Event: Round 4: Boswell, Jacob Connor - Vaidyanathan, Adithya
Site: https://lichess.org/broadcast/2025-british-chess-championships--championship/round-4/Tzpigbhl/pMtbhv4O
White: Boswell, Jacob Connor
WhiteElo: 2278
Black: Vaidyanathan, Adithya
BlackElo: 2115
Result: 1-0
ECO: B67
Opening: Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:25:35] } 1... c5 { [%eval 0.24] [%clk 1:30:55] } 2. Nf3 { [%eval 0.2] [%clk 1:25:59] } 2... Nc6 { [%eval 0.3] [%clk 1:31:22] } 3. d4 { [%eval 0.27] [%clk 1:26:21] } 3... cxd4 { [%eval 0.27] [%clk 1:31:47] } 4. Nxd4 { [%eval 0.21] [%clk 1:26:47] } 4... Nf6 { [%eval 0.19] [%clk 1:32:11] } 5. Nc3 { [%eval 0.26] [%clk 1:27:11] } 5... d6 { [%eval 0.3] [%clk 1:32:37] } 6. Bg5 { [%eval 0.25] [%clk 1:27:24] } 6... e6 { [%eval 0.39] [%clk 1:33:02] } 7. Qd2 { [%eval 0.33] [%clk 1:27:44] } 7... a6 { [%eval 0.33] [%clk 1:33:28] } 8. O-O-O { [%eval 0.39] [%clk 1:27:58] } 8... Bd7 { [%eval 0.39] [%clk 1:33:54] } 9. f3 { [%eval 0.44] [%clk 1:28:09] } 9... Nxd4 { [%eval 0.45] [%clk 1:34:14] } 10. Qxd4 { [%eval 0.39] [%clk 1:28:32] } 10... Be7 { [%eval 0.44] [%clk 1:34:35] } 11. Kb1 { [%eval 0.7] [%clk 1:26:36] } 11... b5 { [%eval 0.62] [%clk 1:34:51] } 12. g4 { [%eval 0.89] [%clk 1:25:17] } 12... h5 { [%eval 0.9] [%clk 1:24:10] } 13. gxh5 { [%eval 0.7] [%clk 1:25:23] } 13... Rxh5 { [%eval 0.79] [%clk 1:18:46] } 14. h4 { [%eval 0.67] [%clk 1:22:05] } 14... Qc7 { [%eval 0.6] [%clk 1:17:05] } 15. Be2 { [%eval 0.24] [%clk 1:15:43] } 15... Bc6?! { [%eval 1.02] } { Inaccuracy. Qa7 was best. } { [%clk 0:52:16] } 16. f4 { [%eval 1.08] [%clk 1:10:14] } 16... Rh8 { [%eval 1.11] [%clk 0:51:58] } 17. h5?! { [%eval 0.42] } { Inaccuracy. Bf3 was best. } { [%clk 1:02:56] } 17... O-O-O?? { [%eval 2.73] } { Blunder. Qa7 was best. } { [%clk 0:45:40] } 18. a4 { [%eval 2.61] [%clk 0:54:52] } 18... e5 { [%eval 2.91] [%clk 0:37:05] } 19. Qe3 { [%eval 2.98] [%clk 0:51:46] } 19... d5?! { [%eval 3.83] } { Inaccuracy. exf4 was best. } { [%clk 0:17:05] } 20. exd5 { [%eval 3.86] [%clk 0:28:10] } 20... Nxd5 { [%eval 3.75] [%clk 0:17:14] } 21. Nxd5 { [%eval 3.74] [%clk 0:27:53] } 21... Bxd5 { [%eval 3.9] [%clk 0:17:23] } 22. Bxe7 { [%eval 3.76] [%clk 0:27:33] } 22... Qxe7 { [%eval 3.58] [%clk 0:16:49] } 23. Rhe1 { [%eval 2.88] [%clk 0:26:19] } 23... e4 { [%eval 3.11] [%clk 0:10:17] } 24. axb5 { [%eval 3.79] [%clk 0:20:39] } 24... axb5 { [%eval 3.89] [%clk 0:10:40] } 25. Bxb5 { [%eval 3.81] [%clk 0:18:07] } 25... Rxh5?! { [%eval 5.49] } { Inaccuracy. Bb7 was best. } { [%clk 0:10:30] } 26. Ba6+ { [%eval 5.37] [%clk 0:17:45] } 26... Kb8?! { [%eval 7.3] } { Inaccuracy. Kd7 was best. } { [%clk 0:03:35] } 27. Qb6+ { [%eval 7.12] [%clk 0:17:01] } 27... Ka8 { [%eval 7.09] [%clk 0:04:00] } 28. Bb7+ { [%eval 7.01] [%clk 0:15:17] } 28... Qxb7 { [%eval 6.59] [%clk 0:04:06] } 29. Qxd8+ { [%eval 6.71] [%clk 0:15:45] } 29... Ka7 { [%eval 8.07] [%clk 0:04:29] } 30. Re3 { [%eval 7.68] [%clk 0:15:27] } 30... Qb5? { [%eval #7] } { Checkmate is now unavoidable. Qa6 was best. } { [%clk 0:01:52] } 31. Qc7+ { [%eval #6] [%clk 0:15:19] } 1-0