Event: Round 8: Knaak, Rainer - Rosh Jain
Date: 2025-05-02
White: Knaak, Rainer
WhiteTitle: GM
WhiteElo: 2446
Black: Rosh Jain
BlackTitle: FM
BlackElo: 2254
Result: 1/2-1/2
ECO: D41
Opening: Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:54] } 2. c4 { [%eval 0.18] [%clk 1:31:22] } 2... e6 { [%eval 0.14] [%clk 1:31:19] } 3. Nf3 { [%eval 0.12] [%clk 1:31:31] } 3... d5 { [%eval 0.17] [%clk 1:31:39] } 4. Nc3 { [%eval 0.1] [%clk 1:31:51] } 4... c5 { [%eval 0.11] [%clk 1:31:48] } 5. cxd5 { [%eval 0.09] [%clk 1:31:56] } 5... Nxd5 { [%eval 0.23] [%clk 1:32:11] } 6. e4 { [%eval 0.21] [%clk 1:32:16] } 6... Nxc3 { [%eval 0.27] [%clk 1:32:36] } 7. bxc3 { [%eval 0.21] [%clk 1:32:42] } 7... cxd4 { [%eval 0.22] [%clk 1:33:01] } 8. cxd4 { [%eval 0.33] [%clk 1:33:05] } 8... Bb4+ { [%eval 0.36] [%clk 1:33:24] } 9. Bd2 { [%eval 0.41] [%clk 1:33:28] } 9... Bxd2+ { [%eval 0.37] [%clk 1:33:49] } 10. Qxd2 { [%eval 0.25] [%clk 1:33:53] } 10... O-O { [%eval 0.19] [%clk 1:34:12] } 11. Rd1 { [%eval 0.19] [%clk 1:33:40] } 11... Bd7 { [%eval 0.16] [%clk 1:34:00] } 12. Bc4 { [%eval 0.12] [%clk 1:11:58] } 12... Ba4 { [%eval 0.2] [%clk 1:26:22] } 13. Rc1 { [%eval 0.17] [%clk 1:11:08] } 13... Bc6 { [%eval 0.31] [%clk 1:10:57] } 14. Bd3 { [%eval 0.23] [%clk 1:07:21] } 14... Nd7 { [%eval 0.22] [%clk 1:03:25] } 15. O-O { [%eval 0.26] [%clk 1:06:55] } 15... h6 { [%eval 0.34] [%clk 0:58:24] } 16. Rfe1 { [%eval 0.21] [%clk 1:03:19] } 16... Re8 { [%eval 0.26] [%clk 0:55:30] } 17. Bb1 { [%eval 0.09] [%clk 1:03:19] } 17... Nf8 { [%eval 0.4] [%clk 0:42:59] } 18. Ne5 { [%eval 0.41] [%clk 0:59:07] } 18... Bb5 { [%eval 0.5] [%clk 0:42:16] } 19. Re3 { [%eval 0.32] [%clk 0:48:02] } 19... f6?! { [%eval 1.01] } { Inaccuracy. Nd7 was best. } { [%clk 0:26:26] } 20. Nf3?! { [%eval 0.45] } { Inaccuracy. Ng4 was best. } { [%clk 0:47:36] } 20... Rc8 { [%eval 0.45] [%clk 0:26:05] } 21. Rxc8 { [%eval 0.42] [%clk 0:25:26] } 21... Qxc8 { [%eval 0.47] [%clk 0:26:29] } 22. Rc3 { [%eval 0.36] [%clk 0:25:52] } 22... Qd7 { [%eval 0.45] [%clk 0:23:57] } 23. Qc2 { [%eval 0.29] [%clk 0:26:03] } 23... Qd6 { [%eval 0.46] [%clk 0:21:15] } 24. h3 { [%eval 0.53] [%clk 0:23:18] } 24... Bc6 { [%eval 0.51] [%clk 0:19:57] } 25. Qc1 { [%eval 0.45] [%clk 0:10:36] } 25... Rd8 { [%eval 0.53] [%clk 0:18:45] } 26. Qe3 { [%eval 0.44] [%clk 0:10:52] } 26... Ba4 { [%eval 0.43] [%clk 0:13:45] } 27. Rc1 { [%eval 0.25] [%clk 0:09:53] } 27... a6 { [%eval 0.36] [%clk 0:08:57] } 28. e5 { [%eval 0.03] [%clk 0:07:19] } 28... fxe5 { [%eval 0.11] [%clk 0:08:13] } 29. dxe5 { [%eval 0.06] [%clk 0:07:46] } 29... Qd5 { [%eval 0.12] [%clk 0:08:31] } 30. Kh2 { [%eval 0.08] [%clk 0:07:53] } 30... Bc6 { [%eval 0.15] [%clk 0:05:00] } 31. Rc5 { [%eval 0.02] [%clk 0:08:09] } 31... Qd7 { [%eval 0.09] [%clk 0:05:26] } 32. Be4 { [%eval 0.0] [%clk 0:08:24] } 32... Bxe4 { [%eval -0.03] [%clk 0:05:10] } 33. Qxe4 { [%eval -0.03] [%clk 0:08:49] } 33... Rc8 { [%eval 0.0] [%clk 0:05:29] } 34. Ra5 { [%eval -0.06] [%clk 0:07:29] } 34... Qc6 { [%eval -0.03] [%clk 0:04:02] } 35. Qh4 { [%eval -0.04] [%clk 0:05:10] } 35... Qc4 { [%eval -0.06] [%clk 0:02:42] } 36. Qxc4 { [%eval -0.07] [%clk 0:02:33] } 36... Rxc4 { [%eval -0.03] [%clk 0:03:08] } 37. Nd2 { [%eval -0.18] [%clk 0:02:47] } 37... Rd4 { [%eval -0.04] [%clk 0:01:29] } 38. Nb3 { [%eval -0.05] [%clk 0:03:12] } 38... Rb4 { [%eval -0.08] [%clk 0:01:55] } 39. Kg3 { [%eval -0.09] [%clk 0:01:57] } 39... Nd7 { [%eval -0.02] [%clk 0:02:16] } 40. Kf3 { [%eval -0.33] [%clk 0:01:44] } 40... Kf7 { [%eval -0.32] [%clk 0:01:08] } 41. Ke3 { [%eval -0.3] [%clk 0:25:15] } 41... Ke7 { [%eval -0.1] [%clk 0:31:31] } 42. g3 { [%eval -0.09] [%clk 0:18:27] } 42... g5 { [%eval -0.1] [%clk 0:31:00] } 43. Nd2 { [%eval -0.09] [%clk 0:18:41] } 43... h5 { [%eval -0.07] [%clk 0:22:10] } 44. a3 { [%eval -0.3] [%clk 0:15:21] } 44... Rb2 { [%eval -0.38] [%clk 0:22:28] } 45. Ne4 { [%eval -0.31] [%clk 0:12:34] } 45... Rb3+ { [%eval -0.41] [%clk 0:20:32] } 46. Kd4?? { [%eval -2.22] } { Blunder. Ke2 was best. } { [%clk 0:08:49] } 46... Nb8 { [%eval -2.4] [%clk 0:20:15] } 47. Kc4 { [%eval -2.09] [%clk 0:08:42] } 47... Rf3 { [%eval -1.91] [%clk 0:16:23] } 48. Nxg5?! { [%eval -2.8] } { Inaccuracy. Kc5 was best. } { [%clk 0:08:03] } 48... Rf5 { [%eval -2.64] [%clk 0:07:18] } 49. Ne4?! { [%eval -3.51] } { Inaccuracy. f4 was best. } { [%clk 0:04:23] } 49... b6 { [%eval -3.39] [%clk 0:07:26] } 50. Nd6 { [%eval -3.34] [%clk 0:04:49] } 50... Rf8 { [%eval -3.32] [%clk 0:07:21] } 51. Ra4 { [%eval -3.29] [%clk 0:05:10] } 51... b5+ { [%eval -3.38] [%clk 0:07:47] } 52. Nxb5 { [%eval -3.39] [%clk 0:05:36] } 52... axb5+ { [%eval -3.23] [%clk 0:07:59] } 53. Kxb5 { [%eval -3.29] [%clk 0:06:00] } 53... Rxf2 { [%eval -3.09] [%clk 0:08:24] } 54. g4 { [%eval -3.37] [%clk 0:04:26] } 54... Re2 { [%eval -3.32] [%clk 0:08:21] } 55. Ra7+ { [%eval -3.71] [%clk 0:02:32] } 55... Nd7 { [%eval -3.7] [%clk 0:08:42] } 56. Kc6 { [%eval -3.65] [%clk 0:02:10] } 56... Rc2+ { [%eval -3.75] [%clk 0:09:07] } 57. Kb7 { [%eval -4.09] [%clk 0:02:35] } 57... hxg4 { [%eval -4.06] [%clk 0:07:00] } 58. hxg4 { [%eval -3.95] [%clk 0:03:00] } 58... Nxe5 { [%eval -3.88] [%clk 0:07:27] } 59. g5 { [%eval -3.99] [%clk 0:02:49] } 59... Kd6 { [%eval -3.94] [%clk 0:07:10] } 60. Ra6+ { [%eval -3.89] [%clk 0:02:51] } 60... Kd7 { [%eval -3.82] [%clk 0:06:26] } 61. a4 { [%eval -3.79] [%clk 0:02:40] } 61... Rc7+ { [%eval #-23] [%clk 0:06:28] } 62. Kb6 { [%eval #-25] [%clk 0:03:02] } 62... Rc6+ { [%eval -11.21] [%clk 0:05:51] } 63. Kb7?! { [%eval #-22] } { Checkmate is now unavoidable. Ka5 was best. } { [%clk 0:03:26] } 63... Rxa6 { [%eval #-25] [%clk 0:05:59] } 64. Kxa6 { [%eval #-20] [%clk 0:03:50] } 64... Kc6 { [%eval #-20] [%clk 0:06:28] } 65. Ka5 { [%eval #-18] [%clk 0:03:07] } 65... Kc5 { [%eval #-18] [%clk 0:06:53] } 66. Ka6 { [%eval #-19] [%clk 0:03:29] } 66... Kc6 { [%eval #-21] [%clk 0:04:15] } 67. Ka5 { [%eval -72.48] [%clk 0:03:48] } 67... Ng6?? { [%eval 0.0] } { Blunder. Kc5 was best. } { [%clk 0:02:44] } 68. Kb4 { [%eval 0.0] [%clk 0:04:10] } 68... Kb6 { [%eval 0.0] [%clk 0:03:04] } 69. a5+ { [%eval 0.0] [%clk 0:02:22] } 69... Kc6 { [%eval 0.0] [%clk 0:02:23] } 70. Kc4 { [%eval 0.0] [%clk 0:02:46] } 70... Ne5+ { [%eval 0.0] [%clk 0:01:44] } 71. Kb4 { [%eval 0.0] [%clk 0:03:04] } 71... Ng6 { [%eval 0.0] [%clk 0:01:34] } 72. Kc4 { [%eval 0.0] [%clk 0:03:30] } 72... Nh4 { [%eval 0.0] [%clk 0:01:59] } 73. Kb4 { [%eval 0.0] [%clk 0:02:11] } 73... Ng6 { [%eval 0.0] [%clk 0:01:00] } 1/2-1/2