Event: Tournament
Date: 2021-10-14
White: Kovalenko, Sergey
Black: Riazantsev, Alexander
Result: 1-0
ECO: A46
Opening: Indian Defense: London System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:03:04] } 1... Nf6 { [%eval 0.28] [%clk 0:03:02] } 2. Nf3 { [%eval 0.12] [%clk 0:03:02] } 2... e6 { [%eval 0.29] [%clk 0:03:00] } 3. Bf4 { [%eval 0.0] [%clk 0:03:01] } 3... b6 { [%eval 0.27] [%clk 0:02:58] } 4. e3 { [%eval 0.3] [%clk 0:03:01] } 4... Bb7 { [%eval 0.21] [%clk 0:02:57] } 5. Nbd2 { [%eval 0.04] [%clk 0:03:03] } 5... c5 { [%eval 0.27] [%clk 0:02:51] } 6. c3 { [%eval 0.13] [%clk 0:03:06] } 6... Be7 { [%eval 0.24] [%clk 0:02:53] } 7. Be2?! { [%eval -0.36] } { Inaccuracy. h3 was best. } { [%clk 0:03:02] } 7... O-O { [%eval 0.11] [%clk 0:02:55] } 8. h3 { [%eval 0.18] [%clk 0:03:00] } 8... a6 { [%eval 0.25] [%clk 0:02:58] } 9. O-O { [%eval 0.18] [%clk 0:03:01] } 9... d6 { [%eval 0.38] [%clk 0:02:54] } 10. Bh2 { [%eval 0.13] [%clk 0:03:00] } 10... cxd4 { [%eval 0.48] [%clk 0:02:50] } 11. cxd4 { [%eval 0.15] [%clk 0:02:52] } 11... Nbd7 { [%eval 0.45] [%clk 0:02:41] } 12. Rc1 { [%eval 0.06] [%clk 0:02:49] } 12... b5 { [%eval 0.04] [%clk 0:02:43] } 13. Nb3 { [%eval -0.11] [%clk 0:02:41] } 13... Ne4 { [%eval -0.03] [%clk 0:02:17] } 14. Nfd2 { [%eval 0.15] [%clk 0:02:45] } 14... Ndf6 { [%eval 0.39] [%clk 0:01:49] } 15. f3 { [%eval 0.39] [%clk 0:02:21] } 15... Nxd2 { [%eval 0.41] [%clk 0:01:49] } 16. Qxd2 { [%eval 0.47] [%clk 0:02:22] } 16... Rc8 { [%eval 0.31] [%clk 0:01:20] } 17. e4 { [%eval 0.32] [%clk 0:01:57] } 17... Qb6 { [%eval 0.37] [%clk 0:01:18] } 18. Kh1 { [%eval 0.36] [%clk 0:01:54] } 18... h6 { [%eval 0.21] [%clk 0:01:19] } 19. Bg1?! { [%eval -0.32] } { Inaccuracy. Bd3 was best. } { [%clk 0:01:50] } 19... Nh5 { [%eval 0.08] [%clk 0:01:19] } 20. Kh2 { [%eval -0.25] [%clk 0:01:40] } 20... Bh4 { [%eval -0.31] [%clk 0:01:15] } 21. Rxc8 { [%eval -0.15] [%clk 0:01:23] } 21... Rxc8 { [%eval -0.16] [%clk 0:01:19] } 22. Rc1? { [%eval -1.39] } { Mistake. Be3 was best. } { [%clk 0:01:24] } 22... Bg3+ { [%eval -1.64] [%clk 0:01:11] } 23. Kh1 { [%eval -1.75] [%clk 0:01:27] } 23... Qd8? { [%eval -0.25] } { Mistake. Bf4 was best. } { [%clk 0:01:06] } 24. Rxc8 { [%eval -0.42] [%clk 0:01:20] } 24... Bxc8 { [%eval -0.34] [%clk 0:01:06] } 25. Be3 { [%eval -0.15] [%clk 0:01:15] } 25... g5 { [%eval 0.0] [%clk 0:01:05] } 26. Qa5?! { [%eval -0.85] } { Inaccuracy. Kg1 was best. } { [%clk 0:01:00] } 26... Qd7?! { [%eval 0.03] } { Inaccuracy. Qxa5 was best. } { [%clk 0:01:07] } 27. Qb6 { [%eval 0.11] [%clk 0:00:58] } 27... Nf4 { [%eval 0.0] [%clk 0:01:09] } 28. Bf1 { [%eval 0.0] [%clk 0:00:59] } 28... Be1?! { [%eval 0.62] } { Inaccuracy. h5 was best. } { [%clk 0:00:46] } 29. Na5 { [%eval 0.32] [%clk 0:00:56] } 29... Nh5 { [%eval 0.67] [%clk 0:00:38] } 30. Kg1 { [%eval 0.91] [%clk 0:00:55] } 30... Kg7 { [%eval 0.6] [%clk 0:00:30] } 31. Nc6?! { [%eval 0.0] } { Inaccuracy. Bf2 was best. } { [%clk 0:00:50] } 31... Qb7 { [%eval 0.0] [%clk 0:00:25] } 32. d5 { [%eval -0.01] [%clk 0:00:47] } 32... Qxb6 { [%eval -0.05] [%clk 0:00:20] } 33. Bxb6 { [%eval -0.09] [%clk 0:00:48] } 33... Nf4 { [%eval 0.15] [%clk 0:00:20] } 34. dxe6 { [%eval 0.38] [%clk 0:00:40] } 34... Bxe6 { [%eval 0.23] [%clk 0:00:20] } 35. Bc7 { [%eval -0.01] [%clk 0:00:40] } 35... d5 { [%eval 0.09] [%clk 0:00:13] } 36. a4 { [%eval -0.11] [%clk 0:00:29] } 36... dxe4 { [%eval 0.36] [%clk 0:00:15] } 37. axb5 { [%eval 0.39] [%clk 0:00:30] } 37... axb5 { [%eval 0.37] [%clk 0:00:09] } 38. fxe4 { [%eval 0.48] [%clk 0:00:33] } 38... b4 { [%eval 0.66] [%clk 0:00:10] } 39. Be5+ { [%eval 0.41] [%clk 0:00:24] } 39... f6 { [%eval 0.24] [%clk 0:00:10] } 40. Bxf4 { [%eval 0.0] [%clk 0:00:26] } 40... gxf4 { [%eval 0.0] [%clk 0:00:12] } 41. Bd3 { [%eval -0.04] [%clk 0:00:24] } 41... b3 { [%eval 0.0] [%clk 0:00:13] } 42. Nd4 { [%eval 0.04] [%clk 0:00:24] } 42... Bg8 { [%eval 0.03] [%clk 0:00:13] } 43. Kf1 { [%eval -0.08] [%clk 0:00:23] } 43... Bd2 { [%eval -0.11] [%clk 0:00:13] } 44. Ne2?! { [%eval -0.94] } { Inaccuracy. Be2 was best. } { [%clk 0:00:26] } 44... h5?! { [%eval -0.15] } { Inaccuracy. Kf8 was best. } { [%clk 0:00:08] } 45. Bb5 { [%eval -0.28] [%clk 0:00:24] } 45... Kh6 { [%eval 0.0] [%clk 0:00:07] } 46. Bc6 { [%eval 0.0] [%clk 0:00:23] } 46... Bc4 { [%eval 0.0] [%clk 0:00:11] } 47. Bd5 { [%eval 0.0] [%clk 0:00:22] } 47... Bd3 { [%eval 0.0] [%clk 0:00:12] } 48. Bxb3 { [%eval 0.0] [%clk 0:00:23] } 48... Bxe4 { [%eval 0.0] [%clk 0:00:11] } 49. Be6 { [%eval -0.13] [%clk 0:00:21] } 49... f3 { [%eval -0.08] [%clk 0:00:04] } 50. gxf3 { [%eval 0.0] [%clk 0:00:25] } 50... Bxf3 { [%eval 0.0] [%clk 0:00:06] } 51. Nd4 { [%eval 0.0] [%clk 0:00:23] } 51... Be4 { [%eval 0.0] [%clk 0:00:08] } 52. Bf5 { [%eval 0.0] [%clk 0:00:21] } 52... Bd5 { [%eval 0.0] [%clk 0:00:07] } 53. Be6 { [%eval 0.0] [%clk 0:00:20] } 53... Bb7 { [%eval 0.0] [%clk 0:00:09] } 54. Ke2 { [%eval -0.11] [%clk 0:00:21] } 54... Bb4 { [%eval 0.0] [%clk 0:00:09] } 55. Kd3 { [%eval -0.37] [%clk 0:00:21] } 55... Kg5 { [%eval -0.45] [%clk 0:00:07] } 56. Kc4 { [%eval -0.29] [%clk 0:00:22] } 56... Be1 { [%eval -0.36] [%clk 0:00:07] } 57. b4 { [%eval -0.25] [%clk 0:00:20] } 57... Kf4 { [%eval -0.48] [%clk 0:00:07] } 58. b5 { [%eval -0.23] [%clk 0:00:21] } 58... Ke5 { [%eval -0.23] [%clk 0:00:08] } 59. Bd7 { [%eval -0.25] [%clk 0:00:20] } 59... Bf2 { [%eval -0.04] [%clk 0:00:07] } 60. Bc6? { [%eval -1.18] } { Mistake. Nc6+ was best. } { [%clk 0:00:15] } 60... Bc8 { [%eval -1.12] [%clk 0:00:05] } 61. Nf3+ { [%eval -1.11] [%clk 0:00:09] } 61... Kd6? { [%eval -0.07] } { Mistake. Kf4 was best. } { [%clk 0:00:07] } 62. h4 { [%eval -0.06] [%clk 0:00:07] } 62... Be6+ { [%eval -0.12] [%clk 0:00:08] } 63. Kd3 { [%eval 0.0] [%clk 0:00:06] } 63... Bg4 { [%eval 0.0] [%clk 0:00:08] } 64. Ke4 { [%eval -0.06] [%clk 0:00:08] } 64... Bb6 { [%eval 0.0] [%clk 0:00:08] } 65. Nd4 { [%eval 0.0] [%clk 0:00:08] } 65... Kc5 { [%eval 0.0] [%clk 0:00:04] } 66. Nf5 { [%eval 0.0] [%clk 0:00:09] } 66... Kb4 { [%eval 0.0] [%clk 0:00:04] } 67. Ng7 { [%eval 0.0] [%clk 0:00:09] } 67... Bf2 { [%eval 0.0] [%clk 0:00:04] } 68. Nf5 { [%eval 0.0] [%clk 0:00:10] } 68... Ka5 { [%eval 0.0] [%clk 0:00:06] } 69. Be8 { [%eval 0.0] [%clk 0:00:10] } 69... Kb6 { [%eval 0.0] [%clk 0:00:06] } 70. Ng7 { [%eval 0.0] [%clk 0:00:12] } 70... Bxh4 { [%eval 0.0] [%clk 0:00:07] } 71. Bxh5 { [%eval -0.02] [%clk 0:00:12] } 71... Bd7 { [%eval 0.0] [%clk 0:00:03] } 72. Bg6 { [%eval 0.0] [%clk 0:00:14] } 72... Bxb5 { [%eval -0.02] [%clk 0:00:05] } 73. Kd5 { [%eval -0.06] [%clk 0:00:11] } 73... Bc6+ { [%eval -0.01] [%clk 0:00:07] } 74. Ke6 { [%eval -0.02] [%clk 0:00:11] } 74... Ba4 { [%eval -0.06] [%clk 0:00:07] } 75. Nh5 { [%eval 0.0] [%clk 0:00:10] } 75... Bb3+ { [%eval 0.0] [%clk 0:00:08] } 76. Kd6 { [%eval 0.0] [%clk 0:00:09] } 76... Bg5 { [%eval 0.0] [%clk 0:00:09] } 77. Bf5 { [%eval 0.0] [%clk 0:00:08] } 77... Ba2 { [%eval -0.04] [%clk 0:00:06] } 78. Ke7 { [%eval 0.0] [%clk 0:00:09] } 78... Kc5 { [%eval 0.0] [%clk 0:00:07] } 79. Nxf6 { [%eval 0.0] [%clk 0:00:08] } 79... Kd4 { [%eval 0.0] [%clk 0:00:08] } 80. Be6 { [%eval 0.0] [%clk 0:00:07] } 80... Ke5 { [%eval 0.0] [%clk 0:00:06] } 81. Bxa2 { [%eval 0.0] [%clk 0:00:09] } 81... Bxf6+ { [%eval 0.0] [%clk 0:00:09] } 1-0