Event: SixDays September 2025 Swiss norm edition
Site: https://lichess.org/broadcast/sixdays-budapest-september-2025/round-1/RbKQzScR/ydwDfuxV
Date: 2025-09-12
White: Vaidyanathan, Kannan
WhiteTitle: CM
WhiteElo: 2248
Black: Colbow, Collin
BlackTitle: IM
BlackElo: 2433
Result: 1/2-1/2
ECO: D35
Opening: Queen's Gambit Declined: Exchange Variation, Positional Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:48] } 2. c4 { [%eval 0.18] [%clk 1:31:06] } 2... e6 { [%eval 0.14] [%clk 1:31:12] } 3. Nc3 { [%eval 0.09] [%clk 1:31:26] } 3... d5 { [%eval 0.24] [%clk 1:31:30] } 4. cxd5 { [%eval 0.22] [%clk 1:31:40] } 4... exd5 { [%eval 0.2] [%clk 1:31:54] } 5. Bg5 { [%eval 0.24] [%clk 1:31:23] } 5... Bb4 { [%eval 0.28] [%clk 1:32:14] } 6. Qc2 { [%eval 0.03] [%clk 1:29:01] } 6... h6 { [%eval 0.09] [%clk 1:31:09] } 7. Bxf6 { [%eval 0.04] [%clk 1:27:55] } 7... Qxf6 { [%eval 0.01] [%clk 1:31:13] } 8. a3 { [%eval -0.02] [%clk 1:27:47] } 8... Bxc3+ { [%eval 0.02] [%clk 1:28:28] } 9. Qxc3 { [%eval 0.09] [%clk 1:28:05] } 9... Nc6 { [%eval 0.09] [%clk 1:23:49] } 10. e3 { [%eval 0.11] [%clk 1:24:06] } 10... Bd7 { [%eval 0.4] [%clk 1:20:18] } 11. Nf3 { [%eval 0.3] [%clk 1:20:56] } 11... O-O-O?! { [%eval 1.26] } { Inaccuracy. O-O was best. } { [%clk 1:07:31] } 12. Bd3 { [%eval 0.85] [%clk 1:12:19] } 12... Bg4 { [%eval 0.86] [%clk 0:43:11] } 13. Nd2 { [%eval 0.9] [%clk 0:58:35] } 13... h5 { [%eval 0.93] [%clk 0:35:20] } 14. O-O { [%eval 0.96] [%clk 0:50:13] } 14... h4 { [%eval 1.13] [%clk 0:33:57] } 15. h3 { [%eval 0.89] [%clk 0:49:15] } 15... Bd7 { [%eval 0.81] [%clk 0:30:18] } 16. Nb3 { [%eval 0.69] [%clk 0:41:02] } 16... Rh5?! { [%eval 1.32] } { Inaccuracy. Kb8 was best. } { [%clk 0:25:09] } 17. f4?! { [%eval 0.72] } { Inaccuracy. Be2 was best. } { [%clk 0:38:55] } 17... Qe7 { [%eval 0.78] [%clk 0:22:45] } 18. Rae1 { [%eval 0.94] [%clk 0:35:47] } 18... b6? { [%eval 2.37] } { Mistake. Qd6 was best. } { [%clk 0:20:28] } 19. Nc5?? { [%eval 0.07] } { Blunder. e4 was best. } { [%clk 0:25:26] } 19... bxc5 { [%eval 0.0] [%clk 0:19:18] } 20. Ba6+ { [%eval 0.0] [%clk 0:25:14] } 20... Kb8 { [%eval 0.02] [%clk 0:19:43] } 21. Qb3+ { [%eval 0.0] [%clk 0:24:39] } 21... Nb4 { [%eval 0.0] [%clk 0:20:10] } 22. dxc5 { [%eval 0.0] [%clk 0:23:39] } 22... Qxc5 { [%eval 0.03] [%clk 0:20:18] } 23. axb4 { [%eval 0.01] [%clk 0:22:50] } 23... Qd6 { [%eval 0.39] [%clk 0:19:07] } 24. Be2 { [%eval 0.24] [%clk 0:19:29] } 24... Rh6 { [%eval 0.24] [%clk 0:19:25] } 25. Rd1 { [%eval 0.24] [%clk 0:15:06] } 25... Bc6 { [%eval 0.29] [%clk 0:15:58] } 26. Bf3 { [%eval 0.1] [%clk 0:14:51] } 26... Qd7 { [%eval 0.33] [%clk 0:15:38] } 27. Rd4 { [%eval 0.34] [%clk 0:13:45] } 27... Rd6 { [%eval 0.37] [%clk 0:15:12] } 28. Rc1 { [%eval 0.18] [%clk 0:12:29] } 28... Bb5 { [%eval 0.16] [%clk 0:13:52] } 29. Kh1 { [%eval 0.0] [%clk 0:09:56] } 29... f5 { [%eval 0.0] [%clk 0:12:01] } 30. Qd1 { [%eval 0.0] [%clk 0:08:54] } 30... a6 { [%eval 0.0] [%clk 0:08:51] } 31. Be2 { [%eval 0.0] [%clk 0:08:06] } 31... c6 { [%eval 0.49] [%clk 0:08:51] } 32. Bxb5 { [%eval 0.42] [%clk 0:08:05] } 32... cxb5 { [%eval 0.49] [%clk 0:06:57] } 33. Rc5 { [%eval 0.54] [%clk 0:08:01] } 33... Qe6 { [%eval 0.42] [%clk 0:07:01] } 34. Qd3 { [%eval 0.44] [%clk 0:07:39] } 34... g6 { [%eval 0.6] [%clk 0:04:59] } 35. Qd2 { [%eval 0.41] [%clk 0:07:21] } 35... R8d7 { [%eval 0.46] [%clk 0:03:58] } 36. Qd3 { [%eval 0.45] [%clk 0:07:01] } 36... Rd8 { [%eval 0.8] [%clk 0:04:24] } 37. Qd2 { [%eval 0.45] [%clk 0:07:23] } 37... R8d7 { [%eval 0.54] [%clk 0:04:30] } 38. Qd3 { [%eval 0.0] [%clk 0:07:38] } 38... Rd8 1/2-1/2