Event: Round 6: Ibrayev, Nurlan - Knaak, Rainer
Date: 2025-04-30
White: Ibrayev, Nurlan
WhiteTitle: GM
WhiteElo: 2367
Black: Knaak, Rainer
BlackTitle: GM
BlackElo: 2472
Result: 1-0
ECO: D38
Opening: Queen's Gambit Declined: Ragozin Defense
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:27] } 1... e6 { [%eval 0.25] [%clk 1:30:25] } 2. Nf3 { [%eval 0.19] [%clk 1:30:25] } 2... d5 { [%eval 0.23] [%clk 1:30:36] } 3. d4 { [%eval 0.16] [%clk 1:28:09] } 3... Nf6 { [%eval 0.17] [%clk 1:29:17] } 4. Nc3 { [%eval 0.1] [%clk 1:28:34] } 4... Bb4 { [%eval 0.16] [%clk 1:28:39] } 5. cxd5 { [%eval 0.03] [%clk 1:27:56] } 5... exd5 { [%eval 0.2] [%clk 1:29:05] } 6. Bg5 { [%eval 0.0] [%clk 1:28:20] } 6... h6 { [%eval 0.08] [%clk 1:29:16] } 7. Bh4 { [%eval 0.06] [%clk 1:28:35] } 7... O-O { [%eval 0.14] [%clk 1:29:16] } 8. e3 { [%eval 0.04] [%clk 1:28:52] } 8... Bf5 { [%eval 0.03] [%clk 1:29:18] } 9. Qb3 { [%eval -0.02] [%clk 1:28:04] } 9... Bxc3+ { [%eval 0.14] [%clk 1:29:15] } 10. Qxc3 { [%eval 0.1] [%clk 1:26:08] } 10... Nbd7 { [%eval 0.13] [%clk 1:26:16] } 11. Be2 { [%eval 0.08] [%clk 1:24:33] } 11... c6 { [%eval 0.14] [%clk 1:25:40] } 12. Nd2 { [%eval 0.14] [%clk 1:20:54] } 12... Bg6 { [%eval 0.33] [%clk 1:06:52] } 13. Qa3 { [%eval 0.3] [%clk 1:13:40] } 13... Re8 { [%eval 0.42] [%clk 1:04:06] } 14. O-O { [%eval 0.44] [%clk 1:12:01] } 14... a5 { [%eval 0.45] [%clk 0:58:15] } 15. Rfc1 { [%eval 0.5] [%clk 1:05:30] } 15... Re6 { [%eval 0.51] [%clk 0:56:16] } 16. Bg4 { [%eval 0.37] [%clk 1:05:08] } 16... Re7 { [%eval 0.49] [%clk 0:46:40] } 17. Bxd7 { [%eval 0.31] [%clk 0:46:20] } 17... Rxd7 { [%eval 0.5] [%clk 0:46:42] } 18. Nf3?! { [%eval -0.15] } { Inaccuracy. Nb3 was best. } { [%clk 0:46:40] } 18... Rd6 { [%eval -0.1] [%clk 0:39:07] } 19. Ne5 { [%eval -0.07] [%clk 0:46:22] } 19... Bf5 { [%eval 0.0] [%clk 0:37:01] } 20. f3 { [%eval 0.0] [%clk 0:44:07] } 20... Re6 { [%eval 0.0] [%clk 0:35:53] } 21. Re1 { [%eval -0.12] [%clk 0:39:18] } 21... Qe8 { [%eval 0.05] [%clk 0:32:18] } 22. Bf2 { [%eval -0.08] [%clk 0:26:15] } 22... Bh7 { [%eval -0.08] [%clk 0:30:43] } 23. Qc3 { [%eval -0.18] [%clk 0:23:22] } 23... Qe7 { [%eval -0.14] [%clk 0:30:26] } 24. Nd3 { [%eval -0.24] [%clk 0:23:11] } 24... Bxd3 { [%eval -0.18] [%clk 0:26:24] } 25. Qxd3 { [%eval -0.17] [%clk 0:23:40] } 25... Ne8 { [%eval -0.21] [%clk 0:26:29] } 26. Re2 { [%eval -0.19] [%clk 0:21:02] } 26... Nd6 { [%eval -0.07] [%clk 0:26:28] } 27. Rae1 { [%eval -0.07] [%clk 0:21:13] } 27... Re8 { [%eval -0.1] [%clk 0:25:47] } 28. a4 { [%eval -0.28] [%clk 0:19:23] } 28... Qf6 { [%eval 0.0] [%clk 0:18:43] } 29. b3 { [%eval -0.04] [%clk 0:17:10] } 29... Qd8 { [%eval 0.0] [%clk 0:14:29] } 30. Bg3 { [%eval 0.0] [%clk 0:12:07] } 30... Qe7 { [%eval 0.0] [%clk 0:14:20] } 31. Kf1 { [%eval -0.04] [%clk 0:11:00] } 31... h5 { [%eval -0.02] [%clk 0:14:20] } 32. h3 { [%eval 0.0] [%clk 0:10:47] } 32... g6 { [%eval 0.0] [%clk 0:12:05] } 33. Bf4 { [%eval -0.03] [%clk 0:09:14] } 33... Nf5 { [%eval 0.0] [%clk 0:09:27] } 34. Kg1 { [%eval 0.0] [%clk 0:02:48] } 34... h4 { [%eval 0.0] [%clk 0:04:41] } 35. Kf2 { [%eval -0.41] [%clk 0:02:38] } 35... Qf6 { [%eval -0.2] [%clk 0:04:55] } 36. Be5 { [%eval -0.4] [%clk 0:02:36] } 36... Qg5 { [%eval -0.18] [%clk 0:05:10] } 37. Bf4 { [%eval -0.45] [%clk 0:02:56] } 37... Qh5?! { [%eval 0.36] } { Inaccuracy. Qd8 was best. } { [%clk 0:05:02] } 38. e4 { [%eval 0.43] [%clk 0:01:33] } 38... Ne7?! { [%eval 1.29] } { Inaccuracy. Ng3 was best. } { [%clk 0:03:32] } 39. Kg1?! { [%eval 0.57] } { Inaccuracy. Qd2 was best. } { [%clk 0:01:23] } 39... dxe4 { [%eval 0.59] [%clk 0:03:18] } 40. fxe4 { [%eval 0.42] [%clk 0:01:34] } 40... Nd5 { [%eval 0.58] [%clk 0:01:35] } 41. Bh2 { [%eval 0.16] [%clk 0:30:06] } 41... Nf6 { [%eval 0.36] [%clk 0:28:57] } 42. Qf3 { [%eval 0.05] [%clk 0:28:45] } 42... Rd8 { [%eval 0.35] [%clk 0:26:05] } 43. Rd2 { [%eval 0.02] [%clk 0:23:26] } 43... Rde8 { [%eval 0.07] [%clk 0:22:15] } 44. Rde2 { [%eval 0.0] [%clk 0:21:16] } 44... Rd8 { [%eval 0.34] [%clk 0:22:33] } 45. Qf2 { [%eval 0.34] [%clk 0:14:37] } 45... Rde8 { [%eval 0.83] [%clk 0:20:20] } 46. Be5 { [%eval 0.77] [%clk 0:13:18] } 46... Nd7 { [%eval 1.21] [%clk 0:19:28] } 47. Bc7 { [%eval 1.25] [%clk 0:13:18] } 47... Rc8 { [%eval 1.2] [%clk 0:16:20] } 48. Bh2 { [%eval 0.96] [%clk 0:13:26] } 48... Rce8 { [%eval 1.09] [%clk 0:15:21] } 49. Qf3?! { [%eval 0.16] } { Inaccuracy. Bc7 was best. } { [%clk 0:13:15] } 49... Qg5?! { [%eval 0.96] } { Inaccuracy. Nf6 was best. } { [%clk 0:14:21] } 50. Kh1?! { [%eval 0.38] } { Inaccuracy. e5 was best. } { [%clk 0:08:35] } 50... Qd8?! { [%eval 1.02] } { Inaccuracy. Nf6 was best. } { [%clk 0:12:48] } 51. d5?! { [%eval 0.36] } { Inaccuracy. e5 was best. } { [%clk 0:08:01] } 51... Rf6? { [%eval 2.05] } { Mistake. cxd5 was best. } { [%clk 0:11:37] } 52. Qd3 { [%eval 2.19] [%clk 0:07:24] } 52... Qe7?? { [%eval 5.26] } { Blunder. cxd5 was best. } { [%clk 0:06:42] } 53. e5 { [%eval 5.36] [%clk 0:06:38] } 53... Rf5 { [%eval 5.16] [%clk 0:05:49] } 54. e6 { [%eval 5.29] [%clk 0:06:41] } 54... Nf6 { [%eval 5.23] [%clk 0:05:58] } 55. d6 { [%eval 5.18] [%clk 0:06:34] } 55... Rd8?! { [%eval 6.99] } { Inaccuracy. Qd8 was best. } { [%clk 0:05:41] } 56. Qxf5 { [%eval 6.88] [%clk 0:06:42] } 1-0