Petrosian vs Botvinnik
[Event "World Championship"] [Site "?"] [Round "0"] [White "Petrosian"] [Black "Botvinnik"] [Result "1-0"] [ECO "D81"] [Opening "Gruenfeld: Early Russian Variation"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 dxc4 5. Qxc4 Bg7 6. e4 O-O 7. Be2 Nc6 8. Nf3 Nd7 9. Be3 Nb6 10. Qc5 {10.Qd3 f5 With chances for both sides.} 10... Bg4 11. d5 Nd7 12. Qa3 Bxf3 13. Bxf3 Nd4 14. O-O-O Nxf3 15. gxf3 Nb6 { 15...c6 Trying to open up lines to the White king is also possible.} 16. Qb3 Qd7 17. h4 {White starts his kingside attack.} 17... h5 18. f4 e6 19. dxe6 Qxe6 20. Qxe6 fxe6 21. Rhg1 Kh7 22. Nb5 { White stands better in the endgame because of his more active pieces.} 22... Rf7 23. Nd4 Re8 {23...Bxd4 24.Rxd4 Re8} 24. Nf3 Bh6 25. Ng5+ Bxg5 26. Rxg5 Nc4 {26...Nc8 would be more defensive.} 27. Rdg1 {27.f5 would unleash the energy out of the White pieces after exf5 28.exf5 Rxf5 29.Rd7+ Kh8 30.Bd4+ Ne5 31.f4 winning the knight.} 27... Rg8 28. Kc2 { With no danger of being mated the White king moves to a more active position.} 28... b6 {Black is wrong to place his queenside pawns on Black squares which the enemy bishop can attack. 28...Nd6 Bringing the knight back to defend the kingside.} 29. f3 a6 {With the idea of playing Rd7, Nf7 defending the kingside. While the queenside pawns would be safer on the light squares.} 30. b3 Nd6 { f3 Rd7} 31. R5g2 {Rdd8 a4 Nf7 Bc1} 31... e5 {Be3 exf4 Bxf4 Rd7} 32. Rd2 { Rxd2+ Kxd2} 32... Rd8 {Ke2 c5 a5 White has a big advantage due to his queenside initiative and passed e-pawn. Rd7 39... bxa5 40.Ra1 Rd7 41.Rxa5 Rb7 42.Rxc5 Rxb3 43.Rc7 winning material on the seventh rank . axb6 axb6} 33. Ra1 Kg7 {Ra6 Rb7 Ra8 Kf6 43...b5 44. Rc8 c4 45.b4 would leave Black helpless. Rc8 Ne5 Ke3 Nd7 Rc6+ Kf7} 34. fxe5 {White's passed pawn marches ahead. Nf8} 34... Rf6 {Kg7 Ke4 b5 Rc6 Kf7 Rxc5 With the winning of this pawn the rest is a matter of technique. Ne6} 35. Rd5 {Ke7 Be3} 35... Rb8 36. Rxd6 { b4 Ra6 Rb5 Ra7+ Ke8 f4} 36... Kf8 { f5 Black resigned because he is a pawn down with more losses on the way.} 1-0
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OpeningD81 — Gruenfeld: Early Russian Variation
TournamentWorld Championship