Thiel, Peter vs De Firmian, Nick
Berkeley · Round ? · 1990.??.?? · 0-1 · B99 Sicilian Defense: Najdorf Variation, Main Line
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PGN
[Event "Berkeley"] [Site "Berkeley"] [Date "1990.??.??"] [Round "?"] [White "Thiel, Peter"] [Black "De Firmian, Nick"] [Result "0-1"] [PlyCount "74"] [WhiteElo "2199"] [WhiteFideId "2022389"] [BlackElo "2565"] [BlackFideId "2000105"] [BlackTitle "GM"] [ECO "B99y"] [Source "Codekiddy"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15. gxf6 Bf8 16. Rg1 Bd7 17. Rg7 Bxg7 18. fxg7 Rg8 19. e5 O-O-O 20. exd6 Qb6 21. Bg2 Rxg7 22. Ne4 Nxe4 23. Qxe4 Qa7 24. Nc6 Bxc6 25. Qxc6+ Kb8 26. a4 Rg5 27. axb5 axb5 28. Kb1 Rc5 29. Qf3 Rd7 30. Rd3 Rf5 31. Qg4 Qg1+ 32. Ka2 Qb6 33. Qg8+ Rd8 34. Qg3 b4 35. d7+ Ka7 36. Rd6 b3+ 37. Kb1 Qg1+ 0-1