[Event "Niksic"] [Site "Niksic YUG"] [Date "1983.08.28"] [Round "4"] [White "Garry Kasparov"] [Black "Lajos Portisch"] [Result "1-0"] [GameId "gM91t8Ok"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "E12"] [Opening "Queen's Indian Defense: Kasparov-Petrosian Variation, Petrosian Attack"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 { [%eval 0.0] } 1... Nf6 { [%eval 0.28] } 2. c4 { [%eval 0.16] } 2... e6 { [%eval 0.23] } 3. Nf3 { [%eval 0.0] } 3... b6 { [%eval 0.29] } 4. Nc3 { [%eval 0.24] } 4... Bb7 { [%eval 0.19] } 5. a3 { [%eval 0.17] } 5... d5 { [%eval 0.19] } 6. cxd5 { [%eval 0.12] } 6... Nxd5 { [%eval 0.07] } 7. e3 { [%eval 0.22] } { E12 Queen's Indian Defense: Kasparov-Petrosian Variation, Petrosian Attack } 7... Nxc3 { [%eval 0.08] } 8. bxc3 { [%eval 0.12] } 8... Be7 { [%eval 0.13] } 9. Bb5+ { [%eval 0.18] } 9... c6 { [%eval 0.25] } 10. Bd3 { [%eval 0.21] } 10... c5 { [%eval 0.18] } 11. O-O { [%eval 0.21] } 11... Nc6 { [%eval 0.23] } 12. Bb2 { [%eval 0.14] } 12... Rc8 { [%eval 0.43] } 13. Qe2 { [%eval 0.39] } 13... O-O { [%eval 0.32] } 14. Rad1 { [%eval 0.34] } 14... Qc7 { [%eval 0.47] } 15. c4 { [%eval 0.58] } 15... cxd4 { [%eval 1.01] } 16. exd4 { [%eval 0.93] } 16... Na5 { [%eval 0.84] } 17. d5 { [%eval 1.13] } 17... exd5?! { (1.13 → 1.92) Inaccuracy. Nxc4 was best. } { [%eval 1.92] } (17... Nxc4 18. Qe4 g6 19. Bxc4 Qxc4 20. Qe5 f6 21. Qxe6+ Rf7 22. Rc1 Qa6 23. d6 b5 24. Rfd1) 18. cxd5 { [%eval 2.03] } 18... Bxd5 { [%eval 2.0] } 19. Bxh7+ { [%eval 1.59] } 19... Kxh7 { [%eval 1.9] } 20. Rxd5 { [%eval 1.9] } 20... Kg8 { [%eval 2.06] } 21. Bxg7 { [%eval 1.74] } 21... Kxg7 { [%eval 1.83] } 22. Ne5 { [%eval 1.87] } 22... Rfd8 { [%eval 1.95] } 23. Qg4+ { [%eval 1.76] } 23... Kf8 { [%eval 1.83] } 24. Qf5 { [%eval 2.05] } 24... f6 { [%eval 2.17] } 25. Nd7+ { [%eval 1.93] } 25... Rxd7 { [%eval 1.91] } 26. Rxd7 { [%eval 2.0] } 26... Qc5 { [%eval 2.53] } 27. Qh7 { [%eval 2.55] } 27... Rc7 { [%eval 2.66] } 28. Qh8+ { [%eval 2.83] } 28... Kf7 { [%eval 2.78] } 29. Rd3 { [%eval 2.67] } 29... Nc4 { [%eval 2.65] } 30. Rfd1 { [%eval 3.03] } 30... Ne5? { (3.03 → 5.94) Mistake. Bd6 was best. } { [%eval 5.94] } (30... Bd6 31. Rd5) 31. Qh7+ { [%eval 6.04] } 31... Ke6 { [%eval 5.93] } 32. Qg8+ { [%eval 6.05] } 32... Kf5?? { (6.05 → Mate in 6) Checkmate is now unavoidable. Nf7 was best. } { [%eval #6] } (32... Nf7 33. Re1+ Qe5 34. Rxe5+ Kxe5 35. h4 Bc5 36. Rd1 f5 37. Qg7+ Ke6 38. Re1+ Kd5 39. Qf6) 33. g4+ { [%eval #5] } 33... Kf4 { [%eval #5] } 34. Rd4+ { [%eval #4] } 34... Kf3 { [%eval #4] } 35. Qb3+ { [%eval #3] } { White wins. } 1-0