Event: SonFlow Cup
Date: 2025-05-03
White: Matthiesen, Martin
WhiteTitle: FM
WhiteElo: 2322
Black: Korneev, Oleg
BlackTitle: GM
BlackElo: 2470
Result: 1/2-1/2
ECO: D43
Opening: Semi-Slav Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... d5 { [%eval 0.2] [%clk 1:13:47] } 2. c4 { [%eval 0.26] [%clk 1:31:20] } 2... c6 { [%eval 0.21] [%clk 1:11:06] } 3. Nc3 { [%eval 0.17] [%clk 1:29:30] } 3... Nf6 { [%eval 0.2] [%clk 1:09:50] } 4. Nf3 { [%eval 0.16] [%clk 1:29:41] } 4... e6 { [%eval 0.12] [%clk 1:10:17] } 5. Bg5 { [%eval 0.1] [%clk 1:28:54] } 5... h6 { [%eval 0.14] [%clk 1:10:42] } 6. Bxf6 { [%eval 0.08] [%clk 1:28:38] } 6... Qxf6 { [%eval 0.0] [%clk 1:10:57] } 7. e3 { [%eval 0.19] [%clk 1:28:58] } 7... Nd7 { [%eval 0.25] [%clk 1:11:14] } 8. Rc1 { [%eval 0.1] [%clk 1:25:41] } 8... g6 { [%eval 0.12] [%clk 1:08:26] } 9. Bd3 { [%eval 0.04] [%clk 1:19:52] } 9... Bg7 { [%eval 0.1] [%clk 1:00:43] } 10. O-O { [%eval -0.02] [%clk 1:11:36] } 10... O-O { [%eval 0.1] [%clk 0:59:40] } 11. e4 { [%eval -0.07] [%clk 0:54:43] } 11... dxc4 { [%eval -0.06] [%clk 1:00:00] } 12. e5 { [%eval -0.04] [%clk 0:50:40] } 12... Qe7 { [%eval -0.03] [%clk 1:00:22] } 13. Bxc4 { [%eval 0.02] [%clk 0:51:04] } 13... Rd8 { [%eval 0.27] [%clk 1:00:41] } 14. Qe2 { [%eval 0.33] [%clk 0:49:55] } 14... Rb8 { [%eval 0.33] [%clk 0:35:27] } 15. Ne4 { [%eval 0.05] [%clk 0:42:21] } 15... b6 { [%eval 0.09] [%clk 0:24:50] } 16. Ba6 { [%eval -0.12] [%clk 0:33:41] } 16... c5 { [%eval 0.0] [%clk 0:22:43] } 17. Bxc8 { [%eval 0.0] [%clk 0:31:34] } 17... Rbxc8 { [%eval 0.0] [%clk 0:22:43] } 18. Nd6 { [%eval 0.0] [%clk 0:16:34] } 18... Ra8 { [%eval 0.04] [%clk 0:20:20] } 19. Qe4 { [%eval -0.15] [%clk 0:12:09] } 19... cxd4 { [%eval -0.14] [%clk 0:18:18] } 20. Rc7 { [%eval -0.2] [%clk 0:03:22] } 20... Qf8 { [%eval -0.11] [%clk 0:18:34] } 21. Nb5? { [%eval -1.67] } { Mistake. Rc6 was best. } { [%clk 0:03:26] } 21... Nxe5 { [%eval -1.56] [%clk 0:13:41] } 22. Nxe5 { [%eval -1.62] [%clk 0:01:55] } 22... Bxe5 { [%eval -1.71] [%clk 0:14:03] } 23. Qxe5 { [%eval -1.56] [%clk 0:01:05] } 23... Rd5 { [%eval -1.69] [%clk 0:14:27] } 24. Qe2 { [%eval -1.67] [%clk 0:01:33] } 24... d3 { [%eval -1.69] [%clk 0:14:51] } 25. Qf3 { [%eval -1.62] [%clk 0:01:59] } 25... Rxb5 { [%eval -1.61] [%clk 0:15:10] } 26. Qxd3 { [%eval -1.68] [%clk 0:00:59] } 26... Rxb2 { [%eval -1.85] [%clk 0:11:52] } 27. Qc4?! { [%eval -3.1] } { Inaccuracy. Qf3 was best. } { [%clk 0:00:38] } 27... Qb4? { [%eval -1.49] } { Mistake. a5 was best. } { [%clk 0:02:34] } 28. Qc6 { [%eval -1.2] [%clk 0:00:46] } 28... Rf8?! { [%eval -0.41] } { Inaccuracy. Qf8 was best. } { [%clk 0:02:41] } 29. Rxa7 { [%eval -0.45] [%clk 0:01:07] } 29... Rb1 { [%eval -0.31] [%clk 0:02:43] } 30. g3 { [%eval -0.1] [%clk 0:01:10] } 30... Qb5 { [%eval -0.09] [%clk 0:02:47] } 31. Qxb5 { [%eval -0.22] [%clk 0:01:27] } 31... Rxb5 { [%eval -0.23] [%clk 0:03:15] } 32. Rd1 { [%eval -0.21] [%clk 0:00:34] } 32... Rc8 { [%eval -0.02] [%clk 0:03:34] } 33. Rdd7 { [%eval 0.0] [%clk 0:00:40] } 33... Rf5 { [%eval 0.0] [%clk 0:03:53] } 34. Rd2 { [%eval -0.07] [%clk 0:00:56] } 34... g5 { [%eval -0.03] [%clk 0:03:52] } 35. Ra6 { [%eval -0.21] [%clk 0:01:12] } 35... b5 { [%eval -0.04] [%clk 0:01:18] } 36. Rb2 { [%eval -0.2] [%clk 0:01:27] } 36... g4 { [%eval 0.0] [%clk 0:00:57] } 37. a4 { [%eval -0.14] [%clk 0:00:44] } 37... Rd5 { [%eval -0.13] [%clk 0:00:33] } 38. axb5 { [%eval -0.24] [%clk 0:00:35] } 38... Rc1+ { [%eval -0.18] [%clk 0:00:59] } 39. Kg2 { [%eval -0.2] [%clk 0:01:02] } 39... Rdd1 { [%eval -0.18] [%clk 0:01:25] } 40. f3 { [%eval -0.24] [%clk 0:00:36] } 40... Rg1+ { [%eval -0.26] [%clk 0:01:25] } 41. Kf2 { [%eval -0.33] [%clk 0:00:59] } 41... Rgf1+ { [%eval -0.26] [%clk 0:30:01] } 42. Ke3 { [%eval -0.25] [%clk 0:27:01] } 42... Rfe1+ { [%eval 0.0] [%clk 0:24:54] } 43. Kf2 { [%eval -0.24] [%clk 0:22:56] } 43... Rf1+ { [%eval -0.25] [%clk 0:25:19] } 44. Ke3 { [%eval -0.38] [%clk 0:23:21] } 44... Rfe1+ { [%eval 0.0] [%clk 0:25:34] } 45. Kf2 { [%eval 0.0] [%clk 0:23:26] } 45... Rf1+ { [%eval 0.0] [%clk 0:25:58] } 1/2-1/2