Event: Round 5: Ran Song - Oleg Badmatsyrenov
Date: 2024-02-25
White: Ran Song
WhiteElo: 1961
Black: Oleg Badmatsyrenov
BlackTitle: IM
BlackElo: 2412
Result: 0-1
ECO: A30
Opening: English Opening: Symmetrical Variation, Hedgehog Defense
Variant: Standard

1. Nf3 { [%eval 0.2] [%clk 1:26:58] } 1... c5 { [%eval 0.13] [%clk 1:30:56] } 2. g3 { [%eval 0.0] [%clk 1:27:26] } 2... b6 { [%eval 0.35] [%clk 1:31:19] } 3. Bg2 { [%eval 0.2] [%clk 1:27:53] } 3... Bb7 { [%eval 0.6] [%clk 1:31:46] } 4. O-O { [%eval 0.43] [%clk 1:28:10] } 4... Nf6 { [%eval 0.54] [%clk 1:32:14] } 5. c4 { [%eval 0.4] [%clk 1:26:26] } 5... e6 { [%eval 0.58] [%clk 1:32:41] } 6. Nc3 { [%eval 0.33] [%clk 1:25:27] } 6... Be7 { [%eval 0.35] [%clk 1:33:08] } 7. b3 { [%eval 0.25] [%clk 1:23:07] } 7... O-O { [%eval 0.27] [%clk 1:33:12] } 8. Bb2 { [%eval 0.11] [%clk 1:23:35] } 8... d5 { [%eval 0.08] [%clk 1:33:10] } 9. cxd5 { [%eval 0.14] [%clk 1:16:13] } 9... Nxd5 { [%eval 0.1] [%clk 1:33:38] } 10. Nxd5 { [%eval 0.12] [%clk 1:16:17] } 10... Bxd5 { [%eval 0.05] [%clk 1:34:01] } 11. Qc2 { [%eval 0.04] [%clk 1:14:40] } 11... Nc6 { [%eval 0.04] [%clk 1:32:49] } 12. Rac1 { [%eval -0.07] [%clk 1:12:10] } 12... Rc8 { [%eval 0.14] [%clk 1:32:26] } 13. Rfd1 { [%eval 0.03] [%clk 1:10:45] } 13... Bf6 { [%eval 0.0] [%clk 1:31:42] } 14. Qb1?! { [%eval -0.6] } { Inaccuracy. Bxf6 was best. } { [%clk 0:57:02] } 14... Bxb2 { [%eval -0.39] [%clk 1:31:22] } 15. Qxb2 { [%eval -0.54] [%clk 0:57:31] } 15... Bxf3 { [%eval -0.2] [%clk 1:31:46] } 16. Bxf3 { [%eval -0.26] [%clk 0:57:54] } 16... Nd4 { [%eval -0.34] [%clk 1:32:08] } 17. Rc3 { [%eval -0.42] [%clk 0:54:15] } 17... Qf6 { [%eval -0.53] [%clk 1:32:06] } 18. Qb1 { [%eval -0.59] [%clk 0:54:19] } 18... Rfd8 { [%eval -0.29] [%clk 1:31:42] } 19. Kg2 { [%eval -0.46] [%clk 0:50:55] } 19... a5 { [%eval -0.17] [%clk 1:29:21] } 20. Qe4 { [%eval -0.2] [%clk 0:45:29] } 20... Rc7 { [%eval -0.09] [%clk 1:29:05] } 21. e3 { [%eval -0.12] [%clk 0:42:27] } 21... Nb5 { [%eval 0.22] [%clk 1:29:14] } 22. Rcc1 { [%eval 0.22] [%clk 0:38:56] } 22... e5 { [%eval 0.57] [%clk 1:23:56] } 23. a4?! { [%eval -0.52] } { Inaccuracy. Qa4 was best. } { [%clk 0:35:48] } 23... Nd6 { [%eval -0.56] [%clk 1:23:29] } 24. Qb1 { [%eval -0.65] [%clk 0:35:58] } 24... Re7 { [%eval -0.51] [%clk 1:20:04] } 25. d3 { [%eval -0.63] [%clk 0:35:24] } 25... g6 { [%eval -0.7] [%clk 1:19:59] } 26. Qa1 { [%eval -0.85] [%clk 0:33:38] } 26... Qe6 { [%eval -0.75] [%clk 1:19:39] } 27. Qc3 { [%eval -0.75] [%clk 0:33:09] } 27... h5 { [%eval -0.59] [%clk 1:19:40] } 28. d4 { [%eval -0.55] [%clk 0:30:05] } 28... cxd4 { [%eval -0.61] [%clk 1:19:51] } 29. exd4 { [%eval -0.65] [%clk 0:30:34] } 29... e4 { [%eval -0.69] [%clk 1:20:15] } 30. Be2 { [%eval -0.61] [%clk 0:30:43] } 30... Qd5 { [%eval -0.55] [%clk 1:08:07] } 31. Qc6 { [%eval -0.57] [%clk 0:27:58] } 31... Qxb3 { [%eval -0.53] [%clk 1:02:47] } 32. Rb1 { [%eval -0.73] [%clk 0:28:21] } 32... Qa2 { [%eval -0.68] [%clk 1:03:14] } 33. Qxb6 { [%eval -0.66] [%clk 0:28:26] } 33... Ree8 { [%eval -0.78] [%clk 1:03:35] } 34. Kf1?! { [%eval -1.85] } { Inaccuracy. Qb2 was best. } { [%clk 0:24:51] } 34... Qxa4?! { [%eval -1.05] } { Inaccuracy. Rb8 was best. } { [%clk 0:58:46] } 35. Ra1 { [%eval -1.35] [%clk 0:24:45] } 35... Qc2 { [%eval -0.84] [%clk 0:57:17] } 36. Rdc1 { [%eval -0.84] [%clk 0:19:22] } 36... Qd2 { [%eval -0.89] [%clk 0:57:15] } 37. Rd1 { [%eval -0.82] [%clk 0:19:51] } 37... Qh6 { [%eval -0.85] [%clk 0:55:54] } 38. Rxa5 { [%eval -0.88] [%clk 0:18:52] } 38... h4 { [%eval -0.78] [%clk 0:54:54] } 39. Kg2 { [%eval -0.76] [%clk 0:17:01] } 39... h3+ { [%eval -0.61] [%clk 0:55:21] } 40. Kf1 { [%eval -0.5] [%clk 0:17:15] } 40... e3 { [%eval -0.63] [%clk 0:55:11] } 41. Re5 { [%eval -0.52] [%clk 0:16:15] } 41... exf2 { [%eval -0.6] [%clk 0:54:27] } 42. Kxf2 { [%eval -0.71] [%clk 0:14:46] } 42... f6 { [%eval -0.28] [%clk 0:46:30] } 43. Qb3+ { [%eval -0.32] [%clk 0:07:42] } 43... Kg7 { [%eval -0.18] [%clk 0:46:51] } 44. Rxe8 { [%eval -0.29] [%clk 0:07:36] } 44... Rxe8 { [%eval -0.37] [%clk 0:46:57] } 45. Bf3 { [%eval -0.37] [%clk 0:07:33] } 45... Qg5 { [%eval -0.43] [%clk 0:46:10] } 46. Qd3 { [%eval -0.42] [%clk 0:05:36] } 46... Qa5 { [%eval -0.37] [%clk 0:45:56] } 47. Kf1?! { [%eval -0.96] } { Inaccuracy. Qd2 was best. } { [%clk 0:02:20] } 47... Nf5 { [%eval -0.9] [%clk 0:43:25] } 48. Be4 { [%eval -0.85] [%clk 0:02:43] } 48... Qa2 { [%eval -0.52] [%clk 0:43:38] } 49. Rd2 { [%eval -0.51] [%clk 0:02:10] } 49... Qa1+ { [%eval -0.53] [%clk 0:44:03] } 50. Kf2 { [%eval -0.57] [%clk 0:02:35] } 50... Nh6 { [%eval -0.35] [%clk 0:42:49] } 51. Rd1?? { [%eval -5.31] } { Blunder. Bxg6 was best. } { [%clk 0:01:57] } 51... Ng4+ { [%eval -5.03] [%clk 0:41:09] } 52. Kg1 { [%eval -5.05] [%clk 0:00:57] } 52... Qb2 { [%eval -5.4] [%clk 0:41:32] } 53. Rd2 { [%eval -5.34] [%clk 0:01:00] } 53... Qa1+ { [%eval -4.93] [%clk 0:36:28] } 54. Rd1 { [%eval -4.88] [%clk 0:01:26] } 54... Qa2 { [%eval -4.78] [%clk 0:36:52] } 55. Rd2 { [%eval -5.93] [%clk 0:01:37] } 55... Qa5 { [%eval -5.69] [%clk 0:37:17] } 56. Rd1 { [%eval -5.6] [%clk 0:00:52] } 56... f5 { [%eval -5.05] [%clk 0:37:06] } 57. Qb3? { [%eval -37.58] } { Mistake. Bg2 was best. } { [%clk 0:00:36] } 57... Rxe4 { [%eval #-13] [%clk 0:37:08] } 58. Qb7+?? { [%eval #-8] } { Checkmate is now unavoidable. Kf1 was best. } { [%clk 0:00:32] } 58... Kh6 { [%eval #-7] [%clk 0:37:28] } 59. Qb1 { [%eval #-7] [%clk 0:00:46] } 59... Qc3?? { [%eval -6.89] } { Lost forced checkmate sequence. Re2 was best. } { [%clk 0:37:20] } 0-1