Ivanov, Igor V vs De Firmian, Nick
USA Ch Gp A, Denver USA · Round 1 · 1998.11.01 · 1/2-1/2 · A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
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PGN
[Event "USA Ch Gp A, Denver USA"] [Site "Denver, CO USA"] [Date "1998.11.01"] [Round "1"] [White "Ivanov, Igor V"] [Black "De Firmian, Nick"] [Result "1/2-1/2"] [PlyCount "38"] [WhiteElo "2505"] [WhiteFideId "55625770"] [BlackElo "2605"] [BlackFideId "2000105"] [BlackTitle "GM"] [ECO "A37s"] [Source "MillionBase2.9"] [SourceQuality "4"] [ImportDate "2026-01-06"] 1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. c4 g6 5. Nc3 Bg7 6. d3 d6 7. a3 Nge7 8. Rb1 a5 9. O-O O-O 10. Nd5 Rb8 11. Bg5 h6 12. Bxe7 Nxe7 13. Nxe7+ Qxe7 14. b4 axb4 15. axb4 cxb4 16. Ne1 Bd7 17. Rxb4 d5 18. Qb3 dxc4 19. dxc4 Bg4 1/2-1/2