Event: Round 4: Sambuev, Bator - Velten, Paul
Date: 2025-02-15
White: Sambuev, Bator
WhiteTitle: GM
WhiteElo: 2416
Black: Velten, Paul
BlackTitle: GM
BlackElo: 2505
Result: 0-1
ECO: A09
Opening: Réti Opening: Advance Variation
Variant: Standard
TimeControl: 90+30

1. Nf3 { [%eval 0.14] [%clk 1:30:55] } 1... d5 { [%eval 0.18] [%clk 1:30:04] } 2. c4 { [%eval 0.0] [%clk 1:31:19] } 2... d4 { [%eval 0.0] [%clk 1:28:40] } 3. b4 { [%eval 0.0] [%clk 1:31:21] } 3... c6 { [%eval 0.14] [%clk 1:25:31] } 4. e3 { [%eval -0.07] [%clk 1:25:52] } 4... e5 { [%eval -0.02] [%clk 1:22:57] } 5. c5 { [%eval -0.21] [%clk 1:19:49] } 5... dxe3 { [%eval 0.05] [%clk 1:12:58] } 6. fxe3 { [%eval 0.11] [%clk 1:18:10] } 6... e4 { [%eval 0.02] [%clk 1:12:19] } 7. Ne5 { [%eval 0.07] [%clk 1:16:20] } 7... Qg5 { [%eval 0.04] [%clk 1:11:41] } 8. Bb2 { [%eval 0.06] [%clk 1:11:39] } 8... Be7 { [%eval 0.0] [%clk 1:02:26] } 9. Na3 { [%eval -0.49] [%clk 1:06:15] } 9... Nf6 { [%eval -0.56] [%clk 0:59:58] } 10. Qc2 { [%eval -0.48] [%clk 1:03:06] } 10... O-O { [%eval -0.56] [%clk 0:54:34] } 11. Nac4 { [%eval -0.54] [%clk 0:56:29] } 11... Nd5? { [%eval 0.77] } { Mistake. Nbd7 was best. } { [%clk 0:51:40] } 12. Qxe4 { [%eval 0.94] [%clk 0:47:05] } 12... f5 { [%eval 1.19] [%clk 0:47:11] } 13. Qf3 { [%eval 0.9] [%clk 0:35:30] } 13... Nxb4 { [%eval 0.9] [%clk 0:46:32] } 14. Nd6 { [%eval 0.65] [%clk 0:35:15] } 14... Be6 { [%eval 0.55] [%clk 0:46:23] } 15. Rc1 { [%eval 0.56] [%clk 0:34:42] } 15... b5?! { [%eval 1.56] } { Inaccuracy. Qh4+ was best. } { [%clk 0:28:50] } 16. a3 { [%eval 1.63] [%clk 0:25:15] } 16... Bd5 { [%eval 1.82] [%clk 0:28:55] } 17. Qg3? { [%eval 0.46] } { Mistake. Qf2 was best. } { [%clk 0:23:43] } 17... Qh6 { [%eval 0.54] [%clk 0:29:01] } 18. Qf4 { [%eval 0.51] [%clk 0:18:50] } 18... Bh4+ { [%eval 0.65] [%clk 0:20:33] } 19. Ke2? { [%eval -0.54] } { Mistake. Kd1 was best. } { [%clk 0:15:36] } 19... Qh5+ { [%eval -0.58] [%clk 0:20:37] } 20. Nf3 { [%eval -0.6] [%clk 0:14:49] } 20... N4a6 { [%eval -0.32] [%clk 0:20:56] } 21. Nxb5?? { [%eval -2.68] } { Blunder. Kd1 was best. } { [%clk 0:04:22] } 21... cxb5 { [%eval -2.54] [%clk 0:16:37] } 22. Qd4 { [%eval -3.2] [%clk 0:03:43] } 22... Bxf3+ { [%eval -3.23] [%clk 0:16:48] } 23. gxf3 { [%eval -3.04] [%clk 0:04:07] } 23... Bf6 { [%eval -2.94] [%clk 0:17:08] } 24. Qd5+ { [%eval -2.87] [%clk 0:04:28] } 24... Qf7 { [%eval -2.93] [%clk 0:17:32] } 25. Qxf7+ { [%eval -2.53] [%clk 0:04:49] } 25... Kxf7 { [%eval -2.4] [%clk 0:17:33] } 26. Bxf6 { [%eval -2.33] [%clk 0:04:20] } 26... Kxf6 { [%eval -2.31] [%clk 0:17:57] } 27. d4?! { [%eval -3.13] } { Inaccuracy. f4 was best. } { [%clk 0:03:37] } 27... Nc6 { [%eval -3.18] [%clk 0:16:34] } 28. Rb1 { [%eval -3.4] [%clk 0:01:23] } 28... Nc7 { [%eval -3.38] [%clk 0:16:44] } 29. f4 { [%eval -3.36] [%clk 0:01:15] } 29... Nd5 { [%eval -2.8] [%clk 0:15:43] } 30. Kd2 { [%eval -3.25] [%clk 0:01:32] } 30... a6 { [%eval -2.96] [%clk 0:15:57] } 31. a4 { [%eval -3.32] [%clk 0:01:42] } 31... b4 { [%eval -3.12] [%clk 0:15:03] } 32. Bc4 { [%eval -3.55] [%clk 0:01:49] } 32... Nc3 { [%eval -3.62] [%clk 0:15:06] } 33. Rb3 { [%eval -3.65] [%clk 0:01:17] } 33... Rfe8 { [%eval -3.59] [%clk 0:14:46] } 34. a5 { [%eval -4.25] [%clk 0:01:05] } 34... Ne4+ { [%eval -4.22] [%clk 0:13:04] } 35. Kc2 { [%eval -4.05] [%clk 0:01:27] } 35... Nxa5 { [%eval -4.02] [%clk 0:12:59] } 36. Rxb4 { [%eval -3.68] [%clk 0:01:51] } 36... Nxc4 { [%eval -3.54] [%clk 0:13:25] } 37. Rxc4 { [%eval -3.67] [%clk 0:02:15] } 37... Ke6 { [%eval -3.54] [%clk 0:13:37] } 38. Rb1 { [%eval -3.94] [%clk 0:02:09] } 38... Kd5 { [%eval -3.41] [%clk 0:13:37] } 39. Ra4 { [%eval -3.9] [%clk 0:02:06] } 39... Nf6 { [%eval -3.4] [%clk 0:13:03] } 40. Kd2 { [%eval -3.85] [%clk 0:00:48] } 40... Reb8 { [%eval -3.85] [%clk 0:12:24] } 41. Rxb8 { [%eval -3.79] [%clk 0:00:59] } 41... Rxb8 { [%eval -3.76] [%clk 0:12:50] } 42. Rxa6 { [%eval -3.64] [%clk 0:01:24] } 42... Rb3 { [%eval -3.51] [%clk 0:11:38] } 43. Rd6+?! { [%eval -4.64] } { Inaccuracy. Ra7 was best. } { [%clk 0:00:46] } 43... Kc4 { [%eval -4.45] [%clk 0:12:02] } 44. Ke2 { [%eval -5.49] [%clk 0:00:32] } 44... Rb2+ { [%eval -5.47] [%clk 0:12:07] } 45. Kf1 { [%eval -5.41] [%clk 0:00:57] } 45... Kd3 { [%eval -5.47] [%clk 0:11:07] } 46. Re6 { [%eval -5.24] [%clk 0:00:35] } 46... Ne4 { [%eval -5.02] [%clk 0:11:05] } 47. c6 { [%eval -6.37] [%clk 0:00:41] } 47... Kxe3 { [%eval -6.27] [%clk 0:11:12] } 0-1