[Event "URS-ch25 Semifinal"] [Site "Leningrad"] [Date "1957.11.15"] [Round "4"] [White "Spassky, Boris Vasilievich"] [Black "Zhukhovitsky, Samuel"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "From Position"] [TimeControl "-"] [ECO "?"] [Opening "?"] [Termination "Unknown"] [FEN "1k2r3/1p3p2/3p2bp/p1q1b3/Pr3N1Q/1B4P1/1PP4P/1K1R1R2 w - - 0 31"] [SetUp "1"] [Annotator "lichess.org"] 31. Nxg6 Rxh4 32. Nxh4 f6 33. Nf5 h5 34. Rd5 Qc7?! { (0.00 → 0.69) Inaccuracy. Qb4 was best. } (34... Qb4 35. Rb5 Qd2 36. Bd5 Ka7 37. Rxb7+ Ka6 38. Rb5 Ka7 39. Rb7+) 35. Rb5 b6 36. Ne3 Bd4 37. Nd5 Qd8 38. Rf4 Bc5 39. Rxf6 Re2 40. Rf7 Rf2 41. Rh7 Rxh2 42. Nxb6 Bxb6 43. Bd5 Kc8 44. Rb7 Qe8?! { (1.47 → 2.36) Inaccuracy. Qc7 was best. } (44... Qc7 45. Rxc7+) 45. R5xb6 Qe1+ 46. Ka2 Rxc2 47. Ra6 Rc7 48. Rb8+ Kd7 49. Rf8 Qb4?? { (1.91 → 4.54) Blunder. Qe5 was best. } (49... Qe5 50. Rxa5 Ke7 51. Rf4 Kd8 52. Rb5 Qe8 53. Rb8+ Rc8 54. Rb6 Rc5 55. Rxd6+) 50. Rf7+ Kd8 51. Rf4 Qd2?? { (4.52 → Mate in 10) Checkmate is now unavoidable. Qxf4 was best. } (51... Qxf4 52. gxf4 Rc5 53. Be6 Ke7 54. Bb3 Rf5 55. Ra7+ Ke8 56. Bc2 Rxf4 57. Rxa5) 52. Rf8+ { White wins. } 1-0