Event: Round 4: Gruenhagen, Marc, Dr. - Cornelissen, Jort
Date: 2025-07-25
White: Gruenhagen, Marc, Dr.
WhiteElo: 2032
Black: Cornelissen, Jort
BlackElo: 1833
Result: 1-0
ECO: E12
Opening: Queen's Indian Defense: Petrosian Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:54] } 1... Nf6 { [%eval 0.19] [%clk 1:23:28] } 2. c4 { [%eval 0.18] [%clk 1:30:40] } 2... e6 { [%eval 0.14] [%clk 1:23:34] } 3. Nf3 { [%eval 0.11] [%clk 1:30:33] } 3... b6 { [%eval 0.23] [%clk 1:23:54] } 4. a3 { [%eval 0.18] [%clk 1:29:53] } 4... Bb7 { [%eval 0.14] [%clk 1:22:56] } 5. e3 { [%eval 0.0] [%clk 1:28:38] } 5... c5 { [%eval 0.35] [%clk 1:18:39] } 6. Nc3 { [%eval 0.3] [%clk 1:26:26] } 6... g6 { [%eval 0.48] [%clk 0:58:45] } 7. d5 { [%eval 0.47] [%clk 1:20:01] } 7... exd5 { [%eval 0.82] [%clk 0:58:36] } 8. cxd5 { [%eval 0.89] [%clk 1:20:18] } 8... d6 { [%eval 0.84] [%clk 0:58:56] } 9. Be2 { [%eval 0.59] [%clk 1:13:54] } 9... Bg7 { [%eval 0.73] [%clk 0:56:25] } 10. O-O { [%eval 0.52] [%clk 1:13:47] } 10... O-O { [%eval 0.59] [%clk 0:56:36] } 11. e4 { [%eval 0.55] [%clk 1:11:03] } 11... Ba6 { [%eval 1.04] [%clk 0:53:42] } 12. Re1 { [%eval 0.64] [%clk 1:05:22] } 12... c4? { [%eval 2.09] } { Mistake. Re8 was best. } { [%clk 0:44:16] } 13. Bf4 { [%eval 1.98] [%clk 0:57:55] } 13... Nh5 { [%eval 2.51] [%clk 0:41:36] } 14. Bg5 { [%eval 2.42] [%clk 0:54:44] } 14... Qc7 { [%eval 2.57] [%clk 0:35:44] } 15. Nd4 { [%eval 2.45] [%clk 0:52:03] } 15... h6 { [%eval 2.65] [%clk 0:34:21] } 16. Be3 { [%eval 2.67] [%clk 0:51:48] } 16... Nf6 { [%eval 2.74] [%clk 0:33:13] } 17. Qd2 { [%eval 2.65] [%clk 0:49:40] } 17... Kh7 { [%eval 2.66] [%clk 0:30:44] } 18. Qc2?! { [%eval 2.0] } { Inaccuracy. f3 was best. } { [%clk 0:44:29] } 18... Qd7?! { [%eval 2.68] } { Inaccuracy. Nbd7 was best. } { [%clk 0:23:53] } 19. h3 { [%eval 2.56] [%clk 0:40:02] } 19... Rc8 { [%eval 2.95] [%clk 0:20:17] } 20. Rad1 { [%eval 2.96] [%clk 0:39:16] } 20... Bb7 { [%eval 3.2] [%clk 0:19:08] } 21. f4 { [%eval 3.1] [%clk 0:36:13] } 21... a6 { [%eval 3.7] [%clk 0:11:54] } 22. Bf3 { [%eval 3.75] [%clk 0:34:44] } 22... Re8 { [%eval 3.69] [%clk 0:10:40] } 23. Bf2 { [%eval 3.64] [%clk 0:32:35] } 23... Qd8 { [%eval 4.41] [%clk 0:05:33] } 24. g4? { [%eval 2.37] } { Mistake. e5 was best. } { [%clk 0:26:48] } 24... Nfd7 { [%eval 2.66] [%clk 0:05:32] } 25. b4?! { [%eval 1.66] } { Inaccuracy. e5 was best. } { [%clk 0:15:11] } 25... cxb3 { [%eval 1.6] [%clk 0:05:39] } 26. Nxb3 { [%eval 1.46] [%clk 0:13:40] } 26... Qc7 { [%eval 1.56] [%clk 0:05:11] } 27. Bd4 { [%eval 1.86] [%clk 0:10:48] } 27... Bxd4+ { [%eval 2.01] [%clk 0:04:48] } 28. Rxd4? { [%eval 0.53] } { Mistake. Nxd4 was best. } { [%clk 0:09:08] } 28... Nc5 { [%eval 0.48] [%clk 0:05:08] } 29. Na4 { [%eval 0.51] [%clk 0:07:35] } 29... Nbd7 { [%eval 0.61] [%clk 0:04:06] } 30. Naxc5 { [%eval 0.66] [%clk 0:07:11] } 30... bxc5 { [%eval 0.41] [%clk 0:03:16] } 31. Rdd1 { [%eval 0.68] [%clk 0:06:49] } 31... Rac8 { [%eval 0.5] [%clk 0:02:51] } 32. Kh2 { [%eval 0.28] [%clk 0:05:10] } 32... c4 { [%eval 0.32] [%clk 0:02:08] } 33. Nd4 { [%eval 0.23] [%clk 0:05:21] } 33... Qa5 { [%eval 0.33] [%clk 0:02:24] } 34. Qb2 { [%eval -0.18] [%clk 0:03:41] } 34... Bxd5 { [%eval -0.18] [%clk 0:02:21] } 35. Qb4 { [%eval -0.25] [%clk 0:03:51] } 35... Qxb4 { [%eval -0.26] [%clk 0:02:17] } 36. axb4 { [%eval -0.29] [%clk 0:04:19] } 36... Bb7 { [%eval -0.18] [%clk 0:00:40] } 37. Nc2 { [%eval -0.3] [%clk 0:04:21] } 37... Nf6 { [%eval 0.0] [%clk 0:00:41] } 38. Rxd6 { [%eval 0.0] [%clk 0:03:57] } 38... Nxe4 { [%eval 0.12] [%clk 0:00:52] } 39. Rd7 { [%eval 0.12] [%clk 0:04:03] } 39... Ng5?? { [%eval 4.83] } { Blunder. Bc6 was best. } { [%clk 0:00:32] } 40. Bxb7 { [%eval 4.87] [%clk 0:01:53] } 40... Rxe1 { [%eval 5.63] [%clk 0:00:45] } 41. Nxe1 { [%eval 5.88] [%clk 0:29:30] } 41... Re8 { [%eval 5.74] [%clk 0:31:04] } 42. fxg5 { [%eval 5.76] [%clk 0:27:28] } 42... Rxe1 { [%eval 5.52] [%clk 0:31:19] } 43. Rxf7+ { [%eval 5.61] [%clk 0:24:39] } 43... Kg8 { [%eval 5.43] [%clk 0:31:26] } 44. Bd5 { [%eval 5.56] [%clk 0:23:05] } 44... Re2+?? { [%eval #12] } { Checkmate is now unavoidable. Kh8 was best. } { [%clk 0:31:16] } 45. Rf2+ { [%eval #12] [%clk 0:22:38] } 1-0