Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-15
White: Leonov, Leonid
WhiteElo: 2089
Black: Avaria, Diego
BlackElo: 1958
Result: 1-0
ECO: C41
Opening: Philidor Defense: Lion Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:50] } 1... e5 { [%eval 0.22] [%clk 1:40:57] } 2. Nf3 { [%eval 0.13] [%clk 1:41:16] } 2... d6 { [%eval 0.48] [%clk 1:41:22] } 3. d4 { [%eval 0.58] [%clk 1:41:43] } 3... Nf6 { [%eval 0.71] [%clk 1:41:16] } 4. Nc3 { [%eval 0.46] [%clk 1:42:04] } 4... Nbd7 { [%eval 0.44] [%clk 1:42:11] } 5. Bd3 { [%eval 0.26] [%clk 1:42:00] } 5... Be7 { [%eval 0.37] [%clk 1:41:34] } 6. h3 { [%eval 0.37] [%clk 1:41:33] } 6... O-O { [%eval 0.36] [%clk 1:42:30] } 7. Be3 { [%eval 0.27] [%clk 1:42:00] } 7... c6 { [%eval 0.31] [%clk 1:41:42] } 8. a4 { [%eval 0.39] [%clk 1:42:24] } 8... b6 { [%eval 0.71] [%clk 1:40:57] } 9. O-O { [%eval 0.5] [%clk 1:40:46] } 9... Bb7 { [%eval 0.65] [%clk 1:31:40] } 10. a5 { [%eval 0.54] [%clk 1:32:45] } 10... bxa5 { [%eval 0.56] [%clk 1:33:50] } 11. Re1 { [%eval 0.5] [%clk 1:31:54] } 11... Qc7 { [%eval 0.6] [%clk 1:23:14] } 12. Qd2 { [%eval 0.27] [%clk 1:22:56] } 12... a6 { [%eval 0.47] [%clk 1:22:02] } 13. dxe5 { [%eval 0.5] [%clk 1:20:24] } 13... dxe5 { [%eval 0.6] [%clk 1:19:47] } 14. Ne2?! { [%eval -0.17] } { Inaccuracy. Nh4 was best. } { [%clk 1:14:18] } 14... Bb4?! { [%eval 0.57] } { Inaccuracy. c5 was best. } { [%clk 1:24:18] } 15. c3 { [%eval 0.55] [%clk 1:11:00] } 15... Be7 { [%eval 0.51] [%clk 1:21:17] } 16. Ng3 { [%eval 0.67] [%clk 1:02:41] } 16... Nc5 { [%eval 0.94] [%clk 1:20:10] } 17. Bc2?! { [%eval 0.27] } { Inaccuracy. Bxc5 was best. } { [%clk 0:59:11] } 17... Rfd8 { [%eval 0.26] [%clk 1:10:54] } 18. Qe2 { [%eval 0.25] [%clk 0:44:16] } 18... Bc8 { [%eval 0.22] [%clk 0:59:56] } 19. Nh4 { [%eval -0.29] [%clk 0:34:29] } 19... Be6?! { [%eval 0.35] } { Inaccuracy. g6 was best. } { [%clk 0:53:53] } 20. Nhf5 { [%eval 0.45] [%clk 0:54:48] } 20... Bf8 { [%eval 0.43] [%clk 0:36:50] } 21. Bg5 { [%eval 0.45] [%clk 0:47:20] } 21... Ncd7 { [%eval 0.46] [%clk 0:27:11] } 22. Nh5 { [%eval 0.58] [%clk 0:37:38] } 22... Rdb8 { [%eval 0.96] [%clk 0:23:05] } 23. Bxf6 { [%eval 1.07] [%clk 0:25:44] } 23... Nxf6 { [%eval 0.98] [%clk 0:34:30] } 24. Nxf6+ { [%eval 0.94] [%clk 0:25:54] } 24... gxf6 { [%eval 1.03] [%clk 0:33:54] } 25. Qg4+ { [%eval 0.95] [%clk 0:25:10] } 25... Kh8 { [%eval 0.82] [%clk 0:31:32] } 26. Qh5?! { [%eval -0.26] } { Inaccuracy. b3 was best. } { [%clk 0:19:42] } 26... Rxb2 { [%eval -0.29] [%clk 0:27:47] } 27. Bd3 { [%eval -0.6] [%clk 0:09:34] } 27... Bc5 { [%eval -0.29] [%clk 0:23:04] } 28. Qh6 { [%eval -0.62] [%clk 0:05:38] } 28... Bxf2+ { [%eval -0.66] [%clk 0:14:40] } 29. Kh1 { [%eval -0.58] [%clk 0:14:05] } 29... Bxf5 { [%eval -0.68] [%clk 0:14:54] } 30. Qxf6+ { [%eval -0.48] [%clk 0:14:29] } 30... Kg8 { [%eval -0.58] [%clk 0:14:01] } 31. exf5 { [%eval -0.47] [%clk 0:08:04] } 31... Qd8 { [%eval -0.32] [%clk 0:08:11] } 32. Qh6 { [%eval -0.32] [%clk 0:06:51] } 32... Qxd3 { [%eval 0.0] [%clk 0:03:09] } 33. Qg5+ { [%eval 0.0] [%clk 0:05:38] } 33... Kh8 { [%eval 0.0] [%clk 0:02:18] } 34. Qf6+ { [%eval 0.0] [%clk 0:12:49] } 34... Kg8 { [%eval 0.0] [%clk 0:02:42] } 35. Rad1?? { [%eval -4.62] } { Blunder. Qg5+ was best. } { [%clk 0:11:50] } 35... Qg3 { [%eval -4.22] [%clk 0:02:19] } 36. Qxc6 { [%eval -4.98] [%clk 0:10:47] } 36... Rf8 { [%eval -4.85] [%clk 0:00:49] } 37. Re4 { [%eval -5.7] [%clk 0:04:43] } 37... f6?? { [%eval 4.04] } { Blunder. h5 was best. } { [%clk 0:00:15] } 38. Qe6+? { [%eval 2.39] } { Mistake. Rg4+ was best. } { [%clk 0:04:03] } 38... Kh8?! { [%eval 3.3] } { Inaccuracy. Kg7 was best. } { [%clk 0:01:15] } 39. Rg4 { [%eval 3.07] [%clk 0:03:40] } 39... Qe3?? { [%eval #3] } { Checkmate is now unavoidable. Rbb8 was best. } { [%clk 0:01:23] } 40. Qxf6+ { [%clk 0:04:48] } 40... Rxf6 { [%clk 0:01:47] } 41. Rd8+ { [%clk 0:05:16] } 1-0