Patterson, Roger vs Donaldson, John
Philadelphia XXIX World Open · Round 2 · 2001.07.05 · 1/2-1/2 · B35 Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation
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PGN
[Event "Philadelphia XXIX World Open"] [Site "Philadelphia XXIX World op"] [Date "2001.07.05"] [Round "2"] [White "Patterson, Roger"] [Black "Donaldson, John"] [Result "1/2-1/2"] [PlyCount "48"] [WhiteElo "2174"] [WhiteFideId "2602806"] [BlackElo "2435"] [BlackFideId "2000709"] [BlackTitle "IM"] [ECO "B35c"] [Source "Codekiddy"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. Qd2 d6 11. h3 Ne5 12. Be2 Nc4 13. Bxc4 Qxc4 14. Rfe1 Bd7 15. Bh6 Rfe8 16. Bxg7 Kxg7 17. Rad1 Rac8 18. Qe3 b6 19. Re2 Bc6 20. Rd4 Qa6 21. f4 Qb7 22. Qd2 Nd7 23. e5 dxe5 24. fxe5 Nf8 1/2-1/2