Event: Round 9: Badacsonyi, Frankie - Siva Mahadevan
Site: https://lichess.org/broadcast/2025-british-chess-championships--championship/round-9/6nJJpIpn/PM57aOJn
White: Badacsonyi, Frankie
WhiteTitle: FM
WhiteElo: 2193
Black: Siva Mahadevan
BlackTitle: IM
BlackElo: 2416
Result: 0-1
ECO: E04
Opening: Catalan Opening: Open Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:52] } 1... d5 { [%eval 0.2] [%clk 1:27:48] } 2. c4 { [%eval 0.18] [%clk 1:31:15] } 2... e6 { [%eval 0.17] [%clk 1:28:10] } 3. Nf3 { [%eval 0.11] [%clk 1:31:04] } 3... Nf6 { [%eval 0.17] [%clk 1:28:32] } 4. g3 { [%eval 0.16] [%clk 1:30:47] } 4... dxc4 { [%eval 0.15] [%clk 1:28:09] } 5. Bg2 { [%eval 0.22] [%clk 1:30:55] } 5... a6 { [%eval 0.25] [%clk 1:27:58] } 6. O-O { [%eval 0.26] [%clk 1:30:29] } 6... Nc6 { [%eval 0.14] [%clk 1:28:08] } 7. Be3 { [%eval 0.05] [%clk 1:30:22] } 7... Bd7 { [%eval 0.14] [%clk 1:15:31] } 8. Qc1 { [%eval 0.16] [%clk 1:26:53] } 8... b5 { [%eval 0.17] [%clk 1:15:46] } 9. b3 { [%eval 0.16] [%clk 1:26:20] } 9... cxb3 { [%eval 0.25] [%clk 1:15:57] } 10. axb3 { [%eval 0.36] [%clk 1:26:46] } 10... Nb4 { [%eval 0.68] [%clk 1:09:06] } 11. Ne5 { [%eval 0.6] [%clk 1:15:13] } 11... Rb8?! { [%eval 1.37] } { Inaccuracy. Nfd5 was best. } { [%clk 1:09:06] } 12. Bd2 { [%eval 1.36] [%clk 1:12:01] } 12... Rb6 { [%eval 1.1] [%clk 1:05:38] } 13. Bxb4?! { [%eval 0.54] } { Inaccuracy. Nc3 was best. } { [%clk 1:09:33] } 13... Bxb4 { [%eval 0.43] [%clk 1:06:05] } 14. Nd3 { [%eval 0.49] [%clk 1:08:59] } 14... Be7 { [%eval 0.61] [%clk 1:03:50] } 15. Nc5?! { [%eval -0.08] } { Inaccuracy. b4 was best. } { [%clk 1:07:33] } 15... Bc8 { [%eval 0.12] [%clk 1:03:41] } 16. e3 { [%eval 0.04] [%clk 1:07:37] } 16... Nd5 { [%eval 0.32] [%clk 0:58:59] } 17. Nc3 { [%eval 0.26] [%clk 0:59:47] } 17... O-O { [%eval 0.23] [%clk 0:59:02] } 18. Nd1?? { [%eval -1.93] } { Blunder. Ne2 was best. } { [%clk 0:56:09] } 18... e5 { [%eval -1.86] [%clk 0:53:33] } 19. dxe5 { [%eval -1.99] [%clk 0:50:05] } 19... Rc6 { [%eval -1.88] [%clk 0:52:41] } 20. b4 { [%eval -1.62] [%clk 0:50:22] } 20... Bh3? { [%eval -0.23] } { Mistake. Nxb4 was best. } { [%clk 0:52:54] } 21. Rxa6?? { [%eval -2.27] } { Blunder. Bxh3 was best. } { [%clk 0:41:20] } 21... Bxg2 { [%eval -2.17] [%clk 0:52:33] } 22. Kxg2 { [%eval -2.11] [%clk 0:41:33] } 22... Nxb4 { [%eval -2.06] [%clk 0:47:05] } 23. Rxc6 { [%eval -2.2] [%clk 0:41:54] } 23... Nxc6 { [%eval -2.21] [%clk 0:47:12] } 24. e4?! { [%eval -2.9] } { Inaccuracy. Ne4 was best. } { [%clk 0:28:45] } 24... Nxe5 { [%eval -2.86] [%clk 0:45:41] } 25. Qc3 { [%eval -3.09] [%clk 0:18:27] } 25... Nc4 { [%eval -3.03] [%clk 0:43:55] } 26. Nd3 { [%eval -3.24] [%clk 0:17:04] } 26... Re8 { [%eval -3.01] [%clk 0:37:58] } 27. Re1 { [%eval -3.08] [%clk 0:15:07] } 27... c5 { [%eval -2.71] [%clk 0:31:18] } 28. Ne3?! { [%eval -3.82] } { Inaccuracy. Qb3 was best. } { [%clk 0:14:03] } 28... Nxe3+ { [%eval -3.76] [%clk 0:22:06] } 29. Rxe3 { [%eval -3.63] [%clk 0:14:22] } 29... c4 { [%eval -3.56] [%clk 0:22:28] } 30. Nf4 { [%eval -3.52] [%clk 0:14:25] } 30... Bc5 { [%eval -3.11] [%clk 0:22:01] } 31. Re2 { [%eval -3.36] [%clk 0:13:55] } 31... Qd4 { [%eval -3.49] [%clk 0:21:16] } 32. Qa5 { [%eval -4.24] [%clk 0:13:26] } 32... b4 { [%eval -4.26] [%clk 0:21:36] } 33. Qa4 { [%eval -5.17] [%clk 0:12:48] } 33... Rb8 { [%eval -5.12] [%clk 0:20:55] } 34. e5 { [%eval -5.05] [%clk 0:12:03] } 34... b3 { [%eval -4.79] [%clk 0:19:53] } 35. e6 { [%eval -5.08] [%clk 0:12:01] } 35... fxe6 { [%eval -5.01] [%clk 0:19:37] } 36. Qa6 { [%eval -5.57] [%clk 0:11:48] } 36... Bd6 { [%eval -5.12] [%clk 0:19:05] } 37. Nxe6 { [%eval -6.31] [%clk 0:09:59] } 37... Qd5+ { [%eval -6.79] [%clk 0:19:00] } 38. f3 { [%eval -6.37] [%clk 0:10:00] } 38... b2 { [%eval -6.47] [%clk 0:19:17] } 39. Rxb2?? { [%eval #-2] } { Checkmate is now unavoidable. Qa7 was best. } { [%clk 0:08:30] } 39... Rxb2+ { [%eval #-1] [%clk 0:19:41] } 0-1