[Event "Moscow-ch29"] [Site "Moscow"] [Date "1951.??.??"] [Round "?"] [White "Petrosian, Tigran V"] [Black "Khachaturov, Andrey Andreevich"] [Result "1-0"] [GameId "bf1nEchO"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A05"] [Opening "King's Indian Attack: Symmetrical Defense"] [Termination "Unknown"] [Annotator "lichess.org"] 1. Nf3 { [%eval 0.1] } 1... Nf6 { [%eval 0.18] } 2. g3 { [%eval 0.11] } 2... g6 { [%eval 0.21] } { A05 King's Indian Attack: Symmetrical Defense } 3. Bg2 { [%eval 0.13] } 3... Bg7 { [%eval 0.18] } 4. O-O { [%eval 0.16] } 4... O-O { [%eval 0.21] } 5. d3 { [%eval -0.08] } 5... d6 { [%eval 0.11] } 6. c4 { [%eval 0.07] } 6... e5 { [%eval 0.27] } 7. Nc3 { [%eval 0.21] } 7... c6 { [%eval 0.16] } 8. Bd2 { [%eval 0.13] } 8... Nh5?! { (0.13 → 0.73) Inaccuracy. Na6 was best. } { [%eval 0.73] } (8... Na6) 9. b4 { [%eval 0.82] } 9... a6 { [%eval 0.9] } 10. a4 { [%eval 0.92] } 10... f5 { [%eval 1.28] } 11. Rc1?! { (1.28 → 0.64) Inaccuracy. a5 was best. } { [%eval 0.64] } (11. a5) 11... h6 { [%eval 0.65] } 12. Ne1 { [%eval 0.19] } 12... Kh7 { [%eval 0.24] } 13. b5 { [%eval 0.27] } 13... axb5 { [%eval 0.48] } 14. axb5 { [%eval 0.52] } 14... f4 { [%eval 0.59] } 15. e3 { [%eval 0.35] } 15... fxg3 { [%eval 0.33] } 16. hxg3 { [%eval 0.38] } 16... Nf6 { [%eval 0.48] } 17. Rb1 { [%eval 0.14] } 17... Ng4?! { (0.14 → 0.89) Inaccuracy. Be6 was best. } { [%eval 0.89] } (17... Be6) 18. Nf3 { [%eval 0.86] } 18... Rf7 { [%eval 0.94] } 19. Qe2 { [%eval 0.55] } 19... Nf6 { [%eval 0.52] } 20. Nh2 { [%eval 0.53] } 20... d5 { [%eval 0.72] } 21. cxd5 { [%eval 0.78] } 21... cxd5 { [%eval 0.67] } 22. e4 { [%eval 0.59] } 22... dxe4 { [%eval 0.78] } 23. Nxe4 { [%eval 0.95] } 23... Nxe4 { [%eval 0.92] } 24. Bxe4 { [%eval 0.82] } 24... Bf5 { [%eval 0.79] } 25. Be3 { [%eval 0.83] } 25... Bxe4 { [%eval 0.78] } 26. dxe4 { [%eval 0.94] } 26... Ra4?! { (0.94 → 2.06) Inaccuracy. Nd7 was best. } { [%eval 2.06] } (26... Nd7 27. Qc4 Qe8 28. Rbc1 Nf6 29. Rfd1 Rf8 30. b6 Rc8 31. Qb3 Qe7 32. Qa4) 27. Rfd1 { [%eval 1.5] } 27... Qc8? { (1.50 → 2.89) Mistake. Qe8 was best. } { [%eval 2.89] } (27... Qe8) 28. Rbc1 { [%eval 2.62] } 28... Qe6 { [%eval 2.98] } 29. Qc2 { [%eval 3.14] } 29... Qa2?! { (3.14 → 4.43) Inaccuracy. Ra3 was best. } { [%eval 4.43] } (29... Ra3) 30. Qxa2 { [%eval 4.4] } 30... Rxa2 { [%eval 4.43] } 31. Rd8 { [%eval 4.03] } 31... Rf8?! { (4.03 → 5.59) Inaccuracy. h5 was best. } { [%eval 5.59] } (31... h5 32. Rxb8 Bh6 33. Bxh6 Kxh6 34. Rf1 g5 35. Re8 g4 36. b6 Kg6 37. Kg2) 32. Rxf8 { [%eval 5.62] } 32... Bxf8 { [%eval 5.17] } 33. Rc7+ { [%eval 5.25] } 33... Kg8 { [%eval 5.82] } 34. Ng4 { [%eval 5.71] } 34... Bd6?? { (5.71 → Mate in 2) Checkmate is now unavoidable. Bg7 was best. } { [%eval #2] } (34... Bg7 35. Rc8+ Kh7 36. Rxb8 h5 37. Nh2 g5 38. Rxb7 Kg6 39. Kg2 Ra4 40. Rb6+) 35. Nf6+ { [%eval #1] } 35... Kf8 { [%eval #1] } 36. Bxh6# { White wins. } 1-0