Event: Biel Chess Festival 2025
Date: 2025-07-16
White: Hasini Kamabathula
WhiteElo: 1624
Black: Schaefer, Gion
BlackElo: 1812
Result: 1-0
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:55] } 1... c5 { [%eval 0.25] [%clk 1:30:51] } 2. Nf3 { [%eval 0.2] [%clk 1:31:19] } 2... e6 { [%eval 0.28] [%clk 1:30:41] } 3. d4 { [%eval 0.4] [%clk 1:31:42] } 3... cxd4 { [%eval 0.29] [%clk 1:31:01] } 4. Nxd4 { [%eval 0.23] [%clk 1:32:07] } 4... Nf6 { [%eval 0.29] [%clk 1:31:16] } 5. Nc3 { [%eval 0.31] [%clk 1:32:32] } 5... Nc6 { [%eval 0.35] [%clk 1:31:31] } 6. Be3 { [%eval 0.0] [%clk 1:32:34] } 6... Bb4 { [%eval 0.0] [%clk 1:31:18] } 7. f3 { [%eval -0.25] [%clk 1:31:59] } 7... d5 { [%eval -0.25] [%clk 1:31:12] } 8. Nxc6 { [%eval -0.54] [%clk 1:30:52] } 8... bxc6 { [%eval -0.56] [%clk 1:31:08] } 9. e5 { [%eval -0.73] [%clk 1:28:10] } 9... Nd7 { [%eval -0.68] [%clk 1:28:23] } 10. f4 { [%eval -0.77] [%clk 1:28:17] } 10... c5 { [%eval -0.54] [%clk 1:27:57] } 11. Bd2 { [%eval -0.44] [%clk 1:28:30] } 11... Bxc3 { [%eval -0.29] [%clk 1:25:10] } 12. Bxc3 { [%eval -0.69] [%clk 1:28:43] } 12... d4 { [%eval -0.28] [%clk 1:25:24] } 13. Bd2 { [%eval -0.33] [%clk 1:29:05] } 13... Nxe5?? { [%eval 2.53] } { Blunder. O-O was best. } { [%clk 1:25:37] } 14. fxe5 { [%eval 2.49] [%clk 1:14:50] } 14... Qh4+ { [%eval 2.54] [%clk 1:24:12] } 15. Ke2?? { [%eval 0.0] } { Blunder. g3 was best. } { [%clk 1:14:39] } 15... Ba6+ { [%eval 0.0] [%clk 1:24:27] } 16. Kf3 { [%eval 0.0] [%clk 1:15:02] } 16... Bb7+ { [%eval 0.0] [%clk 1:24:06] } 17. Ke2 { [%eval 0.0] [%clk 1:15:14] } 17... Rd8?? { [%eval 2.39] } { Blunder. Ba6+ was best. } { [%clk 1:16:09] } 18. Qe1 { [%eval 2.3] [%clk 0:56:31] } 18... Qh5+ { [%eval 2.29] [%clk 1:08:02] } 19. Kf2 { [%eval 1.94] [%clk 0:56:49] } 19... Rd5?! { [%eval 2.81] } { Inaccuracy. O-O was best. } { [%clk 1:07:34] } 20. Qe2 { [%eval 2.58] [%clk 0:51:27] } 20... Qf5+ { [%eval 2.59] [%clk 1:05:21] } 21. Kg1 { [%eval 2.32] [%clk 0:50:35] } 21... d3? { [%eval 3.8] } { Mistake. Qxc2 was best. } { [%clk 0:58:06] } 22. cxd3 { [%eval 3.82] [%clk 0:48:40] } 22... Rxe5 { [%eval 3.74] [%clk 0:57:55] } 23. Qf2 { [%eval 3.81] [%clk 0:45:26] } 23... Qg6 { [%eval 4.12] [%clk 0:56:14] } 24. d4 { [%eval 3.71] [%clk 0:43:51] } 24... Rf5 { [%eval 3.66] [%clk 0:53:49] } 25. Bb5+ { [%eval 3.44] [%clk 0:36:43] } 25... Ke7 { [%eval 3.53] [%clk 0:52:48] } 26. Qe2?! { [%eval 2.77] } { Inaccuracy. Qg3 was best. } { [%clk 0:35:59] } 26... Rd8 { [%eval 3.39] [%clk 0:44:50] } 27. Bd3 { [%eval 3.24] [%clk 0:31:27] } 27... Rxd4 { [%eval 3.92] [%clk 0:41:31] } 28. Bxf5 { [%eval 3.8] [%clk 0:22:06] } 28... Qxf5 { [%eval 3.77] [%clk 0:41:51] } 29. Rf1 { [%eval 3.48] [%clk 0:21:26] } 29... Qg6 { [%eval 3.5] [%clk 0:40:53] } 30. Be3?? { [%eval 0.0] } { Blunder. Rf2 was best. } { [%clk 0:19:52] } 30... Rg4?? { [%eval 4.0] } { Blunder. Bxg2 was best. } { [%clk 0:38:18] } 31. Bxc5+ { [%eval 4.13] [%clk 0:19:29] } 31... Kd8 { [%eval 3.96] [%clk 0:38:29] } 32. Rd1+ { [%eval 4.12] [%clk 0:15:53] } 32... Kc8 { [%eval 4.16] [%clk 0:37:30] } 33. g3 { [%eval 4.15] [%clk 0:12:49] } 33... Rxg3+ { [%eval 4.19] [%clk 0:30:35] } 34. hxg3 { [%eval 4.36] [%clk 0:12:49] } 34... Qxg3+ { [%eval 4.17] [%clk 0:30:58] } 35. Kf1 { [%eval 4.03] [%clk 0:13:12] } 35... Bxh1 { [%eval 4.23] [%clk 0:31:00] } 36. Bf2 { [%eval 3.91] [%clk 0:09:27] } 36... Qc7 { [%eval 4.26] [%clk 0:27:52] } 37. Be3 { [%eval 4.38] [%clk 0:08:02] } 37... Qb7 { [%eval 4.86] [%clk 0:25:01] } 38. Qc4+ { [%eval 4.87] [%clk 0:03:08] } 38... Qc7 { [%eval 4.72] [%clk 0:24:06] } 39. Qa4 { [%eval 4.98] [%clk 0:00:39] } 39... Bc6 { [%eval 4.82] [%clk 0:23:11] } 40. Qb4 { [%eval 4.62] [%clk 0:00:34] } 40... Qe5 { [%eval 4.92] [%clk 0:18:54] } 41. Qf8+ { [%eval 4.91] [%clk 0:00:33] } 41... Kb7 { [%eval 4.98] [%clk 0:16:49] } 42. Qxf7+ { [%eval 4.66] [%clk 0:00:35] } 42... Kc8 { [%eval 5.34] [%clk 0:16:25] } 43. Qf8+ { [%eval 5.25] [%clk 0:00:43] } 43... Kb7 { [%eval 5.12] [%clk 0:16:02] } 44. Qe7+ { [%eval 5.22] [%clk 0:01:05] } 44... Qc7 { [%eval 5.16] [%clk 0:15:57] } 45. Qb4+ { [%eval 5.06] [%clk 0:00:36] } 45... Ka8 { [%eval 5.32] [%clk 0:15:41] } 46. Bf4 { [%eval 4.43] [%clk 0:29:34] } 46... Qc8?! { [%eval 6.26] } { Inaccuracy. Qb6 was best. } { [%clk 0:45:38] } 47. Qa5 { [%eval 6.01] [%clk 0:28:05] } 47... Bd5 { [%eval 6.69] [%clk 0:45:03] } 48. Rc1? { [%eval 4.08] } { Mistake. Ke1 was best. } { [%clk 0:24:27] } 48... Qf8 { [%eval 3.86] [%clk 0:43:53] } 49. Qb4 { [%eval 3.8] [%clk 0:19:40] } 49... Qxb4 { [%eval 3.72] [%clk 0:42:47] } 50. Rc8+ { [%eval 3.95] [%clk 0:20:05] } 50... Kb7 { [%eval 3.71] [%clk 0:42:59] } 51. Rb8+ { [%eval 3.75] [%clk 0:20:31] } 51... Kc6 { [%eval 4.15] [%clk 0:43:08] } 52. Rxb4 { [%eval 4.01] [%clk 0:20:58] } 52... Bxa2 { [%eval 3.85] [%clk 0:43:26] } 53. Ra4 { [%eval 3.64] [%clk 0:21:22] } 53... Bb1 { [%eval 4.2] [%clk 0:41:39] } 54. Rxa7 { [%eval 4.07] [%clk 0:21:46] } 54... Kd5 { [%eval 4.44] [%clk 0:41:50] } 55. Rxg7 { [%eval 4.35] [%clk 0:21:57] } 55... e5 { [%eval 4.63] [%clk 0:42:08] } 56. Rg5 { [%eval 4.52] [%clk 0:21:52] } 1-0