Event: Grenke Chess Open 2024
Site: Karlsruhe, Germany
Date: 2024-03-28
White: Mende, Andreas
WhiteTitle: CM
WhiteElo: 2101
Black: Koellner, Ruben Gideon
BlackTitle: IM
BlackElo: 2441
Result: 0-1
ECO: A13
Opening: English Opening: Agincourt Defense, Catalan Defense Accepted
Variant: Standard
TimeControl: 90min 40 moves + 15 min Rest + 30 sec per move

1. c4 { [%eval 0.16] [%clk 1:30:57] } 1... e6 { [%eval 0.18] [%clk 1:29:58] } 2. g3 { [%eval 0.39] [%clk 1:31:15] } 2... d5 { [%eval 0.33] [%clk 1:30:21] } 3. Nf3 { [%eval 0.08] [%clk 1:31:40] } 3... Nf6 { [%eval 0.19] [%clk 1:30:29] } 4. Bg2 { [%eval 0.22] [%clk 1:32:07] } 4... dxc4 { [%eval 0.25] [%clk 1:30:45] } 5. Qa4+ { [%eval 0.21] [%clk 1:31:52] } 5... Bd7 { [%eval 0.28] [%clk 1:31:03] } 6. Qxc4 { [%eval 0.25] [%clk 1:32:15] } 6... c5 { [%eval 0.18] [%clk 1:31:24] } 7. Ne5 { [%eval 0.17] [%clk 1:27:56] } 7... Qc8 { [%eval 0.17] [%clk 1:31:38] } 8. Nxd7 { [%eval 0.23] [%clk 1:24:39] } 8... Qxd7 { [%eval 0.1] [%clk 1:31:48] } 9. O-O { [%eval 0.09] [%clk 1:23:34] } 9... Nc6 { [%eval 0.22] [%clk 1:31:56] } 10. d3 { [%eval 0.04] [%clk 1:23:15] } 10... Be7 { [%eval 0.16] [%clk 1:32:14] } 11. Qa4 { [%eval 0.0] [%clk 1:16:39] } 11... Rc8 { [%eval 0.09] [%clk 1:19:29] } 12. Nc3 { [%eval 0.07] [%clk 1:14:33] } 12... O-O { [%eval 0.1] [%clk 1:18:33] } 13. Rd1 { [%eval 0.09] [%clk 1:08:23] } 13... Rfd8 { [%eval 0.07] [%clk 1:18:38] } 14. Bf4 { [%eval 0.09] [%clk 1:04:20] } 14... b6 { [%eval 0.08] [%clk 1:15:49] } 15. Rac1 { [%eval 0.14] [%clk 1:02:28] } 15... h6 { [%eval 0.13] [%clk 1:05:43] } 16. h4 { [%eval 0.0] } 16... Bf8 { [%eval 0.06] [%clk 0:51:39] } 17. Kf1 { [%eval 0.0] [%clk 0:57:35] } 17... Nd5 { [%eval 0.43] [%clk 0:51:32] } 18. Bd2 { [%eval 0.11] [%clk 0:54:14] } 18... Be7 { [%eval 0.18] } 19. a3 { [%eval 0.17] [%clk 0:42:09] } 19... a5 { [%eval 0.62] [%clk 0:36:19] } 20. Nxd5 { [%eval 0.23] [%clk 0:29:54] } 20... exd5 { [%eval 0.26] [%clk 0:36:43] } 21. Bc3 { [%eval 0.06] [%clk 0:29:27] } 21... Qe6 { [%eval 0.11] [%clk 0:31:43] } 22. d4 { [%eval -0.01] [%clk 0:28:38] } 22... cxd4 { [%eval -0.1] [%clk 0:29:31] } 23. Bd2 { [%eval -0.21] [%clk 0:23:38] } 23... Bf6 { [%eval 0.0] [%clk 0:25:57] } 24. Qb5 { [%eval -0.35] [%clk 0:23:03] } 24... Ne7 { [%eval 0.16] [%clk 0:22:15] } 25. b4 { [%eval 0.07] } 25... axb4 { [%eval 0.04] [%clk 0:17:36] } 26. Bxb4 { [%eval -0.13] [%clk 0:21:42] } 26... Rc4 { [%eval -0.16] [%clk 0:16:21] } 27. Bxe7 { [%eval -0.42] [%clk 0:19:00] } 27... Bxe7 { [%eval -0.52] [%clk 0:14:05] } 28. Rb1 { [%eval -0.96] [%clk 0:14:13] } 28... Bc5 { [%eval -1.04] [%clk 0:14:08] } 29. a4 { [%eval -1.36] [%clk 0:14:24] } 29... Ra8 { [%eval -1.33] [%clk 0:11:29] } 30. Ra1?! { [%eval -2.02] } { Inaccuracy. Qb2 was best. } { [%clk 0:14:25] } 30... Rb4? { [%eval -0.42] } { Mistake. d3 was best. } { [%clk 0:10:28] } 31. Qd3 { [%eval -0.47] [%clk 0:14:53] } 31... Rbxa4 { [%eval -0.18] [%clk 0:10:21] } 32. Rxa4 { [%eval -0.21] [%clk 0:15:21] } 32... Rxa4 { [%eval -0.29] [%clk 0:10:42] } 33. Rb1?! { [%eval -1.06] } { Inaccuracy. Qb3 was best. } { [%clk 0:15:48] } 33... Ra3 { [%eval -0.64] [%clk 0:09:54] } 34. Rb3 { [%eval -0.7] [%clk 0:14:41] } 34... Ra2 { [%eval -0.62] [%clk 0:09:55] } 35. Bf3 { [%eval -0.73] [%clk 0:15:04] } 35... g5 { [%eval -0.4] [%clk 0:09:19] } 36. hxg5 { [%eval -0.62] [%clk 0:14:57] } 36... hxg5 { [%eval -0.63] [%clk 0:09:42] } 37. Qb1 { [%eval -1.01] [%clk 0:11:10] } 37... Ra7 { [%eval -0.73] [%clk 0:09:00] } 38. g4 { [%eval -0.91] [%clk 0:09:26] } 38... Kg7 { [%eval -0.8] [%clk 0:09:15] } 39. Rd3 { [%eval -0.95] [%clk 0:08:43] } 39... Qe5 { [%eval -0.52] [%clk 0:08:38] } 40. Qb3? { [%eval -1.8] } { Mistake. Rd1 was best. } { [%clk 0:08:52] } 40... Qh2 { [%eval -1.77] [%clk 0:05:26] } 41. Bxd5 { [%eval -1.95] [%clk 0:04:13] } 41... Ra1+ { [%eval -1.88] [%clk 0:05:02] } 42. Rd1 { [%eval -1.92] [%clk 0:04:42] } 42... Ra3 { [%eval -1.75] [%clk 0:01:45] } 43. Qb2 { [%eval -1.95] [%clk 0:04:21] } 43... Qh3+ { [%eval -1.97] [%clk 0:01:07] } 44. Bg2 { [%eval -1.81] [%clk 0:04:43] } 44... Qxg4 { [%eval -2.07] [%clk 0:01:27] } 45. Rc1? { [%eval -3.63] } { Mistake. Qb1 was best. } { [%clk 0:03:25] } 45... Qf5 { [%eval -3.46] [%clk 0:00:59] } 46. Ra1 { [%eval -4.16] [%clk 0:13:34] } 46... Rc3 { [%eval -4.28] [%clk 0:14:34] } 47. Rd1 { [%eval -5.22] [%clk 0:14:03] } 47... g4?! { [%eval -4.02] } { Inaccuracy. Rc2 was best. } { [%clk 0:14:04] } 48. e4 { [%eval -5.02] [%clk 0:13:26] } 48... Qf4 { [%eval -5.27] [%clk 0:12:33] } 49. Qd2 { [%eval -5.42] [%clk 0:13:49] } 49... Qxd2 { [%eval -5.53] [%clk 0:10:53] } 50. Rxd2 { [%eval -5.52] [%clk 0:14:17] } 50... d3 { [%eval -5.46] [%clk 0:11:09] } 0-1