Ivanov, Alexander vs Yoos, John C.
Sioux Falls Open · Round ? · 1998.??.?? · 1-0 · B45 Sicilian Defense: Four Knights Variation
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PGN
[Event "Sioux Falls Open"] [Site "Sioux Falls, SD USA"] [Date "1998.??.??"] [Round "?"] [White "Ivanov, Alexander"] [Black "Yoos, John C."] [Result "1-0"] [PlyCount "63"] [WhiteElo "2545"] [WhiteFideId "2000202"] [WhiteTitle "GM"] [BlackElo "2365"] [BlackFideId "2602113"] [BlackTitle "FM"] [ECO "B45g"] [Source "Codekiddy"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 Qb6 7. Nb3 Bb4 8. Bg2 d5 9. O-O d4 10. e5 Nd7 11. Ne2 Ndxe5 12. Nexd4 O-O 13. c3 Be7 14. Qe2 a6 15. Be3 Qc7 16. Bf4 Bd6 17. Rad1 Rd8 18. Nxc6 Nxc6 19. Bxd6 Rxd6 20. Rxd6 Qxd6 21. Rd1 Qe7 22. Qd3 e5 23. Bxc6 bxc6 24. Qd8+ Qf8 25. Qxf8+ Kxf8 26. Rd8+ Ke7 27. Rg8 g6 28. Nc5 a5 29. Nd3 Kf6 30. Re8 Bb7 31. Rxe5 Ba6 32. Rxa5 1-0