Event: Round 1: Dmitry Berdinskikh - Alexey Polschikov
Date: 2023-07-29
White: Dmitry Berdinskikh
Black: Alexey Polschikov
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 0:15:17] } 1... c5 { [%eval 0.32] [%clk 0:15:17] } 2. Nf3 { [%eval 0.0] [%clk 0:15:26] } 2... d6 { [%eval 0.0] [%clk 0:15:25] } 3. d4 { [%eval 0.25] [%clk 0:15:34] } 3... cxd4 { [%eval 0.13] [%clk 0:15:33] } 4. Nxd4 { [%eval 0.27] [%clk 0:15:42] } 4... Nf6 { [%eval 0.3] [%clk 0:15:41] } 5. Nc3 { [%eval 0.21] [%clk 0:15:50] } 5... a6 { [%eval 0.39] [%clk 0:15:48] } 6. f3 { [%eval 0.33] [%clk 0:15:58] } 6... e5 { [%eval 0.39] [%clk 0:15:53] } 7. Nb3 { [%eval 0.26] [%clk 0:16:07] } 7... Be6 { [%eval 0.25] [%clk 0:15:52] } 8. Be3 { [%eval 0.45] [%clk 0:16:14] } 8... h5 { [%eval 0.35] [%clk 0:15:59] } 9. Qd2 { [%eval 0.51] [%clk 0:16:18] } 9... Nbd7 { [%eval 0.25] [%clk 0:16:03] } 10. O-O-O { [%eval 0.24] [%clk 0:16:22] } 10... Be7 { [%eval 0.22] [%clk 0:15:46] } 11. h3 { [%eval 0.04] [%clk 0:16:29] } 11... Rc8 { [%eval 0.12] [%clk 0:15:18] } 12. f4 { [%eval 0.05] [%clk 0:16:06] } 12... b5 { [%eval 0.4] [%clk 0:15:10] } 13. Bd3 { [%eval 0.38] [%clk 0:15:39] } 13... b4 { [%eval 0.35] [%clk 0:14:42] } 14. Na4 { [%eval 0.04] [%clk 0:15:29] } 14... a5?! { [%eval 0.82] } { Inaccuracy. Qc7 was best. } { [%clk 0:13:34] } 15. Qe2?! { [%eval 0.1] } { Inaccuracy. g4 was best. } { [%clk 0:14:04] } 15... Qc7 { [%eval 0.02] [%clk 0:12:16] } 16. Kb1 { [%eval 0.02] [%clk 0:13:51] } 16... h4 { [%eval -0.09] [%clk 0:10:49] } 17. f5 { [%eval -0.54] [%clk 0:13:30] } 17... Bc4 { [%eval -0.29] [%clk 0:10:58] } 18. Qf2?? { [%eval -2.06] } { Blunder. Bxc4 was best. } { [%clk 0:12:58] } 18... Rb8?? { [%eval -0.26] } { Blunder. Bxd3 was best. } { [%clk 0:09:03] } 19. Nd2 { [%eval -0.24] [%clk 0:10:30] } 19... Bb5 { [%eval 0.17] [%clk 0:07:41] } 20. Bxb5 { [%eval 0.21] [%clk 0:09:44] } 20... Rxb5 { [%eval 0.13] [%clk 0:07:50] } 21. Qe2 { [%eval 0.31] [%clk 0:09:21] } 21... Qc6 { [%eval 0.0] [%clk 0:07:34] } 22. b3 { [%eval 0.21] [%clk 0:09:18] } 22... Rh5?! { [%eval 1.12] } { Inaccuracy. Rb7 was best. } { [%clk 0:04:08] } 23. Nc4 { [%eval 1.37] [%clk 0:05:19] } 23... Rb8 { [%eval 1.5] [%clk 0:02:51] } 24. Rhe1 { [%eval 1.54] [%clk 0:04:16] } 24... Qxe4 { [%eval 1.31] [%clk 0:02:40] } 25. Qd2? { [%eval -0.07] } { Mistake. Nxd6+ was best. } { [%clk 0:04:25] } 25... Qc6 { [%eval -0.27] [%clk 0:02:20] } 26. Nxa5?? { [%eval -3.27] } { Blunder. Nxd6+ was best. } { [%clk 0:03:48] } 26... Qb5? { [%eval -1.69] } { Mistake. Qc7 was best. } { [%clk 0:02:27] } 27. Nc4 { [%eval -1.74] [%clk 0:03:47] } 27... d5 { [%eval -1.54] [%clk 0:02:32] } 28. Ncb2 { [%eval -1.62] [%clk 0:03:40] } 28... Rxf5?! { [%eval -0.84] } { Inaccuracy. Qc6 was best. } { [%clk 0:01:57] } 29. Bg1?? { [%eval -4.01] } { Blunder. c4 was best. } { [%clk 0:03:05] } 29... Qc6 { [%eval -4.0] [%clk 0:01:46] } 30. Bh2 { [%eval -4.68] [%clk 0:02:56] } 30... Rc8 { [%eval -4.74] [%clk 0:01:47] } 31. Re2 { [%eval -5.0] [%clk 0:02:55] } 31... Kf8 { [%eval -4.87] [%clk 0:01:45] } 32. Qd3 { [%eval -5.72] [%clk 0:02:56] } 32... e4 { [%eval -6.16] [%clk 0:01:23] } 33. Qe3 { [%eval -6.7] [%clk 0:02:10] } 33... Kg8 { [%eval -5.9] [%clk 0:01:32] } 34. Qd2 { [%eval -6.25] [%clk 0:01:12] } 34... Nf8 { [%eval -6.82] [%clk 0:01:38] } 35. Bf4 { [%eval -7.41] [%clk 0:01:13] } 35... Ne6 { [%eval -7.81] [%clk 0:01:45] } 36. Be3 { [%eval -8.29] [%clk 0:01:22] } 36... d4 { [%eval -6.4] [%clk 0:01:50] } 37. Bxd4 { [%eval -6.37] [%clk 0:01:29] } 37... Rd5? { [%eval -3.91] } { Mistake. Rd8 was best. } { [%clk 0:01:41] } 38. Qe3 { [%eval -4.26] [%clk 0:01:37] } 38... Nxd4 { [%eval -3.5] [%clk 0:01:08] } 39. Rxd4 { [%eval -3.43] [%clk 0:01:46] } 39... Rxd4 { [%eval -3.37] [%clk 0:01:17] } 40. Qxd4 { [%eval -3.42] } 40... Rd8 { [%eval -3.08] } 41. Qb6?! { [%eval -3.96] } { Inaccuracy. Qe5 was best. } { [%clk 0:01:35] } 41... Qd5 { [%eval -3.88] [%clk 0:01:26] } 42. c4 { [%eval -3.85] [%clk 0:01:22] } 42... bxc3 { [%eval -3.43] [%clk 0:01:12] } 43. Nxc3 { [%eval -3.4] [%clk 0:01:29] } 43... Qf5 { [%eval -3.46] [%clk 0:01:21] } 44. Qe3?! { [%eval -5.32] } { Inaccuracy. Rf2 was best. } { [%clk 0:01:18] } 44... Bc5 { [%eval -5.11] [%clk 0:01:28] } 45. Qc1 { [%eval -5.23] [%clk 0:01:27] } 45... Bb4?! { [%eval -3.54] } { Inaccuracy. Bd4 was best. } { [%clk 0:01:14] } 46. Ncd1? { [%eval -5.67] } { Mistake. Nbd1 was best. } { [%clk 0:01:27] } 46... Nd5 { [%eval -5.03] [%clk 0:01:06] } 47. Nc4?! { [%eval -7.51] } { Inaccuracy. Rc2 was best. } { [%clk 0:01:19] } 47... Nf4? { [%eval -4.39] } { Mistake. e3+ was best. } { [%clk 0:01:06] } 48. Re3? { [%eval -8.9] } { Mistake. Rc2 was best. } { [%clk 0:01:13] } 48... Bc5 { [%eval -6.93] [%clk 0:01:09] } 49. Rc3?! { [%eval -10.3] } { Inaccuracy. Qc2 was best. } { [%clk 0:01:11] } 49... Ne2 { [%eval -8.07] [%clk 0:01:17] } 0-1