[Event "St Petersburg Chigorin CC-ch"] [Site "St Petersburg"] [Date "2009.05.24"] [Round "5"] [White "Sivokho, Sergey"] [Black "Golovankov, Vladimir"] [Result "0-1"] [GameId "YmWYABE0"] [WhiteElo "2472"] [BlackElo "2292"] [Variant "Standard"] [TimeControl "-"] [ECO "C41"] [Opening "Philidor Defense: Hanham Variation, Sharp Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.37] } 1... e5 { [%eval 0.29] } 2. Nf3 { [%eval 0.31] } 2... d6 { [%eval 0.27] } 3. d4 { [%eval 0.32] } 3... Nd7 { [%eval 0.7] } 4. Bc4 { [%eval 0.54] } 4... Nb6 { [%eval 0.77] } { C41 Philidor Defense: Hanham Variation, Sharp Variation } 5. Bb3 { [%eval 0.88] } 5... exd4 { [%eval 0.94] } 6. Qxd4 { [%eval 0.82] } 6... Be6 { [%eval 1.05] } 7. Bxe6 { [%eval 1.03] } 7... fxe6 { [%eval 0.89] } 8. O-O { [%eval 1.02] } 8... e5 { [%eval 1.1] } 9. Qd3 { [%eval 1.1] } 9... Nf6 { [%eval 1.1] } 10. Re1 { [%eval 0.94] } 10... Qd7 { [%eval 0.94] } 11. Nc3 { [%eval 0.94] } 11... Be7 { [%eval 1.13] } 12. a4 { [%eval 0.84] } 12... a5 { [%eval 1.04] } 13. Be3 { [%eval 1.03] } 13... Qc6 { [%eval 0.82] } 14. Bxb6 { [%eval 0.61] } 14... Qxb6 { [%eval 0.84] } 15. Nd5 { [%eval 0.56] } 15... Nxd5 { [%eval 0.52] } 16. Qxd5 { [%eval 0.54] } 16... Qc6 { [%eval 0.58] } 17. Qe6 { [%eval 0.47] } 17... Qd7 { [%eval 0.54] } 18. Qb3 { [%eval 0.51] } 18... c6 { [%eval 1.04] } 19. Rad1 { [%eval 1.14] } 19... Qc8 { [%eval 1.23] } 20. Nd2 { [%eval 1.17] } 20... Qc7 { [%eval 1.15] } 21. Re3 { [%eval 1.0] } 21... Rf8 { [%eval 0.96] } 22. Rd3 { [%eval 0.88] } 22... O-O-O { [%eval 1.09] } 23. Nc4 { [%eval 0.82] } 23... Kb8 { [%eval 1.06] } 24. Qc3 { [%eval 1.06] } 24... b6 { [%eval 1.06] } 25. Qe1 { [%eval 1.13] } 25... Ka7 { [%eval 1.17] } 26. R1d2 { [%eval 1.05] } 26... Bg5 { [%eval 1.02] } 27. Rd1 { [%eval 1.18] } 27... Be7 { [%eval 1.18] } 28. g3 { [%eval 0.8] } 28... Rf6 { [%eval 1.05] } 29. Kg2 { [%eval 0.92] } 29... h5 { [%eval 1.12] } 30. h4 { [%eval 1.17] } 30... Rdf8 { [%eval 1.17] } 31. f3 { [%eval 0.84] } 31... Rd8 { [%eval 1.01] } 32. Qe3 { [%eval 1.15] } 32... Ka6 { [%eval 1.6] } 33. c3 { [%eval 1.58] } 33... Rg6 { [%eval 1.55] } 34. Kh2 { [%eval 1.19] } 34... Re6?! { (1.19 → 1.99) Inaccuracy. d5 was best. } { [%eval 1.99] } (34... d5 35. exd5 e4 36. d6 Rgxd6 37. Rxd6 Bxd6 38. Nxd6 Rxd6 39. Qf4 Rd7 40. Rxd7 Qxd7 41. Qxe4) 35. b4 { [%eval 2.05] } 35... axb4 { [%eval 1.95] } 36. cxb4 { [%eval 2.09] } 36... d5 { [%eval 2.02] } 37. b5+ { [%eval 2.05] } 37... Kb7 { [%eval 2.05] } 38. Nd2?? { (2.05 → -1.10) Blunder. exd5 was best. } { [%eval -1.1] } (38. exd5 cxd5 39. Rxd5 Rxd5 40. Qe4 Qc5 41. Kg2 Rg6 42. Kh3 Kc7 43. Qxd5 Qxd5 44. Rxd5 Re6) 38... d4 { [%eval -1.2] } 39. Qe2 { [%eval -1.27] } 39... Ra8 { [%eval -1.2] } 40. Rc1 { [%eval -1.27] } 40... g5 { [%eval -1.27] } 41. hxg5 { [%eval -1.36] } 41... Bxg5 { [%eval -1.22] } 42. Ra3?! { (-1.22 → -2.07) Inaccuracy. bxc6+ was best. } { [%eval -2.07] } (42. bxc6+ Rxc6 43. Rxc6 Qxc6 44. Kg2 Rxa4 45. f4 exf4 46. Qxh5 Qc2 47. Qf7+ Ka6 48. Qe8 Ka7) 42... c5 { [%eval -1.98] } 43. Rc4 { [%eval -2.26] } 43... h4 { [%eval -2.08] } 44. g4 { [%eval -2.27] } 44... Qf7 { [%eval -1.86] } 45. Nf1?? { (-1.86 → -4.24) Blunder. Rc2 was best. } { [%eval -4.24] } (45. Rc2 Bxd2 46. Qxd2 Rg6 47. Qd3 Qf4+ 48. Kh1 Rd6 49. Qf1 h3 50. Kg1 Qg3+ 51. Kh1 Rf6) 45... Rd6 { [%eval -3.88] } 46. Rc2 { [%eval -4.3] } 46... Rad8?! { (-4.30 → -2.72) Inaccuracy. Bc1 was best. } { [%eval -2.72] } (46... Bc1 47. Rxc1 Qf4+ 48. Kg1 Qxc1 49. Ra2 Rf6 50. Qd2 Qc4 51. Qg5 Qe6 52. Nh2 c4 53. Qxh4) 47. Qd3?! { (-2.72 → -3.46) Inaccuracy. Qd1 was best. } { [%eval -3.46] } (47. Qd1 d3 48. Rcc3 c4 49. a5 Rf8 50. axb6 Qxf3 51. Ra7+ Kxb6 52. Ra6+ Kc7 53. Rxc4+ Kd7) 47... Rc8?! { (-3.46 → -2.50) Inaccuracy. Be3 was best. } { [%eval -2.5] } (47... Be3 48. Qd1 c4 49. Rg2 Bf4+ 50. Kh3 Ra8 51. Rga2 c3 52. Qb3 Qf6 53. Qd1 Qf7 54. Qb3) 48. Rc4? { (-2.50 → -4.53) Mistake. a5 was best. } { [%eval -4.53] } (48. a5 c4 49. Qd1 Bd8 50. Ne3 bxa5 51. Rca2 Qf4+ 52. Kh1 Rc5 53. Rc2 Qf7 54. Nf5 Rd7) 48... Rf6 { [%eval -3.52] } 49. Qe2?! { (-3.52 → -5.36) Inaccuracy. a5 was best. } { [%eval -5.36] } (49. a5 Rf8 50. axb6 Rxf3 51. Qxf3 Qxf3 52. Rxf3 Rxf3 53. Kg2 Rf4 54. Rxc5 Rxg4+ 55. Kf3 Rf4+) 49... Rf8 { [%eval -5.32] } 50. Kg2?! { (-5.32 → -9.67) Inaccuracy. a5 was best. } { [%eval -9.67] } (50. a5 Rxf3 51. Qxf3 Qxf3 52. Rxf3 Rxf3 53. a6+ Ka7 54. Kg1 Rf4 55. Nh2 Rxe4 56. Kf1 Rf4+) 50... h3+ { [%eval -8.41] } 51. Kg3 { [%eval -10.72] } 51... Rh6 { [%eval -7.47] } 52. Kh2 { [%eval -5.53] } 52... Bc1?! { (-5.53 → -3.86) Inaccuracy. Rf6 was best. } { [%eval -3.86] } (52... Rf6 53. Kg1 Rxf3 54. Rxf3 Qxf3 55. Qxf3 Rxf3 56. Rc2 Rf4 57. Rh2 Rxg4+ 58. Kf2 Rf4+ 59. Ke2) 53. Ra2 { [%eval -3.91] } 53... Qf4+ { [%eval -3.5] } 54. Kh1 { [%eval -3.45] } 54... Be3 { [%eval -2.82] } 55. Nh2?? { (-2.82 → -10.20) Blunder. a5 was best. } { [%eval -10.2] } (55. a5 Rd6 56. g5 Qxg5 57. Nxe3 Qxe3 58. Qxe3 dxe3 59. a6+ Ka7 60. Rc1 Rxf3 61. Rg1 Rd7) 55... Qg3 { [%eval -9.51] } 56. Qf1 { [%eval -9.83] } 56... Rhf6 { [%eval -8.44] } 57. Rcc2 { [%eval -10.75] } 57... d3 { [%eval -9.45] } 58. Rcb2? { (-9.45 → Mate in 12) Checkmate is now unavoidable. a5 was best. } { [%eval #-12] } (58. a5 dxc2) 58... c4?! { (Mate in 12 → -10.42) Lost forced checkmate sequence. Rxf3 was best. } { [%eval -10.42] } (58... Rxf3 59. Nxf3 Rxf3 60. Rf2 Rxf2 61. Rxf2 Qxf2 62. Qxf2 Bxf2 63. Kh2 d2 64. Kxh3 d1=Q 65. Kg2) 59. Rb1?! { (-10.42 → Mate in 14) Checkmate is now unavoidable. a5 was best. } { [%eval #-14] } (59. a5 c3) 59... Rxf3 { [%eval #-13] } 60. Nxf3 { [%eval #-13] } 60... Rxf3 { [%eval #-12] } 61. Qe1 { [%eval #-12] } 61... Rf2 { [%eval #-11] } 62. Rxf2 { [%eval #-11] } 62... Bxf2 { [%eval #-10] } 63. Qf1 { [%eval #-10] } 63... c3 { [%eval #-9] } { White resigns. } 0-1