Event: Round 7: Klaus Opl - Yanfeng An
Date: 2023-09-26
White: Klaus Opl
WhiteTitle: FM
WhiteElo: 2151
Black: Yanfeng An
BlackTitle: WIM
BlackElo: 2259
Result: 1/2-1/2
ECO: E77
Opening: King's Indian Defense: Four Pawns Attack, Normal Attack
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:53] } 1... Nf6 { [%eval 0.28] [%clk 1:30:38] } 2. c4 { [%eval 0.16] [%clk 1:31:14] } 2... c5?! { [%eval 0.93] } { Inaccuracy. e6 was best. } { [%clk 1:30:47] } 3. d5 { [%eval 0.75] [%clk 1:31:22] } 3... d6 { [%eval 0.86] [%clk 1:29:53] } 4. Nc3 { [%eval 0.7] [%clk 1:31:38] } 4... g6 { [%eval 0.84] [%clk 1:30:16] } 5. e4 { [%eval 0.78] [%clk 1:31:57] } 5... Bg7 { [%eval 0.85] [%clk 1:30:43] } 6. f4?! { [%eval 0.0] } { Inaccuracy. Nf3 was best. } { [%clk 1:32:18] } 6... O-O { [%eval 0.0] [%clk 1:31:07] } 7. Nf3 { [%eval 0.0] [%clk 1:32:34] } 7... e6 { [%eval 0.0] [%clk 1:31:34] } 8. Be2 { [%eval 0.36] [%clk 1:32:48] } 8... Re8 { [%eval 0.52] [%clk 1:25:43] } 9. e5 { [%eval 0.73] [%clk 1:30:39] } 9... dxe5 { [%eval 0.61] [%clk 1:24:39] } 10. fxe5 { [%eval 0.73] [%clk 1:30:58] } 10... Ng4 { [%eval 0.67] [%clk 1:22:58] } 11. Bf4?! { [%eval -0.3] } { Inaccuracy. Bg5 was best. } { [%clk 1:26:45] } 11... exd5 { [%eval -0.21] [%clk 1:20:21] } 12. cxd5 { [%eval -0.3] [%clk 1:24:57] } 12... Nxe5 { [%eval -0.33] [%clk 1:17:30] } 13. Nxe5 { [%eval -0.22] [%clk 1:22:59] } 13... Bxe5 { [%eval -0.3] [%clk 1:17:53] } 14. Bxe5 { [%eval -0.3] [%clk 1:22:54] } 14... Rxe5 { [%eval -0.35] [%clk 1:18:21] } 15. O-O { [%eval -0.21] [%clk 1:23:00] } 15... Nd7 { [%eval -0.11] [%clk 1:06:05] } 16. Bf3?! { [%eval -0.81] } { Inaccuracy. Qd2 was best. } { [%clk 1:11:18] } 16... Nf6 { [%eval -1.02] [%clk 1:02:53] } 17. Qd2 { [%eval -0.84] [%clk 1:09:28] } 17... Bd7 { [%eval -0.51] [%clk 0:47:46] } 18. d6 { [%eval -0.38] [%clk 0:58:43] } 18... Qb6 { [%eval 0.0] [%clk 0:40:14] } 19. Bxb7 { [%eval 0.15] [%clk 0:49:11] } 19... Qxb7 { [%eval 0.0] [%clk 0:38:53] } 20. Rxf6 { [%eval 0.0] [%clk 0:49:27] } 20... Bf5 { [%eval 0.0] [%clk 0:38:09] } 21. d7? { [%eval -1.38] } { Mistake. Rf1 was best. } { [%clk 0:44:01] } 21... Qxd7 { [%eval -1.0] [%clk 0:37:04] } 22. Rd6 { [%eval -1.34] [%clk 0:43:58] } 22... Qe7 { [%eval -1.32] [%clk 0:35:30] } 23. Rd1 { [%eval -1.33] } 23... Kg7 { [%eval -1.4] } 24. Na4?? { [%eval -3.76] } { Blunder. h3 was best. } { [%clk 0:38:32] } 24... Rc8?? { [%eval -1.67] } { Blunder. Bc2 was best. } { [%clk 0:23:39] } 25. h3?! { [%eval -2.77] } { Inaccuracy. Nc3 was best. } { [%clk 0:35:36] } 25... Re2 { [%eval -2.93] [%clk 0:14:21] } 26. Qc3+ { [%eval -2.14] [%clk 0:34:39] } 26... Qe5?! { [%eval -1.23] } { Inaccuracy. Kg8 was best. } { [%clk 0:14:34] } 27. Qxe5+ { [%eval -1.42] [%clk 0:33:09] } 27... Rxe5 { [%eval -1.3] [%clk 0:15:03] } 28. Nc3 { [%eval -1.19] [%clk 0:33:15] } 28... h5 { [%eval -1.27] [%clk 0:14:44] } 29. R1d2 { [%eval -1.37] [%clk 0:31:54] } 29... h4 { [%eval -1.0] [%clk 0:13:03] } 30. Ra6 { [%eval -1.0] [%clk 0:30:49] } 30... Re7 { [%eval -0.96] [%clk 0:09:38] } 31. Ra4 { [%eval -1.39] [%clk 0:27:17] } 31... c4 { [%eval -1.58] [%clk 0:07:14] } 32. Rd4 { [%eval -1.39] [%clk 0:25:02] } 32... Be6 { [%eval -0.95] [%clk 0:07:02] } 33. Rxh4 { [%eval -1.01] [%clk 0:22:03] } 33... Rb8 { [%eval -0.79] [%clk 0:04:58] } 34. Re4 { [%eval -1.16] [%clk 0:18:24] } 34... Rxb2 { [%eval -1.01] [%clk 0:04:45] } 35. Raxc4 { [%eval -0.78] [%clk 0:18:33] } 35... Bxc4 { [%eval -0.7] [%clk 0:04:31] } 36. Rxe7 { [%eval -0.57] [%clk 0:18:41] } 36... Rc2 { [%eval -0.59] [%clk 0:04:31] } 37. Re3 { [%eval -0.63] [%clk 0:17:59] } 37... Bxa2 { [%eval -0.32] [%clk 0:04:45] } 38. Nxa2 { [%eval -0.19] [%clk 0:18:06] } 38... Rxa2 { [%eval -0.19] [%clk 0:05:13] } 39. Re7 { [%eval -0.52] [%clk 0:17:46] } 39... Kf6 { [%eval -0.53] [%clk 0:04:25] } 40. Rc7 { [%eval -0.46] [%clk 0:17:56] } 40... Ke6 { [%eval -0.19] [%clk 0:04:09] } 41. Kh2 { [%eval -0.29] [%clk 0:18:03] } 41... f6 { [%eval -0.09] [%clk 0:30:27] } 42. Rc6+ { [%eval -0.08] [%clk 0:46:24] } 42... Ke5 { [%eval -0.07] [%clk 0:28:00] } 43. h4 { [%eval -0.06] [%clk 0:45:41] } 43... Rb2 { [%eval 0.0] [%clk 0:24:18] } 44. Rc7 { [%eval -0.07] [%clk 0:45:33] } 44... a6 { [%eval 0.0] [%clk 0:23:44] } 45. Rc6 { [%eval -0.01] [%clk 0:45:36] } 45... Ra2 { [%eval -0.03] [%clk 0:23:51] } 46. Kg3 { [%eval -0.08] [%clk 0:45:08] } 46... Ra3+ { [%eval -0.02] [%clk 0:20:34] } 47. Kh2 { [%eval 0.0] [%clk 0:45:09] } 47... Ra5 { [%eval 0.0] [%clk 0:19:07] } 48. Kg3 { [%eval -0.05] [%clk 0:44:27] } 48... Ra3+ { [%eval -0.02] [%clk 0:19:02] } 49. Kh2 { [%eval -0.01] [%clk 0:44:45] } 49... a5 { [%eval 0.0] [%clk 0:19:16] } 50. Rb6 { [%eval -0.07] [%clk 0:44:43] } 50... Rd3 { [%eval -0.06] [%clk 0:14:28] } 51. Ra6 { [%eval -0.06] [%clk 0:42:42] } 51... Rd5 { [%eval 0.0] [%clk 0:14:52] } 52. Kh3 { [%eval -0.03] [%clk 0:42:28] } 52... Kf5 { [%eval 0.0] [%clk 0:13:06] } 53. Kh2 { [%eval -0.06] [%clk 0:42:16] } 53... Ke5 { [%eval 0.0] [%clk 0:12:57] } 54. Kh3 { [%eval -0.05] [%clk 0:41:47] } 54... Rb5 { [%eval -0.02] [%clk 0:13:20] } 55. Kh2 { [%eval -0.08] [%clk 0:42:05] } 55... Kf5 { [%eval 0.0] [%clk 0:12:16] } 56. Kh3 { [%eval -0.01] [%clk 0:42:14] } 56... Rb3+ { [%eval 0.0] [%clk 0:11:43] } 57. Kh2 { [%eval -0.21] [%clk 0:42:41] } 57... Ra3 { [%eval -0.02] [%clk 0:11:51] } 58. Rc6 { [%eval -0.04] [%clk 0:42:38] } 58... Ra4 { [%eval 0.0] [%clk 0:11:20] } 59. Kh3 { [%eval -0.01] [%clk 0:42:44] } 59... Ke5 { [%eval 0.0] [%clk 0:10:31] } 60. Kg3 { [%eval -0.17] [%clk 0:42:37] } 60... Ra3+ { [%eval -0.03] [%clk 0:08:40] } 61. Kh2 { [%eval -0.03] [%clk 0:42:54] } 61... Kf5 { [%eval -0.01] [%clk 0:07:28] } 62. Rb6 { [%eval -0.04] [%clk 0:43:05] } 62... Re3 { [%eval -0.01] [%clk 0:06:20] } 63. Ra6 { [%eval -0.06] [%clk 0:43:06] } 63... Ra3 { [%eval -0.03] [%clk 0:05:34] } 64. Rc6 { [%eval -0.01] [%clk 0:42:37] } 64... a4 { [%eval 0.0] [%clk 0:06:03] } 65. Ra6 { [%eval 0.0] [%clk 0:42:02] } 65... Ra2 { [%eval 0.0] [%clk 0:05:11] } 66. Rb6 { [%eval -0.16] [%clk 0:40:56] } 66... a3 { [%eval -0.03] [%clk 0:04:06] } 67. Ra6 { [%eval 0.0] [%clk 0:41:17] } 67... Ke5 { [%eval 0.0] [%clk 0:03:25] } 68. Ra5+ { [%eval -0.19] [%clk 0:40:10] } 68... Kf4 { [%eval 0.0] [%clk 0:03:28] } 69. Ra6 { [%eval 0.0] [%clk 0:40:16] } 69... Kf5 { [%eval 0.0] [%clk 0:03:49] } 70. Ra5+ { [%eval -0.14] [%clk 0:39:52] } 70... Kg4 { [%eval 0.0] [%clk 0:04:17] } 71. Ra6 { [%eval -0.13] [%clk 0:40:08] } 71... Kf5 { [%eval 0.0] [%clk 0:02:33] } 72. Ra5+ { [%eval -0.1] [%clk 0:40:20] } 72... Kf4 { [%eval -0.05] [%clk 0:02:45] } 73. Ra6 { [%eval 0.0] [%clk 0:39:52] } 73... Ke5 { [%eval 0.0] [%clk 0:03:10] } 74. Ra5+ { [%eval -0.46] [%clk 0:40:03] } 74... Kd4 { [%eval -0.11] [%clk 0:03:00] } 75. Ra6 { [%eval -0.3] [%clk 0:40:04] } 75... Ke5 { [%eval 0.0] [%clk 0:03:21] } 76. Ra5+ { [%eval -0.12] [%clk 0:39:53] } 76... Ke4 { [%eval 0.0] [%clk 0:03:31] } 77. Ra6 { [%eval 0.0] [%clk 0:40:12] } 77... Kf5 { [%eval 0.0] [%clk 0:03:38] } 1/2-1/2