[Event "Candidates qf4"] [Site "Augusta"] [Date "1974.??.??"] [Round "13"] [White "Kortschnoj, Viktor"] [Black "Mecking, Henrique"] [Result "1-0"] [GameId "8ppRGel9"] [WhiteElo "2670"] [BlackElo "2615"] [Variant "Standard"] [TimeControl "-"] [ECO "A77"] [Opening "Benoni Defense: Classical Variation, Czerniak Defense, Tal Line"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 { [%eval 0.25] } 1... Nf6 { [%eval 0.22] } 2. Nf3 { [%eval 0.0] } 2... c5 { [%eval 0.24] } 3. d5 { [%eval 0.27] } 3... e6 { [%eval 0.55] } 4. c4 { [%eval 0.32] } 4... exd5 { [%eval 0.66] } 5. cxd5 { [%eval 0.51] } 5... d6 { [%eval 0.74] } 6. Nc3 { [%eval 0.31] } 6... g6 { [%eval 0.61] } 7. e4 { [%eval 0.52] } 7... Bg7 { [%eval 0.75] } 8. Be2 { [%eval 0.64] } 8... O-O { [%eval 0.64] } 9. O-O { [%eval 0.43] } 9... Re8 { [%eval 0.58] } 10. Nd2 { [%eval 0.63] } { A77 Benoni Defense: Classical Variation, Czerniak Defense, Tal Line } 10... Nbd7 { [%eval 0.71] } 11. Qc2 { [%eval 0.69] } 11... Ne5 { [%eval 0.67] } 12. b3 { [%eval 0.67] } 12... g5 { [%eval 0.45] } 13. Bb2 { [%eval 0.5] } 13... g4 { [%eval 0.76] } 14. Rfe1 { [%eval 0.34] } 14... Nh5 { [%eval 0.36] } 15. Nd1 { [%eval 0.35] } 15... Nf4 { [%eval 0.6] } 16. Bb5 { [%eval 0.65] } 16... Rf8 { [%eval 0.47] } 17. Ne3 { [%eval 0.05] } 17... Qg5 { [%eval 0.23] } 18. Nf5? { (0.23 → -1.24) Mistake. Bf1 was best. } { [%eval -1.24] } (18. Bf1 Ned3) 18... Bxf5 { [%eval -1.38] } 19. exf5 { [%eval -0.83] } 19... Ned3?! { (-0.83 → 0.00) Inaccuracy. Nf3+ was best. } { [%eval 0.0] } (19... Nf3+ 20. Nxf3 gxf3 21. g3 Bxb2 22. Qxb2 Qxf5 23. Rad1 a6 24. Bf1 Ng6 25. Bd3 Qg5 26. b4) 20. Bxd3 { [%eval 0.0] } 20... Bxb2 { [%eval 0.0] } 21. Rad1 { [%eval -0.13] } 21... Bd4 { [%eval -0.09] } 22. Ne4 { [%eval 0.06] } 22... Qxf5 { [%eval -0.13] } 23. Ng3 { [%eval -0.09] } 23... Qg5 { [%eval 0.44] } 24. Bxh7+ { [%eval 0.36] } 24... Kh8 { [%eval 0.6] } 25. Qf5 { [%eval 0.38] } 25... Qh6?! { (0.38 → 1.08) Inaccuracy. Qxf5 was best. } { [%eval 1.08] } (25... Qxf5 26. Bxf5 Rfe8 27. Bd7 Re5 28. Bxg4 Nxd5 29. Nf5 Nc3 30. Rxe5 Bxe5 31. Rd3 d5 32. f4) 26. Qxg4 { [%eval 1.13] } 26... Nxg2 { [%eval 0.97] } 27. Kxg2 { [%eval 1.0] } 27... Qxh7 { [%eval 1.11] } 28. Re7 { [%eval 0.83] } 28... Rg8 { [%eval 1.0] } 29. Qf4?! { (1.00 → 0.23) Inaccuracy. Qh3 was best. } { [%eval 0.23] } (29. Qh3) 29... Be5 { [%eval 0.24] } 30. Qf3 { [%eval 0.0] } 30... Rg7?! { (0.00 → 0.87) Inaccuracy. Raf8 was best. } { [%eval 0.87] } (30... Raf8 31. Rxe5 dxe5 32. Qf6+ Qg7 33. Qh4+ Qh7) 31. Rxb7 { [%eval 0.96] } 31... Qc2?! { (0.96 → 1.95) Inaccuracy. a5 was best. } { [%eval 1.95] } (31... a5 32. Re1) 32. Re1 { [%eval 1.91] } 32... Kg8?! { (1.91 → 3.15) Inaccuracy. Qh7 was best. } { [%eval 3.15] } (32... Qh7 33. Re4) 33. Re4 { [%eval 3.13] } 33... Rf8 { [%eval 3.04] } 34. Rg4 { [%eval 2.39] } 34... Qxa2?? { (2.39 → 14.19) Blunder. Rxg4 was best. } { [%eval 14.19] } (34... Rxg4 35. Qxg4+) 35. Nf5 { [%eval 11.57] } 35... Rxg4+?! { (11.57 → Mate in 5) Checkmate is now unavoidable. Qc2 was best. } { [%eval #5] } (35... Qc2 36. Nh6+) 36. Qxg4+ { [%eval #4] } 36... Kh7 { [%eval #4] } 37. Qh5+ { [%eval #3] } 37... Kg8 { [%eval #3] } 38. Nh6+ { [%eval #7] } 38... Kg7 { [%eval #7] } 39. Nxf7 { [%eval #6] } 39... Rg8 { [%eval #1] } 40. Nxe5+ { [%eval #6] } 40... Kf6+ { [%eval #6] } 41. Ng4+ { [%eval #5] } 41... Rxg4+ { [%eval #5] } 42. Qxg4 { [%eval #4] } { White wins. } 1-0