Event: Black Sea Grand Prix | Small Earth
Site: chess24.com
Date: 2021-07-14
White: Potapova, Margarita
WhiteTitle: WIM
WhiteElo: 2260
Black: Demchenko, Anton
BlackTitle: GM
BlackElo: 2600
Result: 0-1
ECO: A90
Opening: Dutch Defense: Classical Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... f5?! { [%eval 0.66] } { Inaccuracy. e6 was best. } { [%clk 1:30:52] } 2. Nf3 { [%eval 0.29] [%clk 1:28:32] } 2... Nf6 { [%eval 0.67] [%clk 1:31:00] } 3. g3 { [%eval 0.41] [%clk 1:28:55] } 3... e6 { [%eval 0.71] [%clk 1:31:23] } 4. c4 { [%eval 0.6] [%clk 1:29:10] } 4... d5 { [%eval 0.88] [%clk 1:31:49] } 5. Bg2 { [%eval 0.52] [%clk 1:29:13] } 5... Bd6 { [%eval 0.66] [%clk 1:32:12] } 6. O-O { [%eval 0.49] [%clk 1:28:04] } 6... O-O { [%eval 0.79] [%clk 1:32:36] } 7. b3?! { [%eval 0.25] } { Inaccuracy. Qc2 was best. } { [%clk 1:21:53] } 7... Ne4 { [%eval 0.56] [%clk 1:30:08] } 8. Qc2 { [%eval 0.45] [%clk 1:16:59] } 8... a5 { [%eval 0.47] [%clk 1:29:19] } 9. Nc3 { [%eval 0.56] [%clk 1:10:25] } 9... c6 { [%eval 0.65] [%clk 1:26:32] } 10. Bf4 { [%eval 0.25] [%clk 1:07:52] } 10... Bxf4 { [%eval 0.44] [%clk 1:20:37] } 11. gxf4 { [%eval 0.36] [%clk 1:08:17] } 11... Bd7 { [%eval 0.46] [%clk 1:20:57] } 12. e3 { [%eval 0.3] [%clk 1:04:40] } 12... Be8 { [%eval 0.47] [%clk 1:20:25] } 13. Ne5 { [%eval 0.43] [%clk 0:58:55] } 13... Nd7 { [%eval 0.54] [%clk 1:19:54] } 14. Nxd7?! { [%eval 0.01] } { Inaccuracy. Ne2 was best. } { [%clk 0:47:10] } 14... Qxd7 { [%eval 0.27] [%clk 1:19:15] } 15. Na4 { [%eval 0.08] [%clk 0:45:56] } 15... Qe7 { [%eval 0.08] [%clk 1:16:01] } 16. Nb2 { [%eval 0.11] [%clk 0:44:07] } 16... h6 { [%eval 0.12] [%clk 1:02:07] } 17. Nd3 { [%eval 0.03] [%clk 0:43:27] } 17... Kh8 { [%eval 0.45] [%clk 0:58:15] } 18. f3 { [%eval 0.08] [%clk 0:33:53] } 18... Nf6 { [%eval 0.14] [%clk 0:57:31] } 19. Kh1 { [%eval 0.0] [%clk 0:30:49] } 19... Bh5 { [%eval 0.0] [%clk 0:53:15] } 20. Ne5 { [%eval -0.31] [%clk 0:28:25] } 20... c5 { [%eval -0.3] [%clk 0:48:46] } 21. Qb2 { [%eval -0.34] [%clk 0:24:49] } 21... a4 { [%eval -0.15] [%clk 0:46:21] } 22. Rfe1 { [%eval -0.18] [%clk 0:21:55] } 22... Rfd8 { [%eval 0.01] [%clk 0:44:24] } 23. dxc5 { [%eval 0.0] [%clk 0:21:33] } 23... axb3 { [%eval 0.0] [%clk 0:41:38] } 24. axb3 { [%eval -0.36] [%clk 0:19:42] } 24... Rxa1 { [%eval -0.3] [%clk 0:41:52] } 25. Qxa1 { [%eval -0.51] [%clk 0:19:29] } 25... Qxc5 { [%eval -0.51] [%clk 0:42:01] } 26. Qb2 { [%eval -0.58] [%clk 0:15:06] } 26... b6 { [%eval -0.45] [%clk 0:33:31] } 27. h3 { [%eval -0.36] [%clk 0:14:55] } 27... dxc4 { [%eval -0.35] [%clk 0:31:29] } 28. bxc4 { [%eval -0.54] [%clk 0:15:09] } 28... Rd6 { [%eval -0.52] [%clk 0:30:36] } 29. e4 { [%eval -0.81] [%clk 0:09:19] } 29... Kg8?! { [%eval -0.28] } { Inaccuracy. Kh7 was best. } { [%clk 0:15:14] } 30. exf5 { [%eval -0.18] [%clk 0:05:32] } 30... exf5 { [%eval -0.33] [%clk 0:15:36] } 31. Qc2 { [%eval -0.3] [%clk 0:04:51] } 31... Qc8 { [%eval -0.4] [%clk 0:14:47] } 32. Rd1 { [%eval -0.37] [%clk 0:04:37] } 32... Rxd1+ { [%eval -0.15] [%clk 0:11:44] } 33. Qxd1 { [%eval -0.55] [%clk 0:05:00] } 33... Qc7?! { [%eval -0.02] } { Inaccuracy. Bf7 was best. } { [%clk 0:11:58] } 34. Qd4?! { [%eval -0.59] } { Inaccuracy. Qb1 was best. } { [%clk 0:04:09] } 34... Bf7 { [%eval -0.59] [%clk 0:12:13] } 35. Bf1 { [%eval -0.55] [%clk 0:02:11] } 35... Be6 { [%eval -0.4] [%clk 0:12:36] } 36. Bd3 { [%eval -0.64] [%clk 0:02:15] } 36... Qc5 { [%eval -0.73] [%clk 0:08:52] } 37. Qxc5 { [%eval -0.77] [%clk 0:01:46] } 37... bxc5 { [%eval -0.76] [%clk 0:09:20] } 38. Nc6?! { [%eval -1.41] } { Inaccuracy. Bb1 was best. } { [%clk 0:01:57] } 38... Kf8?! { [%eval -0.68] } { Inaccuracy. Nh5 was best. } { [%clk 0:09:15] } 39. Na5 { [%eval -0.75] [%clk 0:02:15] } 39... Nh5 { [%eval -0.77] [%clk 0:06:46] } 40. Nb3 { [%eval -0.74] [%clk 0:02:08] } 40... Nxf4 { [%eval -0.61] [%clk 0:07:10] } 41. Bf1 { [%eval -0.87] [%clk 0:02:11] } 41... Ke7 { [%eval -0.8] [%clk 0:07:29] } 42. Nxc5 { [%eval -0.94] [%clk 0:02:36] } 42... Kd6 { [%eval -0.45] [%clk 0:07:34] } 43. Nb3 { [%eval -0.93] [%clk 0:02:41] } 43... g5 { [%eval -0.95] [%clk 0:07:47] } 44. Kh2 { [%eval -0.94] [%clk 0:02:09] } 44... h5?! { [%eval -0.32] } { Inaccuracy. Ng6 was best. } { [%clk 0:07:19] } 45. Kg3?! { [%eval -0.98] } { Inaccuracy. h4 was best. } { [%clk 0:01:53] } 45... h4+ { [%eval -0.87] [%clk 0:07:38] } 46. Kf2 { [%eval -0.9] [%clk 0:02:11] } 46... Ke5 { [%eval -0.78] [%clk 0:07:35] } 47. Na1 { [%eval -0.96] [%clk 0:01:17] } 47... Bd7 { [%eval -0.83] [%clk 0:05:14] } 48. Nc2 { [%eval -0.87] [%clk 0:01:29] } 48... Ne6 { [%eval -1.12] [%clk 0:05:34] } 49. Ne3 { [%eval -0.93] [%clk 0:01:17] } 49... Bc6?! { [%eval -0.38] } { Inaccuracy. Nf4 was best. } { [%clk 0:05:51] } 50. Ng2?! { [%eval -1.37] } { Inaccuracy. Bd3 was best. } { [%clk 0:00:54] } 50... f4 { [%eval -1.11] [%clk 0:04:25] } 51. Ne1 { [%eval -1.41] [%clk 0:01:17] } 51... Kd4 { [%eval -0.91] [%clk 0:04:50] } 52. Nd3 { [%eval -1.09] [%clk 0:01:19] } 52... Bb7 { [%eval -1.01] [%clk 0:05:16] } 53. Nb4 { [%eval -1.06] [%clk 0:01:16] } 53... Nc5 { [%eval -0.89] [%clk 0:05:41] } 54. Nc2+ { [%eval -0.98] [%clk 0:00:49] } 54... Ke5 { [%eval -1.17] [%clk 0:05:27] } 55. Nb4 { [%eval -1.34] [%clk 0:01:01] } 55... Nb3 { [%eval -1.22] [%clk 0:05:43] } 56. c5 { [%eval -1.23] [%clk 0:00:57] } 56... Nd4?! { [%eval -0.26] } { Inaccuracy. Nxc5 was best. } { [%clk 0:05:58] } 57. Bg2?! { [%eval -1.26] } { Inaccuracy. c6 was best. } { [%clk 0:00:52] } 57... Bc8 { [%eval -1.03] [%clk 0:05:59] } 58. Bf1 { [%eval -0.86] [%clk 0:01:06] } 58... Bd7 { [%eval -0.42] [%clk 0:05:36] } 59. c6 { [%eval -0.87] [%clk 0:00:46] } 59... Bxc6 { [%eval -0.37] [%clk 0:05:58] } 60. Nxc6+ { [%eval -0.24] [%clk 0:01:02] } 60... Nxc6 { [%eval -0.2] [%clk 0:06:26] } 61. Ba6 { [%eval -0.22] [%clk 0:00:58] } 61... Kd4 { [%eval -0.33] [%clk 0:06:44] } 62. Ke2? { [%eval -1.75] } { Mistake. Bb7 was best. } { [%clk 0:01:05] } 62... Kc3 { [%eval -1.66] [%clk 0:07:07] } 63. Bc8?? { [%eval -6.94] } { Blunder. Kd1 was best. } { [%clk 0:01:09] } 63... Nd4+ { [%eval -6.78] [%clk 0:07:33] } 64. Kf2 { [%eval -6.68] [%clk 0:01:37] } 64... Kd2 { [%eval -6.69] [%clk 0:07:58] } 65. Bd7 { [%eval -6.85] [%clk 0:00:47] } 65... Nb3 { [%eval -7.43] [%clk 0:08:22] } 66. Bc6 { [%eval -7.58] [%clk 0:00:46] } 66... Nc5 { [%eval -7.85] [%clk 0:08:41] } 67. Be4 { [%eval -7.56] [%clk 0:00:34] } 67... Nd3+ { [%eval -7.79] [%clk 0:08:52] } 68. Kf1 { [%eval -7.57] [%clk 0:00:59] } 68... Ke3 { [%eval -8.14] [%clk 0:09:17] } 69. Bb7 { [%eval -8.34] [%clk 0:01:26] } 69... Nf2 { [%eval -7.67] [%clk 0:07:49] } 70. Kg2 { [%eval -8.2] [%clk 0:01:44] } 70... Ke2 { [%eval -8.52] [%clk 0:08:15] } 71. Ba6+ { [%eval -8.62] [%clk 0:02:05] } 71... Ke1 { [%eval -7.0] [%clk 0:08:42] } 72. Bb5 { [%eval -7.02] [%clk 0:01:56] } 72... Nd1 { [%eval -7.05] [%clk 0:09:04] } 73. Ba6 { [%eval -7.06] [%clk 0:02:14] } 73... Nb2 { [%eval -6.99] [%clk 0:08:45] } 74. Bb5 { [%eval -7.47] [%clk 0:02:27] } 74... Kd2 { [%eval -7.25] [%clk 0:09:10] } 75. Kf1 { [%eval -7.75] [%clk 0:01:02] } 75... Nd3 { [%eval -7.76] [%clk 0:09:34] } 76. Bc6 { [%eval -7.53] [%clk 0:01:22] } 76... Ke3 { [%eval -7.69] [%clk 0:08:39] } 77. Bb7 { [%eval -7.99] [%clk 0:01:45] } 77... Nf2 { [%eval -7.67] [%clk 0:08:18] } 78. Kg2 { [%eval -8.38] [%clk 0:02:10] } 78... Ke2 { [%eval -8.07] [%clk 0:08:44] } 79. Ba6+ { [%eval -8.25] [%clk 0:02:31] } 79... Nd3 { [%eval -8.26] [%clk 0:09:09] } 80. Kg1 { [%eval -8.48] [%clk 0:00:45] } 80... Ke3 { [%eval -9.23] [%clk 0:09:27] } 81. Bb7 { [%eval -9.54] [%clk 0:01:06] } 81... Ne1 { [%eval -8.47] [%clk 0:09:51] } 0-1