[Event "URS-chT"] [Site "Riga"] [Date "1975.??.??"] [Round "?"] [White "Polugaevsky, Lev"] [Black "Gufeld, Eduard"] [Result "1-0"] [GameId "iHPjBD3S"] [WhiteElo "2645"] [BlackElo "2535"] [Variant "Standard"] [TimeControl "-"] [ECO "E83"] [Opening "King's Indian Defense: Sämisch Variation, Ruban Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.0] } 1... g6?! { (0.00 → 0.68) Inaccuracy. Nf6 was best. } { [%eval 0.68] } (1... Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bf4 c6 6. Nc3) 2. e4 { [%eval 0.68] } 2... Bg7 { [%eval 0.73] } 3. c4 { [%eval 0.52] } 3... d6 { [%eval 0.76] } 4. Nc3 { [%eval 0.43] } 4... Nf6 { [%eval 0.65] } 5. f3 { [%eval 0.25] } 5... O-O { [%eval 0.47] } 6. Be3 { [%eval 0.29] } 6... Nc6 { [%eval 0.77] } 7. Nge2 { [%eval 0.62] } 7... Rb8 { [%eval 0.76] } { E83 King's Indian Defense: Sämisch Variation, Ruban Variation } 8. Qd2 { [%eval 0.78] } 8... Re8 { [%eval 0.78] } 9. Rb1 { [%eval 0.57] } 9... a6 { [%eval 0.62] } 10. b4 { [%eval 0.74] } 10... b5?! { (0.74 → 1.38) Inaccuracy. Nd7 was best. } { [%eval 1.38] } (10... Nd7 11. h4 h5 12. Nd1 e6 13. Bg5 Bf6 14. b5 axb5 15. cxb5 Ne7 16. Nec3 Ra8 17. Bc4) 11. cxb5 { [%eval 1.19] } 11... axb5 { [%eval 1.08] } 12. d5 { [%eval 1.19] } 12... Ne5 { [%eval 1.43] } 13. Nd4 { [%eval 1.08] } 13... Bd7 { [%eval 1.12] } 14. Ncxb5 { [%eval 1.23] } 14... e6 { [%eval 1.22] } 15. dxe6 { [%eval 1.0] } 15... fxe6 { [%eval 0.98] } 16. Be2 { [%eval 0.92] } 16... Nxf3+ { [%eval 1.34] } 17. gxf3 { [%eval 1.2] } 17... e5 { [%eval 1.52] } 18. O-O { [%eval 1.5] } 18... exd4 { [%eval 1.41] } 19. Nxd4 { [%eval 1.67] } 19... d5?! { (1.67 → 2.39) Inaccuracy. Kh8 was best. } { [%eval 2.39] } (19... Kh8 20. Bc4 Qe7 21. Rb3 Ba4 22. Ne6 Bxb3 23. Bxb3 c5 24. bxc5 dxc5 25. Bxc5 Qd7 26. Qd6) 20. exd5 { [%eval 2.31] } 20... Nxd5 { [%eval 2.97] } 21. Bc4 { [%eval 2.78] } 21... Re5?? { (2.78 → 5.85) Blunder. c6 was best. } { [%eval 5.85] } (21... c6) 22. f4 { [%eval 5.77] } 22... Rh5 { [%eval 5.87] } 23. f5 { [%eval 6.25] } 23... c6 { [%eval 5.78] } 24. b5 { [%eval 6.3] } 24... Bxd4 { [%eval 6.79] } 25. Qxd4 { [%eval 6.38] } 25... Bxf5 { [%eval 6.41] } 26. bxc6 { [%eval 6.43] } 26... Bxb1?! { (6.43 → 12.19) Inaccuracy. Be6 was best. } { [%eval 12.19] } (26... Be6 27. Qe4 Kg7 28. Qxe6 Nxe3 29. Qxe3 Rg5+ 30. Kh1 Rxb1 31. Rxb1 Qf6 32. Rf1 Qxc6+ 33. Qf3) 27. c7 { [%eval 11.92] } 27... Qxc7 { [%eval 6.27] } 28. Bxd5+ { [%eval 6.24] } 28... Rxd5 { [%eval 8.5] } 29. Qxd5+ { [%eval 9.37] } 29... Kg7 { [%eval 6.41] } 30. Bd4+ { [%eval 11.89] } 30... Kh6 { [%eval 10.97] } 31. Qe6 { [%eval 13.25] } 31... Bf5?! { (13.25 → Mate in 9) Checkmate is now unavoidable. Qc8 was best. } { [%eval #9] } (31... Qc8 32. Be3+) 32. Qf6 { [%eval #7] } 32... Kh5 { [%eval #7] } 33. Be3 { [%eval #6] } { Black resigns. } 1-0