Event: Biel Chess Festival 2025
Date: 2025-07-15
White: Loeffler, Helmut
WhiteElo: 1709
Black: Tkhoruk, Roman
BlackElo: 1893
Result: 0-1
ECO: D05
Opening: Queen's Pawn Game: Colle System, Traditional Colle
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:43] } 1... Nf6 { [%eval 0.19] [%clk 1:30:30] } 2. Nf3 { [%eval 0.11] [%clk 1:30:43] } 2... e6 { [%eval 0.14] [%clk 1:30:49] } 3. e3 { [%eval 0.0] [%clk 1:31:00] } 3... d5 { [%eval 0.1] [%clk 1:30:51] } 4. Bd3 { [%eval 0.03] [%clk 1:31:11] } 4... c5 { [%eval 0.07] [%clk 1:30:50] } 5. c3 { [%eval -0.02] [%clk 1:31:04] } 5... Nc6 { [%eval 0.12] [%clk 1:30:28] } 6. Nbd2 { [%eval 0.0] [%clk 1:31:08] } 6... Be7 { [%eval 0.1] [%clk 1:30:20] } 7. O-O { [%eval 0.09] [%clk 1:30:34] } 7... h6 { [%eval 0.28] [%clk 1:30:00] } 8. Re1 { [%eval 0.09] [%clk 1:30:48] } 8... O-O { [%eval 0.12] [%clk 1:28:57] } 9. e4 { [%eval -0.32] [%clk 1:30:56] } 9... dxe4 { [%eval -0.5] [%clk 1:27:26] } 10. Nxe4 { [%eval -0.51] [%clk 1:30:56] } 10... cxd4 { [%eval -0.39] [%clk 1:27:12] } 11. cxd4 { [%eval -0.49] [%clk 1:29:21] } 11... Nxd4 { [%eval -0.46] [%clk 1:24:57] } 12. Nxd4 { [%eval -0.67] [%clk 1:29:24] } 12... Qxd4 { [%eval -0.65] [%clk 1:22:56] } 13. Nxf6+ { [%eval -0.64] [%clk 1:29:45] } 13... Qxf6 { [%eval -0.73] [%clk 1:18:47] } 14. Qc2 { [%eval -0.76] [%clk 1:29:54] } 14... Bd7 { [%eval -0.92] [%clk 1:17:09] } 15. Bd2 { [%eval -0.75] [%clk 1:26:01] } 15... Bc6 { [%eval -0.8] [%clk 1:13:21] } 16. Re3 { [%eval -1.04] [%clk 1:25:31] } 16... Bd6 { [%eval -0.54] [%clk 1:10:34] } 17. Bc3 { [%eval -0.79] [%clk 1:21:17] } 17... Qg5 { [%eval -0.73] [%clk 1:04:46] } 18. Be4 { [%eval -1.0] [%clk 1:14:39] } 18... Bxe4 { [%eval -1.02] [%clk 1:00:15] } 19. Qxe4 { [%eval -1.06] [%clk 1:14:13] } 19... Qf4 { [%eval -1.17] [%clk 0:59:43] } 20. Rg3?? { [%eval -4.99] } { Blunder. Qxf4 was best. } { [%clk 1:12:43] } 20... Qxe4 { [%eval -4.91] [%clk 0:51:38] } 21. Rxg7+ { [%eval -4.89] [%clk 1:12:54] } 21... Kh8 { [%eval -4.79] [%clk 0:51:54] } 22. Rg4+ { [%eval -4.94] [%clk 1:13:18] } 22... Qe5 { [%eval -5.01] [%clk 0:52:05] } 23. Rd1 { [%eval -5.25] [%clk 1:13:42] } 23... Qxc3 { [%eval -5.31] [%clk 0:45:20] } 24. bxc3 { [%eval -5.18] [%clk 1:13:05] } 24... Rad8 { [%eval -5.21] [%clk 0:45:37] } 25. Re1 { [%eval -5.04] [%clk 1:13:19] } 25... Be5 { [%eval -5.02] [%clk 0:44:15] } 26. f4 { [%eval -5.37] [%clk 1:13:31] } 26... Bxc3 { [%eval -5.39] [%clk 0:42:26] } 27. Rb1 { [%eval -5.34] [%clk 1:13:48] } 27... Rd7 { [%eval -5.35] [%clk 0:40:16] } 28. Rb3 { [%eval -5.63] [%clk 1:13:36] } 28... Rc8 { [%eval -5.64] [%clk 0:40:13] } 29. Rb5 { [%eval -5.64] [%clk 1:13:52] } 29... Rd2 { [%eval -5.83] [%clk 0:37:32] } 30. h3 { [%eval -5.9] [%clk 1:13:21] } 30... b6 { [%eval -5.86] [%clk 0:37:02] } 31. Rh5 { [%eval -6.6] [%clk 1:13:03] } 31... Kh7 { [%eval -6.16] [%clk 0:36:21] } 32. f5?? { [%eval #-6] } { Checkmate is now unavoidable. h4 was best. } { [%clk 1:13:22] } 32... Bd4+?? { [%eval -6.75] } { Lost forced checkmate sequence. Be5 was best. } { [%clk 0:32:40] } 33. Rxd4 { [%eval -6.87] [%clk 1:12:56] } 33... Rxd4 { [%eval -6.71] [%clk 0:31:17] } 34. fxe6 { [%eval -6.5] [%clk 1:13:14] } 34... fxe6 { [%clk 0:31:26] } 0-1