[Event "Candidates sf2"] [Site "Geneve"] [Date "1977.??.??"] [Round "13"] [White "Spassky, Boris V"] [Black "Portisch, Lajos"] [Result "1-0"] [GameId "7JnCrH7q"] [WhiteElo "2610"] [BlackElo "2625"] [Variant "Standard"] [TimeControl "-"] [ECO "B25"] [Opening "Sicilian Defense: Closed, Botvinnik Defense, with f4"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.24] } 1... c5 { [%eval 0.2] } 2. Nc3 { [%eval 0.0] } 2... Nc6 { [%eval 0.13] } 3. g3 { [%eval 0.09] } 3... g6 { [%eval 0.0] } 4. Bg2 { [%eval 0.0] } 4... Bg7 { [%eval 0.16] } 5. d3 { [%eval -0.15] } 5... d6 { [%eval 0.0] } 6. f4 { [%eval -0.13] } 6... e5?! { (-0.13 → 0.48) Inaccuracy. e6 was best. } { [%eval 0.48] } { B25 Sicilian Defense: Closed, Botvinnik Defense, with f4 } (6... e6 7. Nf3 Nge7 8. Be3 O-O 9. O-O Rb8 10. Bf2 b5 11. a3) 7. Nh3 { [%eval 0.0] } 7... exf4 { [%eval 0.35] } 8. Bxf4 { [%eval 0.0] } 8... Nge7 { [%eval 0.12] } 9. O-O { [%eval 0.0] } 9... h6 { [%eval 0.06] } 10. Rb1 { [%eval -0.4] } 10... O-O { [%eval 0.12] } 11. a3?! { (0.12 → -0.44) Inaccuracy. Bd2 was best. } { [%eval -0.44] } (11. Bd2 Ne5 12. Nf4 Kh7 13. h3 b6 14. b4 Bb7 15. Ncd5 Rc8 16. Nxe7 Qxe7 17. Nd5 Bxd5) 11... Be6 { [%eval -0.05] } 12. Be3 { [%eval 0.0] } 12... Ne5 { [%eval 0.18] } 13. Nf4 { [%eval 0.46] } 13... Bd7 { [%eval 0.39] } 14. Kh1 { [%eval 0.23] } 14... Rc8 { [%eval 0.37] } 15. Qd2 { [%eval 0.27] } 15... Kh7 { [%eval 0.23] } 16. h3 { [%eval 0.26] } 16... Bc6 { [%eval 0.72] } 17. g4 { [%eval 0.59] } 17... Qd7 { [%eval 0.65] } 18. Rf2 { [%eval 0.47] } 18... b6 { [%eval 0.91] } 19. Rbf1 { [%eval 0.66] } 19... Bb7 { [%eval 0.64] } 20. Qe2 { [%eval 0.63] } 20... Rce8 { [%eval 0.52] } 21. Bc1 { [%eval 0.18] } 21... Kg8 { [%eval 0.35] } 22. Qe3?! { (0.35 → -0.26) Inaccuracy. Qd1 was best. } { [%eval -0.26] } (22. Qd1 b5) 22... b5 { [%eval 0.07] } 23. Qg3 { [%eval 0.1] } 23... b4?! { (0.10 → 0.73) Inaccuracy. a5 was best. } { [%eval 0.73] } (23... a5 24. Bd2 b4 25. Ncd5 Nxd5 26. Nxd5 g5 27. Nf6+ Bxf6 28. Rxf6 Re6 29. R6f2 f6 30. Kg1) 24. axb4 { [%eval 0.8] } 24... cxb4 { [%eval 0.99] } 25. Nd1 { [%eval 0.79] } 25... d5 { [%eval 1.0] } 26. d4 { [%eval 0.97] } 26... N5c6 { [%eval 1.0] } 27. exd5 { [%eval 1.04] } 27... Nxd4 { [%eval 0.68] } 28. c4 { [%eval 0.91] } 28... bxc3 { [%eval 0.92] } 29. bxc3 { [%eval 0.77] } 29... Nb3 { [%eval 0.67] } 30. Ba3 { [%eval 0.75] } 30... Rc8? { (0.75 → 2.23) Mistake. Ba6 was best. } { [%eval 2.23] } (30... Ba6 31. Rg1) 31. c4 { [%eval 2.37] } 31... Na5 { [%eval 2.3] } 32. Re2 { [%eval 2.05] } 32... Rfe8 { [%eval 2.42] } 33. Rfe1 { [%eval 2.37] } 33... Bf8?? { (2.37 → 4.87) Blunder. Bf6 was best. } { [%eval 4.87] } (33... Bf6 34. c5) 34. Nh5 { [%eval 4.68] } 34... Nxd5? { (4.68 → 9.82) Mistake. gxh5 was best. } { [%eval 9.82] } (34... gxh5 35. gxh5+ Bg7 36. Rxe7 Rxe7 37. Rxe7 Qf5 38. Bb4 Nxc4 39. Bc3 Qg5 40. Qxg5 hxg5 41. Bxg7) 35. cxd5 { [%eval 9.56] } 35... gxh5 { [%eval 9.7] } 36. gxh5+ { [%eval 9.68] } 36... Bg7 { [%eval 9.46] } 37. Bb2 { [%eval 9.39] } 37... f6 { [%eval 9.25] } 38. Bxf6 { [%eval 9.08] } 38... Rxe2 { [%eval 8.88] } 39. Rxe2 { [%eval 8.56] } 39... Qf7 { [%eval 13.55] } 40. Re6 { [%eval 11.12] } { Black resigns. } 1-0