Event: Round 15: Viktor Matviishen - Aleksey Sorokin
Date: 2022-08-07
White: Viktor Matviishen
WhiteTitle: IM
Black: Aleksey Sorokin
BlackTitle: GM
Result: 0-1
ECO: A07
Opening: King's Indian Attack: Double Fianchetto
Variant: Standard

1. Nf3 { [%eval 0.25] [%clk 1:40:58] } 1... d5 { [%eval 0.34] [%clk 1:39:01] } 2. g3 { [%eval 0.12] [%clk 1:40:15] } 2... g6 { [%eval 0.32] [%clk 1:38:09] } 3. Bg2 { [%eval 0.16] [%clk 1:39:55] } 3... Bg7 { [%eval 0.19] [%clk 1:38:19] } 4. O-O { [%eval 0.1] [%clk 1:34:12] } 4... c5 { [%eval 0.51] [%clk 1:37:15] } 5. d3 { [%eval 0.0] [%clk 1:33:03] } 5... Nf6 { [%eval 0.12] [%clk 1:37:19] } 6. Nbd2?! { [%eval -0.44] } { Inaccuracy. c4 was best. } { [%clk 1:33:13] } 6... Nc6 { [%eval 0.0] [%clk 1:37:06] } 7. e4 { [%eval -0.02] [%clk 1:33:02] } 7... O-O { [%eval 0.0] [%clk 1:35:49] } 8. c3 { [%eval -0.39] [%clk 1:29:03] } 8... e6?! { [%eval 0.41] } { Inaccuracy. d4 was best. } { [%clk 1:32:30] } 9. Re1 { [%eval 0.49] [%clk 1:28:36] } 9... a5 { [%eval 0.4] [%clk 1:31:16] } 10. e5 { [%eval -0.01] [%clk 1:24:23] } 10... Nd7 { [%eval -0.11] [%clk 1:30:15] } 11. d4 { [%eval -0.48] [%clk 1:24:48] } 11... cxd4 { [%eval -0.47] [%clk 1:30:37] } 12. cxd4 { [%eval -0.18] [%clk 1:25:14] } 12... f6 { [%eval 0.04] [%clk 1:30:59] } 13. Bh3?! { [%eval -0.63] } { Inaccuracy. exf6 was best. } { [%clk 1:18:18] } 13... fxe5 { [%eval -0.49] [%clk 1:29:21] } 14. Bxe6+ { [%eval -0.46] [%clk 1:18:41] } 14... Kh8 { [%eval -0.31] [%clk 1:29:44] } 15. Bxd5 { [%eval -0.48] [%clk 0:53:19] } 15... exd4 { [%eval -0.35] [%clk 1:25:24] } 16. Bxc6 { [%eval -0.5] [%clk 0:48:21] } 16... bxc6 { [%eval -0.18] [%clk 1:25:04] } 17. Nc4 { [%eval -0.35] [%clk 0:48:44] } 17... c5 { [%eval -0.4] [%clk 1:17:39] } 18. Bg5 { [%eval -0.8] [%clk 0:47:47] } 18... Nf6 { [%eval -0.52] [%clk 1:13:23] } 19. Qb3?? { [%eval -2.92] } { Blunder. Nfe5 was best. } { [%clk 0:47:30] } 19... a4 { [%eval -2.77] [%clk 1:07:29] } 20. Qb6 { [%eval -3.37] [%clk 0:28:42] } 20... Qd5 { [%eval -3.45] [%clk 1:05:39] } 21. Ncd2 { [%eval -3.16] [%clk 0:29:08] } 21... Bb7 { [%eval -3.43] [%clk 0:58:37] } 22. Bf4 { [%eval -3.69] [%clk 0:22:56] } 22... g5?? { [%eval -1.54] } { Blunder. Nd7 was best. } { [%clk 0:53:51] } 23. Re5 { [%eval -1.16] [%clk 0:22:49] } 23... gxf4?? { [%eval 2.47] } { Blunder. Ra6 was best. } { [%clk 0:49:02] } 24. Rxd5 { [%eval 2.23] [%clk 0:23:14] } 24... Bxd5 { [%eval 2.35] [%clk 0:49:24] } 25. Re1? { [%eval 0.63] } { Mistake. Qxc5 was best. } { [%clk 0:19:37] } 25... fxg3?! { [%eval 1.51] } { Inaccuracy. c4 was best. } { [%clk 0:45:46] } 26. hxg3 { [%eval 1.29] [%clk 0:19:59] } 26... Ng4 { [%eval 1.37] [%clk 0:44:20] } 27. Re7 { [%eval 1.11] [%clk 0:19:44] } 27... Rxf3 { [%eval 1.89] [%clk 0:43:23] } 28. Nxf3 { [%eval 1.27] [%clk 0:19:12] } 28... Bxf3 { [%eval 1.41] [%clk 0:43:47] } 29. Rd7? { [%eval 0.0] } { Mistake. Qxc5 was best. } { [%clk 0:09:51] } 29... Nf6 { [%eval 0.0] [%clk 0:43:08] } 30. Rf7?! { [%eval -0.67] } { Inaccuracy. Rd8+ was best. } { [%clk 0:06:30] } 30... Re8 { [%eval -0.69] [%clk 0:41:10] } 31. Kf1 { [%eval -0.44] [%clk 0:06:55] } 31... d3 { [%eval -0.67] [%clk 0:39:41] } 32. Qd6 { [%eval -0.54] [%clk 0:06:30] } 32... Bh5 { [%eval -0.94] [%clk 0:36:50] } 33. Rc7?! { [%eval -1.75] } { Inaccuracy. Re7 was best. } { [%clk 0:04:52] } 33... Bg6?! { [%eval -0.77] } { Inaccuracy. Be2+ was best. } { [%clk 0:35:37] } 34. f3 { [%eval -0.33] [%clk 0:05:08] } 34... Rf8 { [%eval -0.44] [%clk 0:32:50] } 35. Qe7 { [%eval -0.82] [%clk 0:04:27] } 35... Ne8 { [%eval -0.6] [%clk 0:32:23] } 36. Rxc5 { [%eval -0.92] [%clk 0:04:47] } 36... Rxf3+ { [%eval -0.87] [%clk 0:31:07] } 37. Kg2 { [%eval -0.63] [%clk 0:04:16] } 37... Rf8 { [%eval -0.87] [%clk 0:31:27] } 38. b4?? { [%eval -2.8] } { Blunder. Rc8 was best. } { [%clk 0:02:36] } 38... axb3 { [%eval -3.17] [%clk 0:31:31] } 39. axb3 { [%eval -3.42] [%clk 0:03:06] } 39... Nf6 { [%eval -3.32] [%clk 0:31:35] } 40. Rc7 { [%eval -3.23] [%clk 0:03:31] } 40... Rg8 { [%eval -3.36] [%clk 0:31:40] } 41. Qe1 { [%eval -3.25] [%clk 0:25:39] } 41... Re8 { [%eval -2.54] [%clk 0:59:29] } 42. Qc3? { [%eval -4.38] } { Mistake. Qa5 was best. } { [%clk 0:25:19] } 42... Re2+ { [%eval -4.37] [%clk 0:57:56] } 43. Kf1 { [%eval -4.32] [%clk 0:25:41] } 43... Ne8?! { [%eval -3.36] } { Inaccuracy. Rf2+ was best. } { [%clk 0:51:25] } 44. Rxg7 { [%eval -3.44] [%clk 0:25:33] } 44... Nxg7 { [%eval -2.96] [%clk 0:50:59] } 45. b4? { [%eval -5.25] } { Mistake. Qf6 was best. } { [%clk 0:25:59] } 45... h6 { [%eval -4.7] [%clk 0:50:34] } 46. b5?! { [%eval -6.23] } { Inaccuracy. Qf6 was best. } { [%clk 0:26:20] } 46... Rc2 { [%eval -5.79] [%clk 0:50:39] } 47. Qd4 { [%eval -5.77] [%clk 0:25:22] } 47... Rc1+ { [%eval -5.89] [%clk 0:50:54] } 48. Kf2 { [%eval -5.97] [%clk 0:25:40] } 48... d2 { [%eval -6.01] [%clk 0:51:16] } 49. Qxd2 { [%eval -6.08] [%clk 0:25:35] } 49... Rc2 { [%eval -6.37] [%clk 0:51:41] } 50. Qxc2 { [%eval -6.05] [%clk 0:26:00] } 50... Bxc2 { [%eval -6.26] [%clk 0:52:08] } 51. Ke3 { [%eval -6.81] [%clk 0:26:22] } 51... Ba4 { [%eval -6.79] [%clk 0:52:33] } 52. Kd4?! { [%eval -63.04] } { Inaccuracy. b6 was best. } 0-1