Event: 35. Staufer Open 2025
Site: Schwaebisch Gmuend, Germany
Date: 2025-01-06
White: Kolb, Tobias
WhiteTitle: FM
WhiteElo: 2342
Black: Harshavardhan G B
BlackTitle: IM
BlackElo: 2405
Result: 1-0
ECO: E44
Opening: Nimzo-Indian Defense: St. Petersburg Variation, American Variation
Variant: Standard
TimeControl: 100 Min / 40 moves + 20 Min. Rest + 30 sec per move

1. d4 { [%eval 0.17] [%clk 1:30:31] } 1... Nf6 { [%eval 0.19] [%clk 1:40:36] } 2. c4 { [%eval 0.18] [%clk 1:30:58] } 2... e6 { [%eval 0.11] [%clk 1:40:46] } 3. Nc3 { [%eval 0.17] [%clk 1:31:26] } 3... Bb4 { [%eval 0.09] [%clk 1:41:04] } 4. e3 { [%eval 0.11] [%clk 1:31:52] } 4... b6 { [%eval 0.23] [%clk 1:41:20] } 5. Ne2 { [%eval 0.26] [%clk 1:32:19] } 5... Ne4 { [%eval 0.38] [%clk 1:41:26] } 6. Bd2 { [%eval 0.28] [%clk 1:30:51] } 6... Nxd2 { [%eval 0.32] [%clk 1:41:44] } 7. Qxd2 { [%eval 0.27] [%clk 1:31:19] } 7... Bb7 { [%eval 0.39] [%clk 1:42:02] } 8. a3 { [%eval 0.37] [%clk 1:30:20] } 8... Be7 { [%eval 0.41] [%clk 1:42:18] } 9. d5 { [%eval 0.42] [%clk 1:26:21] } 9... d6 { [%eval 0.61] [%clk 1:39:40] } 10. dxe6 { [%eval 0.42] [%clk 1:10:55] } 10... fxe6 { [%eval 0.42] [%clk 1:39:44] } 11. Nf4 { [%eval 0.61] [%clk 1:11:23] } 11... Qd7 { [%eval 0.73] [%clk 1:36:56] } 12. Be2 { [%eval 0.63] [%clk 1:11:10] } 12... e5 { [%eval 0.92] [%clk 1:31:48] } 13. Nfd5 { [%eval 0.92] [%clk 1:11:23] } 13... Bd8 { [%eval 0.88] [%clk 1:31:20] } 14. Ne4 { [%eval 1.05] [%clk 1:06:55] } 14... O-O { [%eval 1.05] [%clk 1:29:28] } 15. Rd1 { [%eval 0.92] [%clk 1:03:32] } 15... Qe6 { [%eval 1.08] [%clk 1:25:24] } 16. O-O { [%eval 1.07] [%clk 0:58:34] } 16... Na6?! { [%eval 1.92] } { Inaccuracy. Nd7 was best. } { [%clk 1:22:44] } 17. b4 { [%eval 1.58] [%clk 0:55:17] } 17... Kh8 { [%eval 1.89] [%clk 1:20:46] } 18. Bf3?! { [%eval 1.09] } { Inaccuracy. f4 was best. } { [%clk 0:48:59] } 18... c6 { [%eval 0.93] [%clk 0:56:24] } 19. Ndc3 { [%eval 1.11] [%clk 0:48:07] } 19... Be7 { [%eval 0.98] [%clk 0:56:32] } 20. b5 { [%eval 1.13] [%clk 0:41:37] } 20... cxb5 { [%eval 1.05] [%clk 0:49:16] } 21. cxb5 { [%eval 1.02] [%clk 0:32:15] } 21... Rxf3 { [%eval 1.04] [%clk 0:45:32] } 22. bxa6 { [%eval 1.05] [%clk 0:27:59] } 22... Bxe4 { [%eval 1.11] [%clk 0:44:16] } 23. Nxe4 { [%eval 1.16] [%clk 0:28:28] } 23... Rff8 { [%eval 1.1] [%clk 0:44:34] } 24. Nc3 { [%eval 1.1] [%clk 0:27:11] } 24... Rac8 { [%eval 1.13] [%clk 0:41:02] } 25. Qd5 { [%eval 1.19] [%clk 0:23:58] } 25... Qd7 { [%eval 1.19] [%clk 0:29:24] } 26. Ne4 { [%eval 1.08] [%clk 0:21:19] } 26... Qa4? { [%eval 2.42] } { Mistake. Rc6 was best. } { [%clk 0:24:52] } 27. Qb7 { [%eval 2.51] [%clk 0:20:25] } 27... Bh4?! { [%eval 3.43] } { Inaccuracy. h6 was best. } { [%clk 0:20:00] } 28. Nxd6 { [%eval 3.47] [%clk 0:17:32] } 28... Bxf2+?! { [%eval 4.5] } { Inaccuracy. Rc2 was best. } { [%clk 0:17:02] } 29. Kh1 { [%eval 4.34] [%clk 0:18:00] } 29... Rb8 { [%eval 4.19] [%clk 0:15:58] } 30. Qd5 { [%eval 4.29] [%clk 0:17:25] } 30... Qd7 { [%eval 4.32] [%clk 0:14:48] } 31. Qxe5?! { [%eval 2.99] } { Inaccuracy. Qa2 was best. } { [%clk 0:17:50] } 31... Qg4?! { [%eval 4.34] } { Inaccuracy. Qc7 was best. } { [%clk 0:07:52] } 32. h3 { [%eval 4.19] [%clk 0:13:02] } 32... Qg6?! { [%eval 5.88] } { Inaccuracy. Qe2 was best. } { [%clk 0:06:58] } 33. Rxf2 { [%eval 5.53] [%clk 0:12:34] } 33... Rxf2?! { [%eval 8.15] } { Inaccuracy. h6 was best. } { [%clk 0:05:02] } 34. Nf7+ { [%eval 8.1] [%clk 0:13:01] } 34... Kg8 { [%eval 10.52] [%clk 0:05:05] } 35. Qxb8+ { [%eval 10.02] [%clk 0:13:28] } 35... Kxf7 { [%eval 9.97] [%clk 0:05:29] } 36. Rd7+ { [%eval 9.8] [%clk 0:13:47] } 36... Ke6 { [%eval 9.08] [%clk 0:05:52] } 37. Rd6+ { [%clk 0:14:06] } 1-0