Event: Round 4: Waldhausen Gordon, Frederick - Siva Mahadevan
Site: https://lichess.org/broadcast/2025-uk-open-blitz-final--open/round-4/LHOTMWyY/5YtJdwtA
Date: 2025-11-22
White: Waldhausen Gordon, Frederick
WhiteTitle: FM
WhiteElo: 2406
Black: Siva Mahadevan
BlackTitle: IM
BlackElo: 2365
Result: 0-1
ECO: A06
Opening: Nimzo-Larsen Attack: Classical Variation
Variant: Standard
TimeControl: 3+2

1. Nf3 { [%eval 0.1] [%clk 0:03:03] } 1... d5 { [%eval 0.18] [%clk 0:03:03] } 2. b3 { [%eval -0.02] [%clk 0:03:02] } 2... c5 { [%eval 0.19] [%clk 0:03:01] } 3. Bb2 { [%eval 0.0] [%clk 0:03:03] } 3... f6 { [%eval 0.0] [%clk 0:02:58] } 4. e3 { [%eval -0.24] [%clk 0:02:54] } 4... e5 { [%eval -0.53] [%clk 0:02:57] } 5. Bb5+ { [%eval -0.21] [%clk 0:02:53] } 5... Nc6 { [%eval -0.13] [%clk 0:02:53] } 6. O-O { [%eval -0.44] [%clk 0:02:49] } 6... Bd6 { [%eval 0.09] [%clk 0:02:51] } 7. d3?! { [%eval -0.69] } { Inaccuracy. c4 was best. } { [%clk 0:02:22] } 7... Ne7 { [%eval -0.75] [%clk 0:02:45] } 8. c4 { [%eval -0.96] [%clk 0:02:18] } 8... d4 { [%eval -0.87] [%clk 0:02:39] } 9. exd4 { [%eval -1.36] [%clk 0:02:18] } 9... cxd4 { [%eval -1.36] [%clk 0:02:37] } 10. a3 { [%eval -1.35] [%clk 0:02:18] } 10... O-O { [%eval -1.36] [%clk 0:02:34] } 11. Nbd2 { [%eval -1.31] [%clk 0:02:13] } 11... a6 { [%eval -1.33] [%clk 0:02:26] } 12. Ba4 { [%eval -1.35] [%clk 0:02:12] } 12... Bg4 { [%eval -0.83] [%clk 0:02:23] } 13. b4 { [%eval -0.82] [%clk 0:02:09] } 13... Ng6 { [%eval -0.95] [%clk 0:02:20] } 14. c5 { [%eval -1.28] [%clk 0:02:07] } 14... Bc7 { [%eval -1.37] [%clk 0:02:19] } 15. h3 { [%eval -1.31] [%clk 0:02:02] } 15... Bf5 { [%eval -1.06] [%clk 0:02:19] } 16. Ne4 { [%eval -1.01] [%clk 0:01:56] } 16... Nf4?! { [%eval -0.26] } { Inaccuracy. Kh8 was best. } { [%clk 0:02:19] } 17. Bb3+ { [%eval -0.29] [%clk 0:01:47] } 17... Kh8 { [%eval -0.31] [%clk 0:02:20] } 18. Bc1 { [%eval -0.25] [%clk 0:01:44] } 18... g5 { [%eval -0.26] [%clk 0:02:16] } 19. Bxf4 { [%eval -0.21] [%clk 0:01:39] } 19... gxf4? { [%eval 1.27] } { Mistake. exf4 was best. } { [%clk 0:01:41] } 20. Nfd2?? { [%eval -0.99] } { Blunder. Nh4 was best. } { [%clk 0:01:18] } 20... Qd7? { [%eval 0.61] } { Mistake. Bg6 was best. } { [%clk 0:01:31] } 21. Kh2?? { [%eval -1.22] } { Blunder. g4 was best. } { [%clk 0:01:12] } 21... Bg6 { [%eval -1.11] [%clk 0:01:26] } 22. Nc4?! { [%eval -1.87] } { Inaccuracy. Rc1 was best. } { [%clk 0:01:06] } 22... f5 { [%eval -1.69] [%clk 0:01:26] } 23. Ned6 { [%eval -1.81] [%clk 0:01:07] } 23... b5 { [%eval -1.7] [%clk 0:01:27] } 24. Nd2 { [%eval -1.77] [%clk 0:01:02] } 24... Bxd6 { [%eval -1.76] [%clk 0:01:27] } 25. cxd6 { [%eval -1.9] [%clk 0:01:03] } 25... Qxd6 { [%eval -1.73] [%clk 0:01:28] } 26. Qf3?? { [%eval -4.49] } { Blunder. f3 was best. } { [%clk 0:01:01] } 26... e4 { [%eval -4.27] [%clk 0:01:26] } 27. dxe4 { [%eval -4.56] [%clk 0:00:56] } 27... Ne5 { [%eval -4.9] [%clk 0:01:26] } 28. Qd1 { [%eval -4.76] [%clk 0:00:48] } 28... fxe4 { [%eval -4.69] [%clk 0:01:27] } 29. Re1 { [%eval -5.87] [%clk 0:00:45] } 29... f3 { [%eval -5.87] [%clk 0:01:23] } 30. g3 { [%eval -5.73] [%clk 0:00:39] } 30... e3 { [%eval -5.52] [%clk 0:01:23] } 31. fxe3 { [%eval -6.91] [%clk 0:00:35] } 31... f2 { [%eval -6.82] [%clk 0:01:24] } 32. Re2 { [%eval -7.3] [%clk 0:00:30] } 32... d3 { [%eval -7.48] [%clk 0:01:25] } 33. Nf1 { [%eval -7.45] [%clk 0:00:21] } 33... Be4 { [%eval -7.23] [%clk 0:01:25] } 34. Rea2 { [%eval -8.41] [%clk 0:00:10] } 34... Nf3+ { [%eval -7.95] [%clk 0:01:25] } 35. Kg2 { [%eval -8.96] [%clk 0:00:11] } 35... Ng5+ { [%eval -8.19] [%clk 0:01:00] } 36. Kh2 { [%eval -7.82] [%clk 0:00:10] } 36... Qh6 { [%eval -7.84] [%clk 0:01:00] } 37. Qg4 { [%eval -7.64] [%clk 0:00:06] } 37... Rae8?! { [%eval -5.19] } { Inaccuracy. Nf3+ was best. } { [%clk 0:00:54] } 38. Bd1 { [%eval -4.43] [%clk 0:00:04] } 38... Rg8 { [%eval -4.41] [%clk 0:00:42] } 39. Qd7 { [%eval -4.92] [%clk 0:00:03] } 39... Rd8 { [%eval -4.85] [%clk 0:00:31] } 40. Qg4 { [%eval -5.56] [%clk 0:00:00] } 40... Nf3+ { [%eval -5.31] [%clk 0:00:31] } 41. Bxf3 { [%eval -5.39] [%clk 0:00:01] } 41... Rxg4 { [%eval -5.38] [%clk 0:00:31] } 42. Bxg4 { [%eval -5.34] [%clk 0:00:00] } 0-1