black "Costigan, Richard"] [Result "1/2-1/2"] [PlyCount "57"] [WhiteElo "2405"] [WhiteFideId "2000709"] [WhiteTitle "IM"] [BlackElo "2240"] [BlackFideId "2001632"] [BlackTitle "IM"] [ECO "B30m"] [Source "Codekiddy"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Nd4 5. e5 Nxb5 6. Nxb5 Nd5 7. O-O a6 8. c4 Nb4 9. Nc3 Nc6 10. Re1 d6 11. exd6 e6 12. d4 cxd4 13. Nxd4 Bxd6 14. Nxc6 bxc6 15. Ne4 Be7 16. Qg4 Kf8 17. Qg3 Ra7 18. Bf4 Rd7 19. c5 Rd3 20. Be3 h5 21. Qf3 e5 22. Nd6 Bxd6 23. cxd6 Rd5 24. b4 Be6 25. Rac1 Qd7 26. Qe2 Kg8 27. Qxa6 Rxd6 28. Qa5 Bd5 29. f3 1/2-1/2