Event: British Chess Championships 2023: Championship
Site: The Venue, De Montfort University, United Kingdom
Date: 2023-07-25
White: Boswell, Jacob Connor
WhiteElo: 2163
Black: Koiza, Peter
BlackElo: 1963
Result: 1-0
ECO: A15
Opening: English Opening: Anglo-Indian Defense, King's Knight Variation
Variant: Standard
TimeControl: 40 moves in 90 mins + 30 mins + 30 secondss added from move 1

1. c4 { [%eval 0.23] [%clk 1:23:42] } 1... Nf6 { [%eval 0.29] [%clk 1:28:00] } 2. Nf3 { [%eval 0.12] [%clk 1:23:00] } 2... e6 { [%eval 0.22] [%clk 1:25:06] } 3. e3 { [%eval 0.17] [%clk 1:22:15] } 3... d5 { [%eval 0.07] [%clk 1:23:13] } 4. Nc3 { [%eval 0.01] [%clk 1:22:37] } 4... Be7 { [%eval 0.07] [%clk 1:22:26] } 5. b3 { [%eval 0.0] [%clk 1:20:57] } 5... O-O { [%eval 0.1] [%clk 1:20:59] } 6. Bb2 { [%eval 0.13] [%clk 1:20:45] } 6... b6 { [%eval 0.4] [%clk 1:20:27] } 7. cxd5 { [%eval 0.16] [%clk 1:18:30] } 7... exd5 { [%eval 0.21] [%clk 1:20:04] } 8. Be2 { [%eval 0.04] [%clk 1:16:06] } 8... Bb7 { [%eval 0.08] [%clk 1:19:44] } 9. O-O { [%eval 0.04] [%clk 1:15:15] } 9... Nbd7 { [%eval 0.05] [%clk 1:17:44] } 10. Rc1 { [%eval 0.11] [%clk 1:10:57] } 10... a6 { [%eval 0.0] [%clk 1:14:42] } 11. Qc2 { [%eval -0.02] [%clk 0:56:42] } 11... Re8 { [%eval 0.07] [%clk 1:09:10] } 12. Rfd1 { [%eval -0.03] [%clk 0:52:15] } 12... Rc8 { [%eval 0.0] [%clk 1:07:11] } 13. Qb1 { [%eval -0.12] [%clk 0:45:30] } 13... Bd6 { [%eval -0.19] [%clk 1:03:50] } 14. h3 { [%eval -0.42] [%clk 0:26:33] } 14... c5 { [%eval -0.16] [%clk 0:47:34] } 15. a4?! { [%eval -1.1] } { Inaccuracy. d4 was best. } { [%clk 0:19:10] } 15... d4 { [%eval -0.91] [%clk 0:35:01] } 16. exd4 { [%eval -0.94] [%clk 0:17:17] } 16... Nh5?! { [%eval -0.34] } { Inaccuracy. cxd4 was best. } { [%clk 0:20:55] } 17. d5 { [%eval -0.27] [%clk 0:14:55] } 17... Nf4 { [%eval -0.42] [%clk 0:20:24] } 18. Bc4 { [%eval -0.68] [%clk 0:13:38] } 18... Ne5 { [%eval 0.0] [%clk 0:18:22] } 19. Nxe5 { [%eval -0.57] [%clk 0:11:45] } 19... Bxe5 { [%eval -0.05] [%clk 0:17:44] } 20. Qf5 { [%eval -0.04] [%clk 0:09:45] } 20... Rc7 { [%eval -0.05] [%clk 0:14:03] } 21. Re1 { [%eval -0.03] [%clk 0:09:10] } 21... Bc8 { [%eval -0.2] [%clk 0:09:40] } 22. Qe4 { [%eval 0.0] [%clk 0:06:42] } 22... Qg5? { [%eval 1.52] } { Mistake. Rce7 was best. } { [%clk 0:06:27] } 23. h4?? { [%eval -0.76] } { Blunder. d6 was best. } { [%clk 0:05:47] } 23... Qxh4 { [%eval -0.5] [%clk 0:05:55] } 24. g3 { [%eval -0.36] [%clk 0:05:19] } 24... Nh3+ { [%eval -0.5] [%clk 0:05:13] } 25. Kg2 { [%eval -0.4] [%clk 0:05:14] } 25... Qf6?! { [%eval 0.45] } { Inaccuracy. Qh5 was best. } { [%clk 0:03:46] } 26. f4 { [%eval 0.0] [%clk 0:03:35] } 26... Rce7 { [%eval 0.0] [%clk 0:03:58] } 27. Qf3?? { [%eval -2.47] } { Blunder. fxe5 was best. } { [%clk 0:02:13] } 27... Bxf4?? { [%eval -0.13] } { Blunder. Ng5 was best. } { [%clk 0:01:40] } 28. Rxe7 { [%eval -0.16] [%clk 0:02:11] } 28... Rxe7 { [%eval -0.07] [%clk 0:02:00] } 29. d6 { [%eval -0.48] [%clk 0:01:18] } 29... Qxd6? { [%eval 1.01] } { Mistake. Re8 was best. } { [%clk 0:00:56] } 30. Ne4?? { [%eval -3.78] } { Blunder. Nd5 was best. } { [%clk 0:00:57] } 30... Rxe4?? { [%eval -0.28] } { Blunder. Qg6 was best. } { [%clk 0:00:36] } 31. Qxe4 { [%eval -0.39] [%clk 0:00:52] } 31... Qxd2+ { [%eval -0.27] [%clk 0:01:01] } 32. Be2 { [%eval -0.17] [%clk 0:01:03] } 32... Bb7?? { [%eval 3.37] } { Blunder. Kf8 was best. } { [%clk 0:01:01] } 33. Qxb7 { [%eval 2.95] [%clk 0:01:24] } 33... Qxe2+ { [%eval 3.02] [%clk 0:01:25] } 34. Kxh3 { [%eval 3.25] [%clk 0:01:23] } 34... Qh5+ { [%eval 3.33] [%clk 0:01:45] } 35. Kg2 { [%eval 3.36] [%clk 0:01:47] } 35... Qe2+ { [%eval 3.18] [%clk 0:02:05] } 36. Kh3 { [%eval 3.15] [%clk 0:01:15] } 36... Qh5+ { [%eval 3.51] [%clk 0:02:20] } 37. Kg2 { [%eval 3.4] [%clk 0:01:45] } 37... Qe2+ { [%eval 3.56] [%clk 0:02:40] } 38. Kh1 { [%eval 3.44] [%clk 0:01:33] } 38... Qh5+ { [%eval 3.8] [%clk 0:02:54] } 39. Kg1 { [%eval 3.26] [%clk 0:01:09] } 39... Be3+ { [%eval 3.4] [%clk 0:03:15] } 40. Kf1 { [%eval 1.99] [%clk 0:01:08] } 40... Qf5+? { [%eval 3.82] } { Mistake. f6 was best. } { [%clk 0:01:51] } 41. Kg2 { [%eval 3.99] [%clk 0:27:11] } 41... Qf2+ { [%eval 4.02] [%clk 0:31:37] } 42. Kh1?! { [%eval 3.02] } { Inaccuracy. Kh3 was best. } { [%clk 0:26:37] } 42... h5?! { [%eval 3.94] } { Inaccuracy. h6 was best. } { [%clk 0:27:22] } 43. Rd1 { [%eval 4.02] [%clk 0:23:22] } 43... Qc2 { [%eval 4.45] [%clk 0:19:22] } 44. Qa8+ { [%eval 4.57] [%clk 0:13:57] } 44... Kh7 { [%eval 4.48] [%clk 0:19:37] } 45. Qd5 { [%eval 4.5] [%clk 0:14:24] } 45... f5 { [%eval 4.69] [%clk 0:17:22] } 46. Qf3 { [%eval 4.71] [%clk 0:11:33] } 46... Bh6 { [%eval 4.69] [%clk 0:15:08] } 47. Be5 { [%eval 4.73] [%clk 0:11:04] } 47... b5 { [%eval 4.75] [%clk 0:13:54] } 48. Qd3 { [%eval 4.98] [%clk 0:10:03] } 1-0