[Event "Candidates qf3"] [Site "Rotterdam"] [Date "1977.03.01"] [Round "1"] [White "Larsen, Bent"] [Black "Portisch, Lajos"] [Result "0-1"] [GameId "xMmMmkoR"] [WhiteElo "2615"] [BlackElo "2625"] [Variant "Standard"] [TimeControl "-"] [ECO "B25"] [Opening "Sicilian Defense: Closed, Botvinnik Defense, with f4"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.12] } 1... c5 { [%eval 0.18] } 2. Nc3 { [%eval 0.0] } 2... Nc6 { [%eval 0.13] } 3. g3 { [%eval 0.09] } 3... g6 { [%eval 0.0] } 4. Bg2 { [%eval 0.04] } 4... Bg7 { [%eval 0.16] } 5. d3 { [%eval -0.15] } 5... d6 { [%eval 0.0] } 6. f4 { [%eval -0.13] } 6... e5?! { (-0.13 → 0.48) Inaccuracy. e6 was best. } { [%eval 0.48] } { B25 Sicilian Defense: Closed, Botvinnik Defense, with f4 } (6... e6 7. Nf3 Nge7 8. Be3 O-O 9. O-O Rb8 10. Bf2 b5 11. a3) 7. Nf3 { [%eval 0.31] } 7... Nge7 { [%eval 0.3] } 8. O-O { [%eval 0.33] } 8... O-O { [%eval 0.14] } 9. Be3 { [%eval 0.0] } 9... Nd4 { [%eval 0.05] } 10. Qd2 { [%eval -0.33] } 10... exf4?! { (-0.33 → 0.22) Inaccuracy. Bg4 was best. } { [%eval 0.22] } (10... Bg4 11. Nh4) 11. Bxf4 { [%eval 0.2] } 11... Nxf3+ { [%eval 0.24] } 12. Rxf3 { [%eval 0.28] } 12... Qb6 { [%eval 0.32] } 13. Rb1 { [%eval 0.42] } 13... Be6 { [%eval 0.49] } 14. Bg5 { [%eval 0.32] } 14... Nc6 { [%eval 0.27] } 15. Be3 { [%eval 0.0] } 15... Ne5 { [%eval 0.0] } 16. Rff1 { [%eval -0.33] } 16... Ng4 { [%eval -0.24] } 17. Bf4 { [%eval -0.09] } 17... c4+ { [%eval -0.28] } 18. Kh1 { [%eval 0.0] } 18... cxd3 { [%eval 0.0] } 19. cxd3 { [%eval -0.1] } 19... Bd4 { [%eval -0.28] } 20. h3 { [%eval -0.54] } 20... Ne3 { [%eval -0.25] } 21. Rfe1 { [%eval -0.51] } 21... Nxg2 { [%eval -0.28] } 22. Kxg2 { [%eval -0.34] } 22... Qc6 { [%eval -0.37] } 23. Be3 { [%eval -0.54] } 23... Bh8 { [%eval -0.33] } 24. Rbc1 { [%eval -0.5] } 24... Qd7 { [%eval -0.52] } 25. Kh2 { [%eval -0.42] } 25... a6 { [%eval -0.43] } 26. Qg2 { [%eval -0.53] } 26... Rac8 { [%eval -0.6] } 27. d4 { [%eval -0.44] } 27... Qd8 { [%eval -0.38] } 28. d5 { [%eval -0.5] } 28... Bd7 { [%eval -0.5] } 29. Bf4 { [%eval -0.28] } 29... Qe7 { [%eval -0.37] } 30. Qd2 { [%eval -0.5] } 30... Be5 { [%eval -0.33] } 31. Rf1 { [%eval -0.62] } 31... Rce8 { [%eval -0.3] } 32. Rce1 { [%eval -0.41] } 32... f6 { [%eval -0.4] } 33. a3 { [%eval -0.28] } 33... h5 { [%eval -0.2] } 34. Ne2?! { (-0.20 → -0.75) Inaccuracy. Rf2 was best. } { [%eval -0.75] } (34. Rf2 g5 35. Bxe5 Qxe5 36. Kg2 Rf7 37. Ref1 h4 38. gxh4 Rh7 39. Rf5 Bxf5 40. Rxf5 Qe7) 34... g5 { [%eval -0.89] } 35. Bxe5 { [%eval -0.95] } 35... Qxe5 { [%eval -0.91] } 36. Nd4 { [%eval -0.97] } 36... h4 { [%eval -0.91] } 37. Rg1 { [%eval -0.61] } 37... Kf7 { [%eval -0.62] } 38. Nf3 { [%eval -0.62] } 38... hxg3+ { [%eval -0.62] } 39. Rxg3 { [%eval -0.56] } 39... Qf4 { [%eval -0.56] } 40. Rf1 { [%eval -0.51] } 40... Qxd2+ { [%eval -0.39] } 41. Nxd2 { [%eval -0.58] } 41... Rc8 { [%eval -0.38] } 42. Rxg5 { [%eval -0.55] } 42... Rh8 { [%eval -0.64] } 43. e5 { [%eval -0.43] } 43... dxe5 { [%eval -0.43] } 44. Ne4 { [%eval -0.43] } 44... Rc2+ { [%eval -0.43] } 45. Kg1 { [%eval -0.74] } 45... Rh6 { [%eval -0.45] } 46. Rg3? { (-0.45 → -1.86) Mistake. h4 was best. } { [%eval -1.86] } (46. h4) 46... f5 { [%eval -1.76] } 47. b4?! { (-1.76 → -2.39) Inaccuracy. b3 was best. } { [%eval -2.39] } (47. b3 Rh4) 47... b6 { [%eval -1.86] } 48. Ng5+?! { (-1.86 → -2.57) Inaccuracy. Rg5 was best. } { [%eval -2.57] } (48. Rg5 Rg6 49. h4 Rxg5+ 50. Nxg5+ Kg6 51. Ne6 Kf6 52. h5 Bxe6 53. dxe6 Kxe6 54. b5 a5) 48... Ke7 { [%eval -2.59] } 49. Nf3 { [%eval -2.75] } 49... Kf6 { [%eval -2.68] } 50. Rg8 { [%eval -3.33] } 50... Rxh3 { [%eval -3.14] } 51. Rb8? { (-3.14 → -5.57) Mistake. Rf8+ was best. } { [%eval -5.57] } (51. Rf8+ Ke7 52. Rg8 Bb5 53. Rf2 Rc1+ 54. Kg2 Rhh1 55. a4 Bxa4 56. Rg7+ Kd6 57. Rg6+ Kxd5) 51... f4 { [%eval -5.49] } 52. Rxb6+ { [%eval -5.42] } 52... Kf5 { [%eval -5.37] } 53. Rf2?! { (-5.37 → -8.61) Inaccuracy. a4 was best. } { [%eval -8.61] } (53. a4 Rg3+ 54. Kh1 Ke4 55. Ng1 Bxa4 56. Rxa6 Bb5 57. Re1+ Kxd5 58. Rh6 f3 59. Nxf3 Rxf3) 53... Rg3+ { [%eval -8.43] } 54. Kf1 { [%eval -7.95] } 54... Bb5+ { [%eval -6.76] } 55. Ke1 { [%eval -6.38] } 55... Rxf2 { [%eval -5.16] } 56. Kxf2 { [%eval -5.09] } 56... Ke4 { [%eval -4.85] } 57. Nd2+ { [%eval -5.12] } 57... Kxd5 { [%eval -5.11] } 58. a4 { [%eval -4.92] } 58... Bd3 { [%eval -4.44] } 59. Rf6?! { (-4.44 → -5.73) Inaccuracy. Nf1 was best. } { [%eval -5.73] } (59. Nf1) 59... Re3?! { (-5.73 → -4.21) Inaccuracy. e4 was best. } { [%eval -4.21] } (59... e4) 60. Nb3 { [%eval -5.07] } 60... Re2+ { [%eval -5.06] } 61. Kg1 { [%eval -4.89] } 61... Rb2 { [%eval -4.64] } 62. Nc5 { [%eval -4.63] } 62... Be2 { [%eval -4.44] } 63. Rb6? { (-4.44 → -7.51) Mistake. Nxa6 was best. } { [%eval -7.51] } (63. Nxa6 Ke4) 63... Kd4 { [%eval -6.57] } 64. Nd7 { [%eval -8.51] } 64... Bf3 { [%eval -7.37] } 65. Re6?! { (-7.37 → -54.85) Inaccuracy. b5 was best. } { [%eval -54.85] } (65. b5 a5) 65... Ke3 { [%eval -55.13] } 66. Rxe5+ { [%eval -17.94] } 66... Be4 { [%eval -14.95] } { White resigns. } 0-1