Ly, Moulthun vs De Firmian, Nick
39. World Open · Round 5 · 2011.07.02 · 0-1 · B30 Sicilian Defense: Old Sicilian
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PGN
[Event "39. World Open"] [Site "Philadelphia, PA USA"] [Date "2011.07.02"] [Round "5"] [White "Ly, Moulthun"] [Black "De Firmian, Nick"] [Result "0-1"] [PlyCount "76"] [WhiteElo "2369"] [WhiteFideId "3204405"] [WhiteTitle "GM"] [BlackElo "2522"] [BlackFideId "2000105"] [BlackTitle "GM"] [ECO "B30j"] [Source "PGNMentor"] [SourceQuality "1"] [ImportDate "2026-01-06"] 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf6 6. Nd2 a6 7. a4 d6 8. Nf1 Bg4 9. f3 Be6 10. Ne3 Nb4 11. Bxe6 fxe6 12. Ne2 d5 13. b3 O-O 14. O-O Nc6 15. exd5 exd5 16. Nf5 Qd7 17. Nxe7+ Qxe7 18. Ng3 b6 19. Be3 a5 20. Qe2 Rae8 21. Rae1 Qf7 22. Nf5 Qd7 23. Ng3 Rf7 24. Qd2 h6 25. Qd1 Ref8 26. Bc1 Ne8 27. Bb2 Re7 28. Qd2 Nd6 29. f4 Rxf4 30. Rxf4 exf4 31. Nh5 Nf5 32. Bxg7 Rxe1+ 33. Qxe1 Qf7 34. Bb2 Qxh5 35. Qe6+ Kh7 36. Kf2 Nce7 37. Bf6 Qg6 38. Qxb6 Ne3 0-1