[Event "Niksic"] [Site "Niksic"] [Date "1983.8.??"] [Round "4"] [White "Garry Kasparov"] [Black "Lajos Portisch"] [Result "1-0"] [GameId "ufrzFn8z"] [WhiteElo "2690"] [BlackElo "2600"] [Variant "Standard"] [TimeControl "-"] [ECO "E12"] [Opening "Queen's Indian Defense: Kasparov-Petrosian Variation, Petrosian Attack"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 { [%eval 0.15] } 1... Nf6 { [%eval 0.15] } 2. c4 { [%eval 0.16] } 2... e6 { [%eval 0.14] } 3. Nf3 { [%eval 0.11] } 3... b6 { [%eval 0.23] } 4. Nc3 { [%eval 0.15] } 4... Bb7 { [%eval 0.16] } 5. a3 { [%eval 0.07] } 5... d5 { [%eval 0.1] } 6. cxd5 { [%eval 0.1] } 6... Nxd5 { [%eval 0.12] } 7. e3 { [%eval 0.0] } { E12 Queen's Indian Defense: Kasparov-Petrosian Variation, Petrosian Attack } 7... Nxc3 { [%eval 0.06] } 8. bxc3 { [%eval 0.18] } 8... Be7 { [%eval 0.2] } 9. Bb5+ { [%eval 0.25] } 9... c6 { [%eval 0.23] } 10. Bd3 { [%eval 0.25] } 10... c5 { [%eval 0.23] } 11. O-O { [%eval 0.24] } 11... Nc6 { [%eval 0.38] } 12. Bb2 { [%eval 0.32] } 12... Rc8 { [%eval 0.41] } 13. Qe2 { [%eval 0.48] } 13... O-O { [%eval 0.43] } 14. Rad1 { [%eval 0.45] } 14... Qc7 { [%eval 0.5] } 15. c4 { [%eval 0.54] } 15... cxd4?! { (0.54 → 1.33) Inaccuracy. Na5 was best. } { [%eval 1.33] } (15... Na5 16. d5) 16. exd4 { [%eval 1.39] } 16... Na5 { [%eval 1.45] } 17. d5 { [%eval 1.52] } 17... exd5 { [%eval 1.98] } 18. cxd5 { [%eval 1.82] } 18... Bxd5 { [%eval 2.02] } 19. Bxh7+ { [%eval 1.84] } 19... Kxh7 { [%eval 1.87] } 20. Rxd5 { [%eval 1.81] } 20... Kg8 { [%eval 1.8] } 21. Bxg7 { [%eval 1.88] } 21... Kxg7 { [%eval 1.97] } 22. Ne5 { [%eval 1.85] } 22... Rfd8 { [%eval 1.74] } 23. Qg4+ { [%eval 2.08] } 23... Kf8 { [%eval 2.13] } 24. Qf5 { [%eval 1.77] } 24... f6 { [%eval 1.72] } 25. Nd7+ { [%eval 1.72] } 25... Rxd7 { [%eval 1.77] } 26. Rxd7 { [%eval 1.85] } 26... Qc5?! { (1.85 → 3.09) Inaccuracy. Qe5 was best. } { [%eval 3.09] } (26... Qe5) 27. Qh7 { [%eval 3.06] } 27... Rc7 { [%eval 2.98] } 28. Qh8+ { [%eval 3.4] } 28... Kf7 { [%eval 3.34] } 29. Rd3 { [%eval 3.4] } 29... Nc4 { [%eval 3.11] } 30. Rfd1 { [%eval 3.24] } 30... Ne5?? { (3.24 → 7.91) Blunder. Bd6 was best. } { [%eval 7.91] } (30... Bd6 31. Rd5) 31. Qh7+ { [%eval 7.8] } 31... Ke6 { [%eval 7.65] } 32. Qg8+ { [%eval 4.91] } 32... Kf5?? { (4.91 → Mate in 6) Checkmate is now unavoidable. Nf7 was best. } { [%eval #6] } (32... Nf7 33. Re3+ Qxe3 34. Qg4+ f5 35. Qg6+ Bf6 36. fxe3 Rc4 37. h3 a5 38. g4) 33. g4+ { [%eval #5] } 33... Kf4 { [%eval #5] } 34. Rd4+ { [%eval #4] } 34... Kf3 { [%eval #4] } 35. Qb3+ { [%eval #3] } { White wins. } 1-0