Event: Round 4: Matviishen, Viktor - Mohammad, Nubairshah Shaikh
Date: 2023-08-16
White: Matviishen, Viktor
WhiteTitle: GM
Black: Mohammad, Nubairshah Shaikh
BlackTitle: IM
Result: 1-0
ECO: D11
Opening: Slav Defense: Modern Line
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:29:58] } 1... d5 { [%eval 0.27] [%clk 1:11:22] } 2. c4 { [%eval 0.29] [%clk 1:30:18] } 2... c6 { [%eval 0.3] [%clk 1:11:51] } 3. Nf3 { [%eval 0.32] [%clk 1:29:27] } 3... Nf6 { [%eval 0.38] [%clk 1:12:18] } 4. Qb3 { [%eval 0.11] [%clk 1:29:41] } 4... dxc4 { [%eval 0.25] [%clk 1:12:40] } 5. Qxc4 { [%eval 0.29] [%clk 1:30:05] } 5... Bg4 { [%eval 0.36] [%clk 1:13:06] } 6. Nbd2 { [%eval 0.22] [%clk 1:30:25] } 6... Nbd7 { [%eval 0.23] [%clk 1:13:27] } 7. g3 { [%eval 0.16] [%clk 1:30:40] } 7... e6 { [%eval 0.36] [%clk 1:13:55] } 8. Bg2 { [%eval 0.06] [%clk 1:31:01] } 8... Be7 { [%eval 0.1] [%clk 1:14:20] } 9. O-O { [%eval 0.17] [%clk 1:31:10] } 9... O-O { [%eval 0.15] [%clk 1:14:47] } 10. Qb3 { [%eval 0.14] [%clk 1:31:31] } 10... Qb6 { [%eval 0.39] [%clk 1:15:16] } 11. Nc4 { [%eval 0.27] [%clk 1:31:48] } 11... Qa6 { [%eval 0.22] [%clk 1:15:44] } 12. Bd2 { [%eval 0.24] [%clk 1:30:57] } 12... Rac8 { [%eval 0.54] [%clk 1:10:41] } 13. Rfc1 { [%eval 0.47] [%clk 1:07:22] } 13... Bh5 { [%eval 0.66] [%clk 1:01:41] } 14. e3 { [%eval 0.65] [%clk 0:59:58] } 14... c5 { [%eval 0.9] [%clk 0:49:58] } 15. a4 { [%eval 0.98] [%clk 0:58:38] } 15... Ne4 { [%eval 0.9] [%clk 0:43:34] } 16. Be1 { [%eval 0.86] [%clk 0:57:31] } 16... cxd4 { [%eval 1.24] [%clk 0:42:30] } 17. Nxd4 { [%eval 1.19] [%clk 0:56:04] } 17... Nec5 { [%eval 1.47] [%clk 0:42:59] } 18. Qa3 { [%eval 1.53] [%clk 0:55:20] } 18... Bg6 { [%eval 2.13] [%clk 0:42:43] } 19. Bf1 { [%eval 2.29] [%clk 0:54:46] } 19... Rfd8 { [%eval 2.77] [%clk 0:22:19] } 20. b4 { [%eval 2.83] [%clk 0:48:25] } 20... Ne4 { [%eval 2.65] [%clk 0:22:32] } 21. Qb3 { [%eval 2.72] [%clk 0:48:47] } 21... Rxc4 { [%eval 3.19] [%clk 0:19:55] } 22. Bxc4 { [%eval 2.88] [%clk 0:47:27] } 22... Qd6 { [%eval 2.67] [%clk 0:20:23] } 23. Rd1 { [%eval 2.84] [%clk 0:47:35] } 23... Ne5 { [%eval 3.49] [%clk 0:18:23] } 24. Be2 { [%eval 3.55] [%clk 0:39:25] } 24... Qb8 { [%eval 3.42] [%clk 0:18:19] } 25. f3 { [%eval 3.17] [%clk 0:39:13] } 25... Nf6 { [%eval 3.31] [%clk 0:18:32] } 26. b5 { [%eval 2.84] [%clk 0:36:05] } 26... h5 { [%eval 2.89] [%clk 0:18:30] } 27. Bb4 { [%eval 2.33] [%clk 0:31:32] } 27... Bxb4 { [%eval 2.54] [%clk 0:18:15] } 28. Qxb4 { [%eval 2.45] [%clk 0:32:00] } 28... h4 { [%eval 2.37] [%clk 0:18:34] } 29. g4 { [%eval 2.83] [%clk 0:29:42] } 29... Bd3 { [%eval 2.86] [%clk 0:16:04] } 30. Qe1?! { [%eval 1.64] } { Inaccuracy. Rxd3 was best. } { [%clk 0:29:44] } 30... g5 { [%eval 1.48] [%clk 0:10:17] } 31. Qf2 { [%eval 1.25] [%clk 0:26:14] } 31... Bxe2 { [%eval 1.36] [%clk 0:07:56] } 32. Qxe2 { [%eval 1.38] [%clk 0:26:43] } 32... Qc7 { [%eval 1.73] [%clk 0:08:23] } 33. Rac1 { [%eval 1.69] [%clk 0:21:45] } 33... Qa5?! { [%eval 2.59] } { Inaccuracy. Qe7 was best. } { [%clk 0:08:16] } 34. f4 { [%eval 2.81] [%clk 0:20:31] } 34... gxf4 { [%eval 2.73] [%clk 0:08:13] } 35. exf4 { [%eval 2.86] [%clk 0:20:57] } 35... Nexg4 { [%eval 2.75] [%clk 0:08:38] } 36. h3 { [%eval 3.17] [%clk 0:18:38] } 36... Nh6 { [%eval 3.65] [%clk 0:04:57] } 37. Qe5 { [%eval 3.03] [%clk 0:17:50] } 37... Nh7? { [%eval 5.76] } { Mistake. Nd7 was best. } { [%clk 0:05:05] } 38. Kh1 { [%eval 5.63] [%clk 0:16:47] } 38... Qxa4?? { [%eval #9] } { Checkmate is now unavoidable. Kf8 was best. } { [%clk 0:05:03] } 39. Rg1+ { [%eval #8] [%clk 0:16:41] } 39... Kf8 { [%eval #8] [%clk 0:05:31] } 40. Nxe6+ { [%eval #7] [%clk 0:13:39] } 40... fxe6 { [%eval #7] [%clk 0:06:00] } 41. Qh8+ { [%eval #6] [%clk 0:13:46] } 41... Ke7 { [%eval #6] [%clk 0:06:17] } 42. Rc7+ { [%eval #5] [%clk 0:14:02] } 42... Rd7 { [%eval #5] [%clk 0:06:37] } 43. Qxh7+? { [%eval 8.04] } { Lost forced checkmate sequence. Rg7+ was best. } { [%clk 0:14:16] } 43... Nf7 { [%eval 8.68] [%clk 0:07:02] } 44. Rxd7+ { [%eval 10.35] [%clk 0:14:43] } 1-0