[Event "Alekhine Memorial"] [Site "Moscow"] [Date "1971.12.09"] [Round "12"] [White "Kortschnoj, Viktor"] [Black "Spassky, Boris V"] [Result "1-0"] [GameId "yrDw6yl8"] [WhiteElo "2670"] [BlackElo "2690"] [Variant "Standard"] [TimeControl "-"] [ECO "E08"] [Opening "Catalan Opening: Closed, Spassky Gambit"] [Termination "Unknown"] [Annotator "lichess.org"] 1. Nf3 { [%eval 0.06] } 1... d5 { [%eval 0.25] } 2. c4 { [%eval -0.08] } 2... e6 { [%eval 0.17] } 3. g3 { [%eval 0.13] } 3... Nf6 { [%eval 0.15] } 4. Bg2 { [%eval 0.13] } 4... Be7 { [%eval 0.38] } 5. O-O { [%eval 0.15] } 5... O-O { [%eval 0.19] } 6. d4 { [%eval 0.37] } 6... c6 { [%eval 0.24] } 7. Qc2 { [%eval 0.31] } 7... Nbd7 { [%eval 0.53] } 8. b3 { [%eval 0.46] } 8... b6 { [%eval 0.59] } 9. Rd1 { [%eval 0.47] } 9... Bb7 { [%eval 0.69] } 10. Nc3 { [%eval 0.79] } 10... b5 { [%eval 1.02] } { E08 Catalan Opening: Closed, Spassky Gambit } 11. cxb5?! { (1.02 → 0.32) Inaccuracy. a3 was best. } { [%eval 0.32] } (11. a3 h6 12. c5 a5 13. h4 Re8 14. Bf4 Nh5 15. Bd2 Nhf6 16. b4 a4 17. Bf4 Nf8) 11... cxb5 { [%eval 0.53] } 12. Nxb5 { [%eval 0.7] } 12... Qa5 { [%eval 0.58] } 13. a4 { [%eval 0.6] } 13... Ne4 { [%eval 0.72] } 14. Nd2 { [%eval 0.24] } 14... Rac8?! { (0.24 → 0.84) Inaccuracy. Rfc8 was best. } { [%eval 0.84] } (14... Rfc8 15. Qb1 Ndf6 16. Nxe4 Nxe4 17. Bxe4 dxe4 18. Ba3 Bxa3 19. Nxa3 e3 20. f3 Ba6 21. Nb5) 15. Qa2 { [%eval 0.96] } 15... a6 { [%eval 1.17] } 16. Bxe4 { [%eval 1.16] } 16... dxe4 { [%eval 1.45] } 17. Nc4 { [%eval 1.26] } 17... Rxc4?? { (1.26 → 3.50) Blunder. Qd8 was best. } { [%eval 3.5] } (17... Qd8 18. Nbd6 Rb8 19. Nxb7 Rxb7 20. Ba3 Nf6 21. Bxe7 Qxe7 22. Rdc1 Rc8 23. Nd2 Rbb8 24. Rxc8+) 18. bxc4 { [%eval 3.34] } 18... axb5 { [%eval 3.5] } 19. axb5 { [%eval 3.41] } 19... Qc7 { [%eval 3.46] } 20. c5 { [%eval 3.31] } 20... Bd5 { [%eval 3.11] } 21. Qa7 { [%eval 3.16] } 21... Qd8 { [%eval 3.25] } 22. c6 { [%eval 3.15] } 22... Nf6?! { (3.15 → 4.69) Inaccuracy. Nb6 was best. } { [%eval 4.69] } (22... Nb6 23. c7 Qa8 24. Bd2 Qxa7 25. Rxa7 f6 26. Ra6 Nc8 27. Rb1 Bb7 28. Ra5 Bd6 29. b6) 23. Ba3 { [%eval 4.46] } 23... Bxa3 { [%eval 4.38] } 24. Rxa3 { [%eval 3.64] } 24... Bc4? { (3.64 → 6.59) Mistake. h5 was best. } { [%eval 6.59] } (24... h5 25. Qc5) 25. b6 { [%eval 6.04] } 25... e3 { [%eval 7.79] } 26. Rxe3?! { (7.79 → 5.22) Inaccuracy. b7 was best. } { [%eval 5.22] } (26. b7 Bd5 27. Rb1 Bxc6 28. b8=Q Qd5 29. f3 Rxb8 30. Rxb8+ Be8 31. Qe7 h6 32. Rxe8+ Nxe8) 26... Nd5?! { (5.22 → 7.85) Inaccuracy. Bd5 was best. } { [%eval 7.85] } (26... Bd5 27. c7) 27. b7 { [%eval 7.89] } 27... Nxe3 { [%eval 10.25] } 28. fxe3 { [%eval 9.74] } 28... Qg5 { [%eval 11.62] } 29. e4?? { (11.62 → Mate in 8) Checkmate is now unavoidable. d5 was best. } { [%eval #-8] } (29. d5) 29... Bxe2?? { (Mate in 8 → 6.90) Lost forced checkmate sequence. Qe3+ was best. } { [%eval 6.9] } { White wins. } (29... Qe3+ 30. Kg2 Qxe4+ 31. Kg1 Qe3+ 32. Kg2 Qxe2+ 33. Kh3 Bd5 34. Kh4 g6 35. Kg5 f6+ 36. Kf4) 1-0