Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-17
White: Oestmann, Lukas
WhiteElo: 2007
Black: Kumbharathi, Vedansh
BlackElo: 1931
Result: 0-1
ECO: B93
Opening: Sicilian Defense: Najdorf Variation, Amsterdam Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:58] } 1... c5 { [%eval 0.25] [%clk 1:40:42] } 2. Nf3 { [%eval 0.2] [%clk 1:41:18] } 2... d6 { [%eval 0.31] [%clk 1:41:10] } 3. d4 { [%eval 0.22] [%clk 1:41:39] } 3... cxd4 { [%eval 0.19] [%clk 1:41:19] } 4. Nxd4 { [%eval 0.18] [%clk 1:42:02] } 4... Nf6 { [%eval 0.31] [%clk 1:41:42] } 5. Nc3 { [%eval 0.32] [%clk 1:42:06] } 5... a6 { [%eval 0.28] [%clk 1:42:10] } 6. f4 { [%eval 0.0] [%clk 1:42:11] } 6... e5 { [%eval 0.1] [%clk 1:41:45] } 7. Nf3 { [%eval 0.0] [%clk 1:42:38] } 7... Nbd7 { [%eval 0.0] [%clk 1:41:38] } 8. a4 { [%eval 0.05] [%clk 1:43:00] } 8... Be7 { [%eval 0.11] [%clk 1:40:21] } 9. Bd3 { [%eval 0.0] [%clk 1:42:51] } 9... Qc7 { [%eval 0.0] [%clk 1:39:02] } 10. O-O { [%eval 0.06] [%clk 1:43:11] } 10... O-O { [%eval -0.07] [%clk 1:38:19] } 11. Kh1 { [%eval 0.0] [%clk 1:43:38] } 11... Nc5 { [%eval 0.1] [%clk 1:36:50] } 12. Qe1 { [%eval -0.06] [%clk 1:43:25] } 12... Nxd3 { [%eval 0.2] [%clk 1:35:18] } 13. cxd3 { [%eval 0.2] [%clk 1:42:31] } 13... exf4 { [%eval 0.38] [%clk 1:22:30] } 14. Bxf4 { [%eval 0.41] [%clk 1:38:35] } 14... Bd7 { [%eval 0.62] [%clk 1:18:47] } 15. Nd2 { [%eval 0.27] [%clk 1:31:35] } 15... b5 { [%eval 0.29] [%clk 1:13:14] } 16. Bg5 { [%eval 0.05] [%clk 1:30:33] } 16... Be6 { [%eval 0.09] [%clk 1:07:32] } 17. Rc1 { [%eval 0.19] [%clk 1:19:54] } 17... Qb6 { [%eval 0.11] [%clk 1:03:42] } 18. Be3 { [%eval 0.13] [%clk 1:08:04] } 18... Qb7 { [%eval 0.11] [%clk 1:02:49] } 19. axb5 { [%eval 0.08] [%clk 0:55:20] } 19... axb5 { [%eval 0.12] [%clk 1:02:44] } 20. Bg5 { [%eval -0.08] [%clk 0:52:24] } 20... h6 { [%eval -0.19] [%clk 0:58:54] } 21. Bh4 { [%eval -0.18] [%clk 0:50:12] } 21... Rfc8 { [%eval -0.15] [%clk 0:47:26] } 22. Bg3? { [%eval -1.36] } { Mistake. Nf3 was best. } { [%clk 0:41:40] } 22... b4 { [%eval -0.95] [%clk 0:54:48] } 23. Ne2 { [%eval -0.96] [%clk 0:37:38] } 23... Rxc1 { [%eval -0.99] [%clk 0:51:24] } 24. Qxc1 { [%eval -1.01] [%clk 0:34:59] } 24... Rc8 { [%eval -0.92] [%clk 0:50:38] } 25. Qb1 { [%eval -0.91] [%clk 0:37:35] } 25... Nh5 { [%eval -1.0] [%clk 0:48:10] } 26. Be1 { [%eval -1.13] [%clk 0:24:33] } 26... Qc7?! { [%eval -0.19] } { Inaccuracy. Qb6 was best. } { [%clk 0:42:45] } 27. d4?? { [%eval -2.35] } { Blunder. Nd4 was best. } { [%clk 0:17:47] } 27... Bg4 { [%eval -1.9] [%clk 0:36:11] } 28. Ng3?! { [%eval -3.11] } { Inaccuracy. Ng1 was best. } { [%clk 0:17:04] } 28... Nxg3+ { [%eval -2.97] [%clk 0:34:29] } 29. Bxg3 { [%eval -3.2] [%clk 0:26:18] } 29... Qc2 { [%eval -3.33] [%clk 0:27:59] } 30. Nf3 { [%eval -3.09] [%clk 0:18:56] } 30... b3 { [%eval -3.12] [%clk 0:30:54] } 31. Qxc2 { [%eval -3.31] [%clk 0:14:10] } 31... Rxc2 { [%eval -3.37] [%clk 0:30:38] } 32. Rb1 { [%eval -3.27] [%clk 0:14:17] } 32... Bh5 { [%eval -3.11] [%clk 0:29:41] } 33. Be1?! { [%eval -4.46] } { Inaccuracy. h3 was best. } { [%clk 0:13:14] } 33... Bg6 { [%eval -4.46] [%clk 0:26:57] } 34. Bc3 { [%eval -4.54] [%clk 0:12:03] } 34... Bxe4 { [%eval -4.32] [%clk 0:25:49] } 35. Re1 { [%eval -4.57] [%clk 0:12:27] } 35... d5 { [%eval -4.03] [%clk 0:25:23] } 36. Nd2 { [%eval -4.0] [%clk 0:12:51] } 36... Ba3 { [%eval -4.02] [%clk 0:22:11] } 37. Nxe4 { [%eval -4.12] [%clk 0:06:54] } 37... dxe4 { [%eval -4.21] [%clk 0:22:34] } 38. Rb1 { [%eval -4.2] [%clk 0:07:10] } 38... Bd6 { [%eval -3.88] [%clk 0:22:05] } 39. g3 { [%eval -4.34] [%clk 0:07:01] } 39... f6 { [%eval -3.65] [%clk 0:20:35] } 40. Re1 { [%eval -4.42] [%clk 0:06:37] } 40... f5 { [%eval -4.29] [%clk 0:20:30] } 41. Ra1 { [%eval -5.08] [%clk 0:06:01] } 41... e3 { [%eval -5.02] [%clk 0:19:13] } 42. Re1 { [%eval -5.24] [%clk 0:03:50] } 42... f4 { [%eval -5.19] [%clk 0:17:55] } 43. gxf4 { [%eval -5.06] [%clk 0:27:58] } 43... Bxf4 { [%eval -5.07] [%clk 0:16:53] } 44. h3 { [%eval -5.15] [%clk 0:27:30] } 44... g5 { [%eval -4.9] [%clk 0:47:19] } 45. Ra1 { [%eval -5.98] [%clk 0:26:47] } 45... e2 { [%eval -5.7] [%clk 0:44:14] } 46. Kg1? { [%eval -13.31] } { Mistake. Be1 was best. } { [%clk 0:26:41] } 46... Be3+ { [%eval -11.0] [%clk 0:43:55] } 47. Kh1 { [%eval -9.35] [%clk 0:25:17] } 47... Rxc3 { [%eval -8.43] [%clk 0:43:07] } 0-1