Sigurjonsson, Gudmundur vs De Firmian, Nick
Lone Pine Open · Round 1 · 1979.03.01 · 1/2-1/2 · B92 Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line
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PGN
[Event "Lone Pine Open"] [Site "Lone Pine open"] [Date "1979.03.01"] [Round "1"] [White "Sigurjonsson, Gudmundur"] [Black "De Firmian, Nick"] [Result "1/2-1/2"] [PlyCount "62"] [WhiteElo "2490"] [WhiteFideId "2300079"] [WhiteTitle "GM"] [BlackElo "2415"] [BlackFideId "2000105"] [BlackTitle "GM"] [ECO "B92k"] [Source "TheChessDog"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. f4 exf4 11. Rxf4 Nc6 12. Nd5 Bxd5 13. exd5 Ne5 14. Rb4 Qc8 15. a4 Re8 16. Na5 Rb8 17. Ra3 Bd8 18. Rc3 Qd7 19. Nb3 Rc8 20. Rxc8 Qxc8 21. Bf2 a5 22. Rb5 Nc4 23. Bxc4 Qxc4 24. Rxb7 Nxd5 25. Qd3 Qxd3 26. cxd3 Nb4 27. d4 Nd3 28. Nd2 Bf6 29. Ne4 Nxf2 30. Nxf6+ gxf6 31. Kxf2 Re4 1/2-1/2