Event: Round 4: Diao, Matthew Guo - Senft, Sean
Date: 2025-02-15
White: Diao, Matthew Guo
WhiteElo: 2176
Black: Senft, Sean
BlackElo: 2054
Result: 1/2-1/2
ECO: D49
Opening: Semi-Slav Defense: Meran Variation, Blumenfeld Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:24:54] } 1... d5 { [%eval 0.24] [%clk 1:30:43] } 2. c4 { [%eval 0.26] [%clk 1:25:10] } 2... e6 { [%eval 0.27] [%clk 1:30:54] } 3. Nc3 { [%eval 0.18] [%clk 1:25:26] } 3... Nf6 { [%eval 0.24] [%clk 1:31:07] } 4. Nf3 { [%eval 0.1] [%clk 1:25:41] } 4... c6 { [%eval 0.19] [%clk 1:31:07] } 5. e3 { [%eval 0.13] [%clk 1:25:53] } 5... Nbd7 { [%eval 0.25] [%clk 1:31:09] } 6. Bd3 { [%eval 0.1] [%clk 1:25:48] } 6... dxc4 { [%eval 0.19] [%clk 1:31:00] } 7. Bxc4 { [%eval 0.15] [%clk 1:26:11] } 7... b5 { [%eval 0.03] [%clk 1:31:20] } 8. Bd3 { [%eval 0.22] [%clk 1:26:32] } 8... a6 { [%eval 0.22] [%clk 1:31:03] } 9. e4 { [%eval 0.28] [%clk 1:26:30] } 9... c5 { [%eval 0.39] [%clk 1:31:04] } 10. e5 { [%eval 0.33] [%clk 1:26:25] } 10... cxd4 { [%eval 0.22] [%clk 1:31:06] } 11. Nxb5 { [%eval 0.18] [%clk 1:26:33] } 11... axb5 { [%eval 0.27] [%clk 1:31:17] } 12. exf6 { [%eval 0.31] [%clk 1:26:58] } 12... gxf6 { [%eval 0.24] [%clk 1:31:08] } 13. O-O { [%eval 0.29] [%clk 1:27:15] } 13... Qb6 { [%eval 0.24] [%clk 1:31:07] } 14. Qe2 { [%eval 0.27] [%clk 1:27:31] } 14... b4 { [%eval 0.27] [%clk 1:31:02] } 15. Rd1 { [%eval 0.22] [%clk 1:27:41] } 15... Bc5 { [%eval 0.3] [%clk 1:30:48] } 16. a4 { [%eval 0.37] [%clk 1:27:19] } 16... h5 { [%eval 0.42] [%clk 1:22:57] } 17. Bf4 { [%eval 0.29] [%clk 1:24:09] } 17... Kf8 { [%eval 0.12] [%clk 1:21:39] } 18. h3 { [%eval 0.2] [%clk 1:18:37] } 18... Kg7 { [%eval 0.25] [%clk 1:12:13] } 19. Nd2 { [%eval -0.21] [%clk 1:03:49] } 19... Bb7 { [%eval -0.03] [%clk 1:01:37] } 20. Be4 { [%eval -0.15] [%clk 0:58:09] } 20... Bxe4 { [%eval 0.0] [%clk 0:56:15] } 21. Qxe4?! { [%eval -1.08] } { Inaccuracy. Nxe4 was best. } { [%clk 0:44:21] } 21... e5 { [%eval -1.21] [%clk 0:50:10] } 22. Bh2 { [%eval -1.09] [%clk 0:42:40] } 22... Qe6 { [%eval -1.12] [%clk 0:49:22] } 23. Nf3 { [%eval -1.1] [%clk 0:39:48] } 23... f5?! { [%eval -0.05] } { Inaccuracy. Ra5 was best. } { [%clk 0:39:32] } 24. Bxe5+ { [%eval -0.05] [%clk 0:18:14] } 24... f6 { [%eval -0.05] [%clk 0:30:15] } 25. Bxf6+? { [%eval -1.31] } { Mistake. Nxd4 was best. } { [%clk 0:17:08] } 25... Qxf6 { [%eval -1.23] [%clk 0:28:21] } 26. Qb7?! { [%eval -2.09] } { Inaccuracy. Qf4 was best. } { [%clk 0:16:37] } 26... Ra7 { [%eval -1.58] [%clk 0:27:00] } 27. Qd5 { [%eval -1.49] [%clk 0:15:02] } 27... Rc7? { [%eval -0.22] } { Mistake. Qf7 was best. } { [%clk 0:23:08] } 28. Nxd4 { [%eval -0.31] [%clk 0:10:33] } 28... Bxd4 { [%eval -0.34] [%clk 0:23:00] } 29. Rxd4 { [%eval -0.32] [%clk 0:10:28] } 29... Nb6 { [%eval 0.0] [%clk 0:22:08] } 30. Qf3 { [%eval 0.0] [%clk 0:10:51] } 30... Qxd4 { [%eval 0.0] [%clk 0:14:39] } 31. Qg3+ { [%eval 0.0] [%clk 0:11:20] } 31... Kh6 { [%eval 0.0] [%clk 0:14:54] } 32. Qxc7 { [%eval 0.0] [%clk 0:11:48] } 32... Rg8 { [%eval 0.0] [%clk 0:14:09] } 33. Re1 { [%eval 0.0] [%clk 0:10:17] } 33... Rg6 { [%eval 0.0] [%clk 0:12:05] } 34. Re7?! { [%eval -1.07] } { Inaccuracy. a5 was best. } { [%clk 0:08:24] } 34... Qd1+ { [%eval -1.31] [%clk 0:11:35] } 35. Kh2 { [%eval -1.32] [%clk 0:08:53] } 35... Qd6+ { [%eval -1.22] [%clk 0:11:56] } 36. Qxd6 { [%eval -1.13] [%clk 0:09:21] } 36... Rxd6 { [%eval -0.75] [%clk 0:12:21] } 37. Rb7?! { [%eval -1.32] } { Inaccuracy. a5 was best. } { [%clk 0:08:39] } 37... Nxa4 { [%eval -1.23] [%clk 0:11:29] } 38. Rxb4 { [%eval -1.31] [%clk 0:09:03] } 38... Nb6 { [%eval -1.23] [%clk 0:11:38] } 39. g4 { [%eval -1.41] [%clk 0:08:33] } 39... Nd5? { [%eval 0.0] } { Mistake. Kg5 was best. } { [%clk 0:08:25] } 40. Rd4 { [%eval -0.14] [%clk 0:08:58] } 40... f4 { [%eval 0.0] [%clk 0:08:44] } 41. Kg2 { [%eval 0.0] [%clk 0:07:15] } 41... hxg4 { [%eval 0.0] [%clk 0:08:38] } 42. hxg4 { [%eval 0.0] [%clk 0:07:40] } 42... Kg5 { [%eval 0.0] [%clk 0:08:27] } 43. Kf3 { [%eval 0.0] [%clk 0:08:04] } 43... Rd7 { [%eval 0.0] [%clk 0:07:16] } 44. b4 { [%eval 0.0] [%clk 0:03:27] } 44... Nf6 { [%eval 0.0] [%clk 0:06:16] } 45. Rxf4 { [%eval 0.0] [%clk 0:03:33] } 45... Nd5 { [%eval 0.01] [%clk 0:06:28] } 46. Rd4 { [%eval 0.06] [%clk 0:03:33] } 1/2-1/2