Event: Biel Chess Festival MTO
Site: Biel, Switzerland
Date: 2024-07-16
White: Demchenko, Svitlana
WhiteTitle: WIM
WhiteElo: 2176
Black: Chen, Muxi
BlackElo: 2030
Result: 0-1
ECO: B22
Opening: Sicilian Defense: Alapin Variation, Barmen Defense
Variant: Standard
TimeControl: 100'/40, fb 50'/20, fb 15' + 30''/mv

1. e4 { [%eval 0.15] [%clk 1:40:55] } 1... c5 { [%eval 0.25] [%clk 1:40:12] } 2. c3 { [%eval 0.07] [%clk 1:41:16] } 2... d5 { [%eval 0.16] [%clk 1:39:26] } 3. exd5 { [%eval 0.12] [%clk 1:41:37] } 3... Qxd5 { [%eval 0.19] [%clk 1:39:53] } 4. d4 { [%eval 0.17] [%clk 1:41:53] } 4... g6 { [%eval 0.22] [%clk 1:39:47] } 5. dxc5 { [%eval 0.1] [%clk 1:41:50] } 5... Qxc5 { [%eval 0.19] [%clk 1:37:55] } 6. Be3 { [%eval 0.0] [%clk 1:42:09] } 6... Qa5 { [%eval 0.12] [%clk 1:30:23] } 7. Na3 { [%eval 0.0] [%clk 1:31:19] } 7... Bg7 { [%eval 0.2] [%clk 1:21:29] } 8. Nb5 { [%eval -0.02] [%clk 1:21:52] } 8... Bd7 { [%eval -0.03] [%clk 1:18:23] } 9. Qb3 { [%eval -0.5] [%clk 1:13:27] } 9... a6 { [%eval -0.08] [%clk 0:54:57] } 10. Nd4 { [%eval -0.11] [%clk 1:10:21] } 10... Qc7 { [%eval 0.0] [%clk 0:52:10] } 11. Bc4 { [%eval 0.0] [%clk 0:55:47] } 11... e6 { [%eval -0.13] [%clk 0:52:25] } 12. O-O-O { [%eval -0.21] [%clk 0:53:34] } 12... Nc6 { [%eval 0.0] [%clk 0:43:20] } 13. Nxc6 { [%eval -0.15] [%clk 0:46:37] } 13... Bxc6 { [%eval -0.21] [%clk 0:43:31] } 14. Nf3 { [%eval -0.28] [%clk 0:44:42] } 14... Ne7 { [%eval 0.0] [%clk 0:38:11] } 15. Rhe1?! { [%eval -0.62] } { Inaccuracy. Bb6 was best. } { [%clk 0:34:09] } 15... O-O { [%eval -0.82] [%clk 0:35:31] } 16. Bb6 { [%eval -1.34] [%clk 0:19:32] } 16... Qf4+ { [%eval -1.37] [%clk 0:33:25] } 17. Be3 { [%eval -1.4] [%clk 0:19:48] } 17... Qc7 { [%eval -0.93] [%clk 0:30:49] } 18. Bb6 { [%eval -1.25] [%clk 0:12:02] } 18... Qf4+ { [%eval -1.32] [%clk 0:31:12] } 19. Kb1?! { [%eval -2.35] } { Inaccuracy. Be3 was best. } { [%clk 0:12:20] } 19... Nd5? { [%eval -0.95] } { Mistake. Rac8 was best. } { [%clk 0:26:01] } 20. Bd4 { [%eval -1.0] [%clk 0:10:59] } 20... b5 { [%eval -0.78] [%clk 0:24:31] } 21. Bd3 { [%eval -1.34] [%clk 0:10:39] } 21... Bxd4 { [%eval -1.11] [%clk 0:22:16] } 22. Nxd4 { [%eval -1.08] [%clk 0:10:21] } 22... Bb7 { [%eval -1.16] [%clk 0:22:31] } 23. Re2?! { [%eval -1.87] } { Inaccuracy. Qc2 was best. } { [%clk 0:03:54] } 23... Qxh2 { [%eval -1.84] [%clk 0:17:02] } 24. g3 { [%eval -1.76] [%clk 0:04:07] } 24... Nb6?! { [%eval -1.03] } { Inaccuracy. Qh5 was best. } { [%clk 0:16:26] } 25. Qc2 { [%eval -1.1] [%clk 0:02:46] } 25... Qh5 { [%eval -0.75] [%clk 0:13:16] } 26. Be4 { [%eval -1.1] [%clk 0:02:45] } 26... Bxe4 { [%eval -1.13] [%clk 0:10:03] } 27. Qxe4 { [%eval -1.21] [%clk 0:03:14] } 27... Qd5 { [%eval -1.16] [%clk 0:09:28] } 28. Qh4? { [%eval -2.41] } { Mistake. Qf4 was best. } { [%clk 0:02:14] } 28... e5 { [%eval -2.46] [%clk 0:07:13] } 29. Rh1 { [%eval -2.39] [%clk 0:02:38] } 29... h5 { [%eval -2.34] [%clk 0:07:26] } 30. Nc2 { [%eval -2.37] [%clk 0:02:44] } 30... Kg7 { [%eval -2.03] [%clk 0:07:07] } 31. Nb4 { [%eval -2.37] [%clk 0:01:24] } 31... Qd6 { [%eval -1.9] [%clk 0:06:08] } 32. Rhe1?! { [%eval -2.88] } { Inaccuracy. Qe4 was best. } { [%clk 0:01:00] } 32... a5 { [%eval -2.43] [%clk 0:05:56] } 33. Nc2 { [%eval -2.36] [%clk 0:01:13] } 33... Nc4 { [%eval -2.24] [%clk 0:03:55] } 34. Qh1? { [%eval -4.22] } { Mistake. Kc1 was best. } { [%clk 0:01:05] } 34... Rad8? { [%eval -2.33] } { Mistake. b4 was best. } { [%clk 0:03:34] } 35. b3 { [%eval -2.12] [%clk 0:00:51] } 35... Na3+ { [%eval -1.87] [%clk 0:03:03] } 36. Nxa3 { [%eval -1.78] [%clk 0:00:45] } 36... Qxa3 { [%eval -1.57] [%clk 0:03:29] } 37. Qe4?! { [%eval -2.35] } { Inaccuracy. Qc6 was best. } { [%clk 0:01:05] } 37... Rfe8 { [%eval -2.34] [%clk 0:03:35] } 38. Qc6?! { [%eval -3.32] } { Inaccuracy. Rc1 was best. } { [%clk 0:00:54] } 38... a4 { [%eval -3.07] [%clk 0:02:43] } 39. Rb2 { [%eval -2.98] [%clk 0:00:34] } 39... axb3 { [%eval -3.08] [%clk 0:01:34] } 40. Rxb3 { [%eval -3.15] [%clk 0:00:37] } 40... Qa7 { [%eval -3.17] [%clk 0:01:27] } 41. Rb2 { [%eval -3.18] [%clk 0:48:14] } 41... Qa4 { [%eval -2.83] [%clk 0:34:22] } 42. Rc1 { [%eval -2.81] [%clk 0:44:01] } 42... Rc8 { [%eval -2.61] [%clk 0:26:52] } 43. Qd5 { [%eval -2.79] [%clk 0:40:27] } 43... Qg4 { [%eval -2.68] [%clk 0:22:35] } 44. Ka1 { [%eval -2.68] [%clk 0:35:41] } 44... Qg5 { [%eval -2.56] [%clk 0:21:02] } 45. Rbc2 { [%eval -2.9] [%clk 0:30:27] } 45... Rb8 { [%eval -2.77] [%clk 0:20:07] } 46. Rb1 { [%eval -2.96] [%clk 0:29:11] } 46... Qf5 { [%eval -2.63] [%clk 0:19:01] } 47. Rcb2?! { [%eval -3.78] } { Inaccuracy. Re2 was best. } { [%clk 0:20:21] } 47... Red8 { [%eval -3.7] [%clk 0:12:32] } 48. Qc5 { [%eval -3.77] [%clk 0:13:42] } 48... Rbc8 { [%eval -3.72] [%clk 0:11:02] } 49. Qxb5 { [%eval -3.8] [%clk 0:10:38] } 49... Rxc3 { [%eval -3.79] [%clk 0:11:12] } 50. Re2 { [%eval -3.77] [%clk 0:11:02] } 50... Rf3 { [%eval -3.64] [%clk 0:07:39] } 51. Qc5 { [%eval -4.08] [%clk 0:07:21] } 51... Rd7 { [%eval -4.07] [%clk 0:03:32] } 52. Rbe1 { [%eval -4.05] [%clk 0:05:23] } 52... f6 { [%eval -3.51] [%clk 0:03:38] } 53. Rb2 { [%eval -3.54] [%clk 0:03:34] } 53... Rfd3 { [%eval -3.58] [%clk 0:02:48] } 54. Rc1 { [%eval -3.5] [%clk 0:03:05] } 54... Rd1 { [%eval -3.43] [%clk 0:02:35] } 55. Rc2 { [%eval -3.82] [%clk 0:01:47] } 55... Qd3 { [%eval -3.64] [%clk 0:01:29] } 56. Rc3 { [%eval -3.96] [%clk 0:00:52] } 56... Rxc1+ { [%eval -4.01] [%clk 0:01:38] } 57. Rxc1 { [%eval -3.88] [%clk 0:01:21] } 57... Qa6?! { [%eval -3.04] } { Inaccuracy. g5 was best. } { [%clk 0:01:21] } 58. f4? { [%eval -4.92] } { Mistake. Rc4 was best. } { [%clk 0:00:51] } 58... exf4 { [%eval -4.85] [%clk 0:01:13] } 59. gxf4 { [%eval -4.74] [%clk 0:01:14] } 59... Qa4 { [%eval -4.67] [%clk 0:01:18] } 60. f5 { [%eval -5.39] [%clk 0:00:46] } 60... g5 { [%eval -5.19] [%clk 0:01:24] } 61. Re1 { [%eval -5.37] [%clk 0:00:35] } 61... Qd4+ { [%eval -5.47] [%clk 0:13:09] } 62. Qxd4 { [%eval -5.47] [%clk 0:15:59] } 62... Rxd4 { [%eval -5.39] [%clk 0:13:36] } 63. Re7+ { [%eval -5.4] [%clk 0:16:16] } 63... Kg8 { [%eval -5.09] [%clk 0:12:55] } 64. Ra7 { [%eval -5.85] [%clk 0:11:55] } 64... h4 { [%eval -5.64] [%clk 0:11:30] } 65. Ra8+ { [%eval -5.73] [%clk 0:12:03] } 65... Kg7 { [%eval -5.53] [%clk 0:09:44] } 66. Ra7+ { [%eval -5.5] [%clk 0:12:27] } 66... Kh6 { [%clk 0:09:55] } 67. Ra6 { [%clk 0:12:53] } 67... g4 { [%clk 0:08:44] } 68. Rxf6+ { [%clk 0:13:14] } 68... Kg5 { [%clk 0:08:57] } 69. Rf8 { [%clk 0:13:39] } 69... Rf4 { [%clk 0:08:44] } 70. Kb2 { [%clk 0:12:48] } 70... Rxf5 { [%clk 0:08:41] } 0-1