Event: Round 8: Juergen Koch - Ralf Schlenkert
Date: 2023-08-06
White: Juergen Koch
Black: Ralf Schlenkert
Result: 1-0
ECO: D70
Opening: Neo-Grünfeld Defense: with Nf3
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:57] } 1... d5 { [%eval 0.27] [%clk 1:30:50] } 2. c4 { [%eval 0.29] [%clk 1:31:15] } 2... Nf6 { [%eval 0.71] [%clk 1:30:55] } 3. Nf3?! { [%eval 0.16] } { Inaccuracy. cxd5 was best. } { [%clk 1:31:37] } 3... g6?! { [%eval 0.9] } { Inaccuracy. e6 was best. } { [%clk 1:30:42] } 4. Bf4?! { [%eval 0.25] } { Inaccuracy. cxd5 was best. } { [%clk 1:31:52] } 4... Bg7 { [%eval 0.0] [%clk 1:30:17] } 5. e3 { [%eval -0.07] [%clk 1:32:13] } 5... Nbd7?! { [%eval 0.52] } { Inaccuracy. O-O was best. } { [%clk 1:29:32] } 6. Be2 { [%eval 0.04] [%clk 1:32:34] } 6... O-O { [%eval 0.0] [%clk 1:29:03] } 7. O-O { [%eval 0.0] [%clk 1:32:56] } 7... c6 { [%eval 0.42] [%clk 1:28:07] } 8. Nc3 { [%eval 0.54] [%clk 1:33:18] } 8... Re8?! { [%eval 1.42] } { Inaccuracy. dxc4 was best. } { [%clk 1:25:36] } 9. Rb1 { [%eval 0.89] [%clk 1:33:13] } 9... a5?! { [%eval 1.98] } { Inaccuracy. Nb6 was best. } { [%clk 1:25:19] } 10. a4? { [%eval 0.52] } { Mistake. cxd5 was best. } { [%clk 1:32:09] } 10... Nh5 { [%eval 0.27] [%clk 1:23:14] } 11. Bg5 { [%eval 0.4] [%clk 1:32:29] } 11... Nhf6?! { [%eval 1.45] } { Inaccuracy. h6 was best. } { [%clk 1:21:49] } 12. c5?? { [%eval -0.93] } { Blunder. cxd5 was best. } { [%clk 1:32:46] } 12... h6 { [%eval -0.75] [%clk 1:21:48] } 13. Bh4 { [%eval -0.83] [%clk 1:33:09] } 13... e5 { [%eval -0.83] [%clk 1:18:07] } 14. b4? { [%eval -2.24] } { Mistake. dxe5 was best. } { [%clk 1:33:05] } 14... axb4 { [%eval -2.02] [%clk 1:15:13] } 15. Rxb4 { [%eval -1.86] [%clk 1:33:26] } 15... Bf8?! { [%eval -0.72] } { Inaccuracy. Qa5 was best. } { [%clk 1:12:20] } 16. Rb2 { [%eval -1.22] [%clk 1:31:45] } 16... e4? { [%eval 0.17] } { Mistake. Bg7 was best. } { [%clk 1:06:49] } 17. Nd2 { [%eval 0.07] [%clk 1:32:06] } 17... Kg7?! { [%eval 0.71] } { Inaccuracy. Be7 was best. } { [%clk 1:04:53] } 18. Qc2 { [%eval 0.55] [%clk 1:32:03] } 18... Be7 { [%eval 0.66] [%clk 1:00:03] } 19. Ra2?! { [%eval 0.0] } { Inaccuracy. Bg3 was best. } { [%clk 1:32:09] } 19... Nh7 { [%eval 0.0] [%clk 0:56:43] } 20. Bg3 { [%eval 0.0] [%clk 1:32:24] } 20... Rf8 { [%eval 0.26] [%clk 0:52:40] } 21. Rfa1 { [%eval 0.21] [%clk 1:32:43] } 21... Nhf6? { [%eval 1.7] } { Mistake. Bh4 was best. } { [%clk 0:52:10] } 22. a5 { [%eval 2.17] [%clk 1:33:01] } 22... Nb8 { [%eval 1.64] [%clk 0:49:26] } 23. Bxb8? { [%eval 0.13] } { Mistake. h3 was best. } { [%clk 1:33:11] } 23... Rxb8 { [%eval -0.08] [%clk 0:49:55] } 24. a6 { [%eval -0.22] [%clk 1:33:22] } 24... bxa6 { [%eval -0.18] [%clk 0:50:15] } 25. Bxa6 { [%eval -0.15] [%clk 1:33:26] } 25... Bd7 { [%eval -0.05] [%clk 0:49:03] } 26. Be2 { [%eval -0.1] [%clk 1:33:25] } 26... Qc8 { [%eval -0.29] [%clk 0:47:42] } 27. Na4 { [%eval 0.0] [%clk 1:33:26] } 27... Bg4 { [%eval 0.04] [%clk 0:45:53] } 28. Bf1 { [%eval -0.09] [%clk 1:33:31] } 28... Bd8 { [%eval -0.34] [%clk 0:44:40] } 29. Nc3 { [%eval -0.61] [%clk 1:32:21] } 29... Nh5?! { [%eval 0.04] } { Inaccuracy. Bc7 was best. } { [%clk 0:42:57] } 30. Ra7 { [%eval 0.17] [%clk 1:30:42] } 30... Bh4 { [%eval 0.52] [%clk 0:39:47] } 31. Ba6 { [%eval 0.12] [%clk 1:29:29] } 31... Qf5 { [%eval 0.0] [%clk 0:39:15] } 32. Nf1 { [%eval 0.06] [%clk 1:29:18] } 32... Kg8? { [%eval 1.54] } { Mistake. Rfe8 was best. } { [%clk 0:31:56] } 33. Rc7 { [%eval 1.0] [%clk 1:29:30] } 33... Bd8? { [%eval 2.73] } { Mistake. Qe6 was best. } { [%clk 0:29:06] } 34. Rxc6 { [%eval 2.94] [%clk 1:29:45] } 34... Qd7?? { [%eval 6.07] } { Blunder. Qg5 was best. } { [%clk 0:29:30] } 35. Rd6 { [%eval 6.26] [%clk 1:29:45] } 35... Qf5 { [%eval 6.92] [%clk 0:29:06] } 36. Rxd5 { [%eval 6.87] [%clk 1:30:01] } 36... Qf6 { [%eval 6.72] [%clk 0:28:34] } 37. Ng3 { [%eval 6.17] [%clk 1:27:36] } 37... Nxg3 { [%eval 5.84] [%clk 0:23:43] } 38. hxg3 { [%eval 6.06] [%clk 1:24:06] } 38... Qe6 { [%eval 6.93] [%clk 0:20:12] } 39. Re5 { [%eval 6.2] [%clk 1:24:08] } 39... Qd7 { [%eval 6.69] [%clk 0:18:13] } 40. Qxe4 { [%eval 6.16] [%clk 1:24:14] } 40... Bf5 { [%eval 5.78] [%clk 0:15:33] } 41. Qf4 { [%eval 6.16] [%clk 1:24:28] } 41... Bg5 { [%eval 5.81] [%clk 0:15:06] } 42. Qf3 { [%eval 6.22] [%clk 1:24:34] } 42... Bg4 { [%eval 6.21] [%clk 0:15:13] } 43. Qd5 { [%eval 6.22] [%clk 1:24:54] } 43... Be6 { [%eval 6.83] [%clk 0:15:16] } 44. Qxd7 { [%eval 7.05] [%clk 1:24:58] } 44... Bxd7 { [%eval 7.05] [%clk 0:15:44] } 45. Bc4 { [%eval 6.16] [%clk 1:23:32] } 45... Bf6 { [%eval 6.78] [%clk 0:15:43] } 46. Re4 { [%eval 6.53] [%clk 1:23:56] } 46... Rb4 { [%eval 8.55] [%clk 0:14:44] } 47. Bd5 { [%eval 7.17] [%clk 1:23:48] } 47... Bg7 { [%eval 8.56] [%clk 0:14:23] } 48. Re7 { [%eval 8.62] [%clk 1:23:57] } 48... Bc8 { [%eval 8.91] [%clk 0:13:14] } 49. Raa7 { [%eval 8.78] [%clk 1:24:15] } 49... Rb5 { [%eval 17.4] } 1-0