Event: Riga, Latvia
Site: Riga, Latvia
Date: 2021-10-27
White: Demchenko Anton  (RUS)
WhiteElo: 2651
Black: Nguyen Thai Dai Van  (CZE)
BlackElo: 2577
Result: 1/2-1/2
ECO: C42
Opening: Petrov's Defense: Millennium Attack
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:40:54] } 1... e5 { [%eval 0.12] [%clk 1:40:35] } 2. Nf3 { [%eval 0.22] [%clk 1:41:07] } 2... Nf6 { [%eval 0.42] [%clk 1:40:48] } 3. Nxe5 { [%eval 0.31] [%clk 1:41:11] } 3... d6 { [%eval 0.26] [%clk 1:41:02] } 4. Nf3 { [%eval 0.29] [%clk 1:41:35] } 4... Nxe4 { [%eval 0.25] [%clk 1:41:09] } 5. Bd3 { [%eval 0.17] [%clk 1:39:25] } 5... d5 { [%eval 0.28] [%clk 1:39:21] } 6. O-O { [%eval 0.17] [%clk 1:39:06] } 6... Be7 { [%eval 0.21] [%clk 1:39:43] } 7. Re1 { [%eval 0.2] [%clk 1:39:10] } 7... O-O { [%eval 0.23] [%clk 1:39:57] } 8. Nc3 { [%eval 0.07] [%clk 1:32:03] } 8... Nc5 { [%eval 0.0] [%clk 1:25:50] } 9. Bf1 { [%eval 0.06] [%clk 1:26:30] } 9... d4 { [%eval -0.14] [%clk 1:25:55] } 10. Ne4 { [%eval -0.48] [%clk 1:20:51] } 10... Nxe4 { [%eval -0.49] [%clk 1:24:08] } 11. Rxe4 { [%eval -0.46] [%clk 1:21:18] } 11... Bf6 { [%eval -0.34] [%clk 1:24:13] } 12. d3 { [%eval -0.42] [%clk 1:17:44] } 12... Bf5 { [%eval -0.15] [%clk 1:20:51] } 13. Re1 { [%eval -0.17] [%clk 1:16:50] } 13... Nc6 { [%eval 0.0] [%clk 1:08:07] } 14. Bf4 { [%eval -0.04] [%clk 1:15:28] } 14... Qd7 { [%eval -0.26] [%clk 1:06:54] } 15. Qd2 { [%eval -0.08] [%clk 1:06:53] } 15... Rfe8 { [%eval -0.14] [%clk 1:02:19] } 16. h3 { [%eval -0.06] [%clk 1:00:32] } 16... h6 { [%eval 0.0] [%clk 1:00:32] } 17. a3 { [%eval -0.12] [%clk 0:58:10] } 17... a5 { [%eval -0.05] [%clk 0:58:23] } 18. Bh2 { [%eval -0.27] [%clk 0:51:26] } 18... Be6 { [%eval -0.57] [%clk 0:52:07] } 19. Qf4 { [%eval -0.4] [%clk 0:45:54] } 19... Rec8 { [%eval -0.6] [%clk 0:51:09] } 20. Re2 { [%eval -0.22] [%clk 0:39:28] } 20... a4 { [%eval -0.39] [%clk 0:49:34] } 21. Rae1 { [%eval -0.23] [%clk 0:38:51] } 21... Ra5 { [%eval -0.26] [%clk 0:49:37] } 22. Qc1 { [%eval -0.18] [%clk 0:38:01] } 22... Rb5 { [%eval -0.13] [%clk 0:46:25] } 23. Bf4 { [%eval 0.0] [%clk 0:35:58] } 23... Ra8 { [%eval -0.25] [%clk 0:39:07] } 24. Nd2 { [%eval -0.19] [%clk 0:32:18] } 24... Be7 { [%eval -0.07] [%clk 0:37:06] } 25. Nc4 { [%eval -0.35] [%clk 0:26:54] } 25... Bf8 { [%eval -0.5] [%clk 0:32:13] } 26. Rd2 { [%eval -0.63] [%clk 0:20:34] } 26... Rc5 { [%eval -0.46] [%clk 0:25:56] } 27. Ne5 { [%eval -0.72] [%clk 0:14:34] } 27... Nxe5 { [%eval -0.74] [%clk 0:26:05] } 28. Bxe5 { [%eval -0.66] [%clk 0:14:48] } 28... Rd5 { [%eval -0.58] [%clk 0:22:24] } 29. Rdd1?! { [%eval -1.19] } { Inaccuracy. Rde2 was best. } { [%clk 0:11:42] } 29... Raa5 { [%eval -1.32] [%clk 0:18:18] } 30. Bf4 { [%eval -1.31] [%clk 0:11:24] } 30... Rab5 { [%eval -1.21] [%clk 0:18:38] } 31. Re4 { [%eval -1.44] [%clk 0:07:00] } 31... Rb6 { [%eval -1.31] [%clk 0:16:01] } 32. Re5 { [%eval -1.43] [%clk 0:07:08] } 32... Rxe5 { [%eval -1.29] [%clk 0:14:50] } 33. Bxe5 { [%eval -1.19] [%clk 0:07:37] } 33... c5 { [%eval -1.32] [%clk 0:13:09] } 34. Re1 { [%eval -1.28] [%clk 0:05:54] } 34... Qd5 { [%eval -1.12] [%clk 0:10:27] } 35. c4 { [%eval -1.35] [%clk 0:05:28] } 35... Qd7 { [%eval -1.46] [%clk 0:09:28] } 36. Be2 { [%eval -1.33] [%clk 0:05:10] } 36... Bf5 { [%eval -1.37] [%clk 0:09:37] } 37. Bf4 { [%eval -1.33] [%clk 0:03:15] } 37... Rb3 { [%eval -1.51] [%clk 0:03:09] } 38. Bd1 { [%eval -1.52] [%clk 0:01:50] } 38... Bxd3 { [%eval -1.27] [%clk 0:02:55] } 39. Bxb3 { [%eval -1.35] [%clk 0:02:14] } 39... axb3 { [%eval -1.38] [%clk 0:03:22] } 40. Re5 { [%eval -1.44] [%clk 0:01:30] } 40... f6? { [%eval -0.31] } { Mistake. Qc6 was best. } { [%clk 0:02:05] } 41. Rd5 { [%eval -0.59] [%clk 0:47:13] } 41... Qe8?! { [%eval -0.08] } { Inaccuracy. Qc6 was best. } { [%clk 0:36:12] } 42. f3 { [%eval -0.37] [%clk 0:43:27] } 42... Kh7 { [%eval -0.08] [%clk 0:28:54] } 43. h4 { [%eval -0.47] [%clk 0:39:27] } 43... Qe6 { [%eval -0.54] [%clk 0:23:54] } 44. Rd8?! { [%eval -1.47] } { Inaccuracy. a4 was best. } { [%clk 0:32:15] } 44... Be7 { [%eval -1.15] [%clk 0:24:18] } 45. Re8 { [%eval -1.06] [%clk 0:32:19] } 45... b5?! { [%eval -0.5] } { Inaccuracy. f5 was best. } { [%clk 0:21:08] } 46. cxb5 { [%eval -0.8] [%clk 0:32:21] } 46... Bxb5 { [%eval -0.6] [%clk 0:21:29] } 47. Rb8?! { [%eval -1.19] } { Inaccuracy. Qb1+ was best. } { [%clk 0:32:03] } 47... Bd3 { [%eval -1.02] [%clk 0:21:12] } 48. a4 { [%eval -0.94] [%clk 0:26:04] } 48... c4?! { [%eval -0.43] } { Inaccuracy. Bc2 was best. } { [%clk 0:20:08] } 49. Rb7?? { [%eval -2.29] } { Blunder. Qd2 was best. } { [%clk 0:24:33] } 49... Bc2 { [%eval -2.0] [%clk 0:17:29] } 50. Bd2? { [%eval -3.41] } { Mistake. Qd2 was best. } { [%clk 0:10:11] } 50... f5?? { [%eval -1.31] } { Blunder. Bc5 was best. } { [%clk 0:10:56] } 51. a5?? { [%eval -3.5] } { Blunder. Qe1 was best. } { [%clk 0:07:21] } 51... Bxh4? { [%eval -2.04] } { Mistake. Bd8 was best. } { [%clk 0:06:17] } 52. Rb6?? { [%eval -5.02] } { Blunder. Bxh6 was best. } { [%clk 0:05:01] } 52... Qe2 { [%eval -4.25] [%clk 0:06:32] } 53. Bxh6 { [%eval -4.23] [%clk 0:04:22] } 53... Qf2+? { [%eval -2.12] } { Mistake. c3 was best. } { [%clk 0:04:52] } 54. Kh1 { [%eval -2.2] [%clk 0:04:18] } 54... Bd8?? { [%eval 0.0] } { Blunder. Bf6 was best. } { [%clk 0:04:39] } 55. Bg5?? { [%eval -2.3] } { Blunder. Qf4 was best. } { [%clk 0:00:46] } 55... Bxb6?! { [%eval -1.31] } { Inaccuracy. Bc7 was best. } { [%clk 0:04:54] } 56. axb6 { [%eval -1.03] [%clk 0:01:15] } 56... c3 { [%eval -1.16] [%clk 0:05:06] } 57. b7 { [%eval -1.21] [%clk 0:01:37] } 57... cxb2 { [%eval -1.08] [%clk 0:02:03] } 58. Qxb2 { [%eval -1.15] [%clk 0:02:05] } 58... Qe1+?! { [%eval -0.6] } { Inaccuracy. Qf1+ was best. } { [%clk 0:02:19] } 59. Kh2 { [%eval -0.52] [%clk 0:02:35] } 59... Qb4 { [%eval -0.02] [%clk 0:02:34] } 60. Bc1 { [%eval 0.0] [%clk 0:01:12] } 60... Kg6 { [%eval -0.02] [%clk 0:00:43] } 61. Kh3 { [%eval 0.0] [%clk 0:09:51] } 61... d3 { [%eval 0.0] [%clk 0:11:17] } 62. Qe5 { [%eval 0.0] [%clk 0:10:02] } 62... Qxb7 { [%eval 0.0] [%clk 0:10:34] } 63. Qe6+ { [%eval 0.0] [%clk 0:10:19] } 63... Kh7 { [%eval 0.0] [%clk 0:10:57] } 64. Qxf5+ { [%eval 0.0] [%clk 0:10:34] } 64... Kg8 { [%eval 0.0] [%clk 0:11:11] } 65. Qe6+ { [%eval 0.0] [%clk 0:09:31] } 65... Qf7 { [%eval 0.0] [%clk 0:10:36] } 66. Qd6 { [%eval -0.09] [%clk 0:06:17] } 66... Kh7 { [%eval 0.0] [%clk 0:05:48] } 67. Kh2 { [%eval 0.0] [%clk 0:06:46] } 67... Qf6 { [%eval -0.08] [%clk 0:02:45] } 68. Qb4 { [%eval -0.25] [%clk 0:06:23] } 68... b2 { [%eval 0.0] [%clk 0:01:15] } 69. Qe4+ { [%eval 0.0] [%clk 0:05:11] } 69... g6 { [%eval 0.0] [%clk 0:00:47] } 70. Qb7+ { [%eval 0.0] [%clk 0:05:27] } 70... Qg7 { [%eval 0.07] [%clk 0:00:53] } 71. Qxg7+ { [%eval 0.0] [%clk 0:05:51] } 71... Kxg7 { [%eval 0.0] [%clk 0:01:19] } 72. Bxb2+ { [%eval 0.0] [%clk 0:06:15] } 72... Kf7 { [%eval 0.0] [%clk 0:01:24] } 73. Bc3 { [%eval 0.07] [%clk 0:05:47] } 73... Ke6 { [%eval -0.03] [%clk 0:01:42] } 1/2-1/2