Event: Round 4: Aaron Ren - Lev Shangin
Date: 2023-05-13
White: Aaron Ren
Black: Lev Shangin
Result: 1/2-1/2
ECO: B43
Opening: Sicilian Defense: Kan Variation, Knight Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:00] } 1... c5 { [%eval 0.32] [%clk 1:29:46] } 2. Nf3 { [%eval 0.0] [%clk 1:30:00] } 2... e6 { [%eval 0.34] [%clk 1:29:01] } 3. d4 { [%eval 0.42] [%clk 1:30:00] } 3... cxd4 { [%eval 0.37] [%clk 1:28:48] } 4. Nxd4 { [%eval 0.4] [%clk 1:30:00] } 4... a6 { [%eval 0.58] [%clk 1:28:33] } 5. Nc3 { [%eval 0.37] [%clk 1:29:45] } 5... Qc7 { [%eval 0.24] [%clk 1:28:04] } 6. Be3 { [%eval 0.0] [%clk 1:29:09] } 6... Nf6 { [%eval 0.0] [%clk 1:27:57] } 7. Be2 { [%eval -0.3] [%clk 1:28:37] } 7... Bb4 { [%eval -0.24] [%clk 1:27:23] } 8. Qd3? { [%eval -1.37] } { Mistake. O-O was best. } { [%clk 1:26:47] } 8... Bxc3+? { [%eval -0.09] } { Mistake. Nxe4 was best. } { [%clk 1:26:35] } 9. bxc3 { [%eval -0.08] [%clk 1:26:44] } 9... Nxe4 { [%eval 0.0] [%clk 1:24:12] } 10. Bd2?? { [%eval -1.87] } { Blunder. c4 was best. } { [%clk 1:23:47] } 10... Nxd2 { [%eval -1.82] [%clk 1:23:52] } 11. Qxd2 { [%eval -1.83] [%clk 1:23:47] } 11... O-O { [%eval -1.72] [%clk 1:22:29] } 12. O-O { [%eval -1.73] [%clk 1:23:43] } 12... d5 { [%eval -1.88] [%clk 1:22:07] } 13. Rfd1 { [%eval -1.88] [%clk 1:22:25] } 13... b5? { [%eval -0.56] } { Mistake. Bd7 was best. } { [%clk 1:21:20] } 14. a4 { [%eval -0.58] [%clk 1:20:14] } 14... bxa4 { [%eval -0.57] [%clk 1:19:54] } 15. Rxa4 { [%eval -0.93] [%clk 1:20:11] } 15... Bd7 { [%eval -1.0] [%clk 1:19:29] } 16. Ra2 { [%eval -1.27] [%clk 1:19:06] } 16... Rc8 { [%eval -1.45] [%clk 1:18:46] } 17. Ra3 { [%eval -1.46] [%clk 1:18:13] } 17... a5 { [%eval -1.19] [%clk 1:16:51] } 18. Rda1 { [%eval -1.73] [%clk 1:16:46] } 18... Qc5 { [%eval -1.47] [%clk 1:14:56] } 19. c4 { [%eval -1.43] [%clk 1:13:06] } 19... dxc4 { [%eval -1.59] [%clk 1:13:34] } 20. Rxa5?? { [%eval -4.87] } { Blunder. Bf3 was best. } { [%clk 1:13:04] } 20... Rxa5?? { [%eval -0.45] } { Blunder. c3 was best. } { [%clk 1:13:19] } 21. Rxa5 { [%eval -0.47] [%clk 1:13:04] } 21... Qb6 { [%eval -0.55] [%clk 1:11:09] } 22. Ra1 { [%eval -0.6] [%clk 1:11:44] } 22... e5 { [%eval -0.34] [%clk 1:09:35] } 23. Nf3 { [%eval -0.5] [%clk 1:10:28] } 23... f6 { [%eval -0.28] [%clk 1:08:55] } 24. Rd1 { [%eval -0.64] [%clk 1:09:00] } 24... Be6 { [%eval -0.75] [%clk 1:08:29] } 25. c3 { [%eval -0.6] [%clk 1:07:22] } 25... Nd7 { [%eval -0.65] [%clk 1:07:39] } 26. Qa2 { [%eval -0.98] [%clk 1:04:37] } 26... Qb3 { [%eval -1.21] [%clk 1:04:44] } 27. Qa1 { [%eval -1.16] [%clk 1:00:34] } 27... Qb7?! { [%eval -0.47] } { Inaccuracy. Nc5 was best. } { [%clk 1:00:48] } 28. Qa3 { [%eval -0.9] [%clk 0:58:19] } 28... Nc5 { [%eval -0.73] [%clk 0:59:42] } 29. Nd2 { [%eval -0.73] [%clk 0:57:03] } 29... Nb3 { [%eval -0.25] [%clk 0:55:32] } 30. Rb1 { [%eval -0.57] [%clk 0:42:44] } 30... Ra8 { [%eval -0.17] [%clk 0:53:17] } 31. Qb2 { [%eval -0.67] [%clk 0:41:51] } 31... Qc7 { [%eval -0.47] [%clk 0:51:42] } 32. g3 { [%eval -0.85] [%clk 0:38:30] } 32... Nxd2 { [%eval -0.68] [%clk 0:50:55] } 33. Qxd2 { [%eval -0.65] [%clk 0:38:30] } 33... Rd8 { [%eval -0.44] [%clk 0:50:39] } 34. Qa2 { [%eval -0.49] [%clk 0:37:24] } 34... Qc6 { [%eval -0.55] [%clk 0:47:15] } 35. Bf1?! { [%eval -1.22] } { Inaccuracy. Qa7 was best. } { [%clk 0:35:12] } 35... Bd5 { [%eval -0.7] [%clk 0:45:33] } 36. Rd1 { [%eval -0.72] [%clk 0:33:53] } 36... Ra8 { [%eval -0.78] [%clk 0:43:58] } 37. Qb2 { [%eval -0.86] [%clk 0:32:28] } 37... Bf3 { [%eval -0.62] [%clk 0:43:29] } 38. Ra1 { [%eval -0.59] [%clk 0:31:33] } 38... Rxa1 { [%eval -0.61] [%clk 0:42:24] } 39. Qxa1 { [%eval -0.61] [%clk 0:31:33] } 39... Bd5 { [%eval -0.47] [%clk 0:41:58] } 40. Qb2 { [%eval -0.7] [%clk 0:31:23] } 40... Qc7?! { [%eval 0.0] } { Inaccuracy. g5 was best. } { [%clk 0:41:22] } 41. Qb5 { [%eval 0.0] [%clk 0:31:15] } 41... Qc6 { [%eval 0.0] [%clk 0:40:04] } 42. Qxc6 { [%eval 0.0] [%clk 0:31:00] } 42... Bxc6 { [%eval 0.0] [%clk 0:40:04] } 43. Bxc4+ { [%eval 0.0] [%clk 0:31:00] } 43... Kf8 { [%eval 0.0] [%clk 0:40:04] } 44. Kf1 { [%eval 0.0] [%clk 0:30:58] } 44... Ke7 { [%eval 0.0] [%clk 0:40:04] } 45. Ke2 { [%eval 0.0] [%clk 0:30:51] } 45... Kd6 { [%eval 0.0] [%clk 0:40:04] } 46. Kd3 { [%eval 0.0] [%clk 0:30:31] } 46... Kc5 { [%eval 0.0] [%clk 0:39:46] } 47. Bg8 { [%eval 0.0] [%clk 0:30:11] } 47... h6 { [%eval 0.0] [%clk 0:39:24] } 48. Bh7 { [%eval 0.0] [%clk 0:30:11] } 48... Bd7 { [%eval 0.0] [%clk 0:38:50] } 49. Bg6 { [%eval 0.0] [%clk 0:29:33] } 49... f5 { [%eval 0.0] [%clk 0:37:53] } 50. Bf7 { [%eval 0.0] [%clk 0:29:25] } 50... Bb5+ { [%eval 0.0] [%clk 0:37:08] } 51. Ke3 { [%eval 0.0] [%clk 0:28:55] } 51... Bc4 { [%eval 0.0] [%clk 0:36:43] } 52. Bg6 { [%eval 0.0] [%clk 0:28:31] } 52... Be6 { [%eval 0.0] [%clk 0:36:34] } 53. Bh5 { [%eval 0.0] [%clk 0:28:15] } 53... g5 { [%eval 0.0] [%clk 0:36:04] } 54. Be2 { [%eval 0.0] [%clk 0:27:24] } 54... Bc4 { [%eval 0.0] [%clk 0:35:32] } 55. Bd1 { [%eval -0.07] [%clk 0:27:14] } 55... Be6 { [%eval 0.0] [%clk 0:35:19] } 56. Be2 { [%eval -0.04] [%clk 0:27:14] } 56... Kd5 { [%eval -0.11] } 1/2-1/2