Event: Runde 1: Cheng, Bobby - Colbow, Collin
Date: 2024-03-02
White: Cheng, Bobby
WhiteTitle: GM
WhiteElo: 2584
Black: Colbow, Collin
BlackTitle: FM
BlackElo: 2373
Result: 1-0
ECO: D35
Opening: Queen's Gambit Declined: Exchange Variation, Positional Variation
Variant: Standard

1. c4 { [%eval 0.18] [%clk 1:40:57] } 1... e6 { [%eval 0.18] [%clk 1:40:31] } 2. Nc3 { [%eval 0.05] [%clk 1:41:17] } 2... d5 { [%eval 0.12] [%clk 1:40:51] } 3. d4 { [%eval 0.24] [%clk 1:41:41] } 3... Nf6 { [%eval 0.21] [%clk 1:41:04] } 4. cxd5 { [%eval 0.39] [%clk 1:42:01] } 4... exd5 { [%eval 0.25] [%clk 1:41:26] } 5. Bg5 { [%eval 0.19] [%clk 1:42:22] } 5... Bb4 { [%eval 0.53] [%clk 1:41:04] } 6. e3 { [%eval 0.47] [%clk 1:39:59] } 6... h6 { [%eval 0.36] [%clk 1:40:33] } 7. Bh4 { [%eval 0.34] [%clk 1:40:20] } 7... g5 { [%eval 0.29] [%clk 1:40:28] } 8. Bg3 { [%eval 0.42] [%clk 1:40:45] } 8... Ne4 { [%eval 0.45] [%clk 1:40:29] } 9. a3 { [%eval 0.28] [%clk 1:35:43] } 9... Bxc3+ { [%eval 0.3] [%clk 1:25:09] } 10. bxc3 { [%eval 0.37] [%clk 1:34:55] } 10... h5 { [%eval 0.26] [%clk 1:21:39] } 11. f3 { [%eval 0.49] [%clk 1:34:21] } 11... h4 { [%eval 0.44] [%clk 1:05:36] } 12. Be5 { [%eval 0.39] [%clk 1:28:10] } 12... f6?! { [%eval 1.12] } { Inaccuracy. Nf6 was best. } { [%clk 1:05:45] } 13. fxe4 { [%eval 1.13] [%clk 1:27:36] } 13... fxe5 { [%eval 1.22] [%clk 1:06:06] } 14. Nf3 { [%eval 0.76] [%clk 1:07:32] } 14... dxe4 { [%eval 0.73] [%clk 1:00:38] } 15. Nxe5 { [%eval 0.8] [%clk 1:07:37] } 15... Nd7 { [%eval 0.76] [%clk 1:00:07] } 16. Ng4 { [%eval 0.89] [%clk 0:42:30] } 16... O-O { [%eval 0.97] [%clk 0:43:37] } 17. Be2 { [%eval 0.46] [%clk 0:41:43] } 17... Qe7 { [%eval 0.66] [%clk 0:38:57] } 18. a4 { [%eval 0.36] [%clk 0:32:53] } 18... Kg7 { [%eval 0.21] [%clk 0:35:04] } 19. Qb3 { [%eval 0.17] [%clk 0:30:55] } 19... Nf6 { [%eval 0.13] [%clk 0:32:48] } 20. Ne5 { [%eval 0.19] [%clk 0:30:58] } 20... Be6 { [%eval 0.5] [%clk 0:19:39] } 21. Qb1 { [%eval 0.0] [%clk 0:20:19] } 21... Nd7 { [%eval -0.04] [%clk 0:13:21] } 22. Nc4?! { [%eval -0.62] } { Inaccuracy. Nxd7 was best. } { [%clk 0:12:38] } 22... Bxc4 { [%eval -0.51] [%clk 0:07:45] } 23. Bxc4 { [%eval -0.7] [%clk 0:13:07] } 23... Nb6 { [%eval -0.74] [%clk 0:07:48] } 24. Bb3 { [%eval -0.72] [%clk 0:13:36] } 24... c5 { [%eval -0.63] [%clk 0:06:21] } 25. a5 { [%eval -0.69] [%clk 0:12:36] } 25... Nd7 { [%eval -0.73] [%clk 0:01:43] } 26. Qd1 { [%eval -0.89] [%clk 0:04:33] } 26... cxd4?! { [%eval -0.2] } { Inaccuracy. Rac8 was best. } { [%clk 0:01:09] } 27. Qxd4+ { [%eval -0.1] [%clk 0:05:02] } 27... Ne5 { [%eval 0.0] [%clk 0:01:15] } 28. Qxe4?? { [%eval -3.48] } { Blunder. Bc2 was best. } { [%clk 0:05:29] } 28... Rad8?? { [%eval 0.3] } { Blunder. Rf4 was best. } { [%clk 0:01:18] } 29. Bc2 { [%eval 0.27] [%clk 0:05:50] } 29... Kh8?! { [%eval 1.18] } { Inaccuracy. Kh6 was best. } { [%clk 0:00:49] } 30. Rf1 { [%eval 1.35] [%clk 0:05:16] } 30... Qc7?? { [%eval 3.58] } { Blunder. Rfe8 was best. } { [%clk 0:00:31] } 31. Ke2?? { [%eval 1.21] } { Blunder. Rxf8+ was best. } { [%clk 0:04:41] } 31... Rfe8? { [%eval 2.75] } { Mistake. Rxf1 was best. } { [%clk 0:00:40] } 32. Ra4 { [%eval 2.76] [%clk 0:02:19] } 32... Nd3? { [%eval 5.3] } { Mistake. h3 was best. } { [%clk 0:00:40] } 33. Qg6 { [%eval 5.11] [%clk 0:01:55] } 33... Qe5?? { [%eval #10] } { Checkmate is now unavoidable. Nc1+ was best. } { [%clk 0:00:34] } 34. Qh6+ { [%eval #10] [%clk 0:01:51] } 34... Kg8 { [%eval #10] [%clk 0:01:00] } 35. Bb3+ { [%eval #9] [%clk 0:02:06] } 35... Rd5 { [%eval #9] [%clk 0:01:22] } 36. Bxd5+ { [%eval #8] [%clk 0:02:27] } 36... Qxd5 { [%eval #8] [%clk 0:01:48] } 37. Qg6+ { [%eval #7] [%clk 0:02:53] } 1-0