[Event "USA-ch"] [Site "Estes Park, CO USA"] [Date "1986.??.??"] [Round "?"] [White "Michael Rohde (?)"] [Black "Boris Markovich Kogan (?)"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "C75"] [Opening "Ruy Lopez: Morphy Defense, Modern Steinitz Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 { C75 Ruy Lopez: Morphy Defense, Modern Steinitz Defense } 7. O-O Ng6 8. Nbd2 Be7 9. Re1 O-O 10. Nf1 Bg4 11. d5 Nh4 12. Ne3 Bxf3 13. gxf3 Na7 14. Kh1 Bg5 15. Rg1 Bf4 16. Ng2 Nxg2 17. Rxg2 Bxc1 18. Qxc1 Qh4 19. Qe3 f5 20. Rag1 Rf7?! { (0.26 → 1.00) Inaccuracy. g6 was best. } (20... g6 21. Bd7 f4 22. Qe2 Kh8 23. Rg4 Qh6 24. Rg5 Nc8 25. Qc4 Nb6 26. Qxc7 Rf7 27. Qxb6) 21. exf5 Nc8?! { (0.65 → 1.75) Inaccuracy. Qf6 was best. } (21... Qf6) 22. f4 Ne7 23. Bd7 Nxd5 24. Be6 Nxe3 25. Rxg7+ Kh8 26. Bxf7 h5 27. fxe3 Qf2?! { (1.70 → 2.68) Inaccuracy. Qf6 was best. } (27... Qf6 28. R7g6) 28. Bd5?? { (2.68 → 0.61) Blunder. Bxh5 was best. } { Black resigns. } (28. Bxh5) 1-0