[Event "World-ch26 Spassky-Petrosian +6-4=13"] [Site "Moscow"] [Date "1969.06.11"] [Round "21"] [White "Spassky, Boris Vasilievich"] [Black "Petrosian, Tigran V"] [Result "1-0"] [ECO "C92"] [SetUp "1"] [FEN "1qr1r1k1/1b1n1ppp/3p1b2/2nPp3/1p2P3/1P2BN1P/2BNQPP1/R3R1K1 w - - 0 25"] [PlyCount "57"] [EventDate "1969.04.14"] [EventType "match"] [EventRounds "23"] [EventCountry "URS"] [SourceTitle "MainBase"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 25. Bd3 (25. Rec1 Be7 26. g4 g6 27. Bd3 Rf8 28. g5 $16) 25... Nxd3 $2 (25... Bxd5 26. exd5 (26. Bxc5 Nxc5 27. exd5 e4 28. Nxe4 Nxe4 29. Bxe4 Bxa1 30. Rxa1 f5 31. Ng5 Qb7 32. Ne6 fxe4 33. Qxe4 h6 $11) (26. Bb5 Bc6 $15) 26... e4 27. Nxe4 Nxe4 28. Bxe4 Rxe4 (28... Bxa1 29. Bf5 Bc3 30. Bxd7 Bxe1 31. Qxe1 Rxe3 32. Qxe3 Rc3 33. Qe7 g6 34. Ng5 $18) 29. Nd2 Ree8 $11) 26. Qxd3 Ba8 27. Nc4 Nc5 28. Bxc5 Rxc5 29. Ra4 h6 30. Qd2 Be7 31. Rea1 Bb7 32. Qxb4 f5 33. Ra7 Rc7 34. exf5 Qc8 35. Ne3 e4 36. Nd4 Bf6 37. Rf1 Ba6 38. Rxc7 Qxc7 39. Qa4 Ra8 40. Rd1 Qb8 41. Nc6 Qb7 42. Qxe4 Qxb3 43. Re1 Bc3 44. Rb1 Qa2 45. Nb4 Qa4 46. Qe6+ Kh8 47. Qxd6 Be2 48. Nc6 Qa2 49. Rb8+ Rxb8 50. Qxb8+ Kh7 51. Qg3 Bh5 52. Kh2 Be1 53. f6 1-0