Event: Round 4: Martijn Otten - John Raymond Markus
Date: 2023-07-28
White: Martijn Otten
Black: John Raymond Markus
Result: 1-0
ECO: A42
Opening: Modern Defense: Averbakh System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:58] } 1... g6?! { [%eval 0.68] } { Inaccuracy. Nf6 was best. } { [%clk 1:30:55] } 2. c4 { [%eval 0.25] [%clk 1:31:21] } 2... Bg7 { [%eval 0.65] [%clk 1:31:19] } 3. Nc3 { [%eval 0.5] [%clk 1:31:38] } 3... d6 { [%eval 0.72] [%clk 1:31:42] } 4. e4 { [%eval 0.43] [%clk 1:32:03] } 4... e5 { [%eval 0.67] [%clk 1:31:48] } 5. Nge2 { [%eval 0.59] [%clk 1:32:30] } 5... exd4 { [%eval 0.71] [%clk 1:30:38] } 6. Nxd4 { [%eval 0.78] [%clk 1:32:52] } 6... Ne7 { [%eval 0.84] [%clk 1:30:59] } 7. h4 { [%eval 0.56] [%clk 1:31:20] } 7... h6 { [%eval 1.11] [%clk 1:31:16] } 8. h5?! { [%eval 0.07] } { Inaccuracy. Be3 was best. } { [%clk 1:30:38] } 8... g5 { [%eval 0.23] [%clk 1:31:10] } 9. Be3 { [%eval 0.27] [%clk 1:30:18] } 9... Nbc6 { [%eval 0.05] [%clk 1:31:19] } 10. Qd2 { [%eval 0.11] [%clk 1:28:28] } 10... O-O { [%eval 0.5] [%clk 1:31:04] } 11. O-O-O { [%eval 0.54] [%clk 1:27:48] } 11... f5 { [%eval 0.28] [%clk 1:23:18] } 12. f3 { [%eval -0.08] [%clk 1:12:03] } 12... f4 { [%eval 0.18] [%clk 1:05:17] } 13. Bf2 { [%eval 0.6] [%clk 1:11:34] } 13... Ne5 { [%eval 0.26] [%clk 1:04:05] } 14. Be2 { [%eval 0.72] [%clk 1:08:00] } 14... a6 { [%eval -0.01] [%clk 1:03:39] } 15. g3 { [%eval 0.32] [%clk 1:01:32] } 15... fxg3 { [%eval 0.76] [%clk 0:49:33] } 16. Bxg3 { [%eval 0.65] [%clk 1:01:19] } 16... c5?! { [%eval 1.41] } { Inaccuracy. N7c6 was best. } { [%clk 0:49:26] } 17. Nb3 { [%eval 1.41] [%clk 1:00:03] } 17... Nxf3 { [%eval 1.15] [%clk 0:32:54] } 18. Qxd6 { [%eval 1.46] [%clk 1:00:25] } 18... Nd4 { [%eval 1.09] [%clk 0:29:15] } 19. Qxc5? { [%eval -0.28] } { Mistake. Nxd4 was best. } { [%clk 0:56:32] } 19... Nxe2+ { [%eval 0.36] [%clk 0:27:29] } 20. Nxe2 { [%eval -0.13] [%clk 0:57:00] } 20... Qe8 { [%eval 0.03] [%clk 0:26:15] } 21. Be5 { [%eval 0.0] [%clk 0:41:30] } 21... Bxe5 { [%eval 0.52] [%clk 0:23:45] } 22. Qxe5 { [%eval 0.44] [%clk 0:41:59] } 22... Bg4?! { [%eval 1.03] } { Inaccuracy. Nc6 was best. } { [%clk 0:23:40] } 23. Rd6 { [%eval 1.07] [%clk 0:38:47] } 23... Qf7 { [%eval 1.53] [%clk 0:17:23] } 24. Nc3 { [%eval 1.94] [%clk 0:36:17] } 24... Qg7 { [%eval 1.88] [%clk 0:08:09] } 25. Qxg7+ { [%eval 1.75] [%clk 0:26:04] } 25... Kxg7 { [%eval 2.13] [%clk 0:08:38] } 26. Nc5? { [%eval 0.94] } { Mistake. Rg1 was best. } { [%clk 0:26:20] } 26... Rf2? { [%eval 2.2] } { Mistake. Rac8 was best. } { [%clk 0:07:43] } 27. Nd3 { [%eval 1.63] [%clk 0:24:49] } 27... Rg2 { [%eval 2.23] [%clk 0:07:22] } 28. Ne5 { [%eval 2.98] [%clk 0:20:07] } 28... Rf8 { [%eval 2.61] [%clk 0:07:12] } 29. Nxg4 { [%eval 2.57] [%clk 0:19:43] } 29... Rxg4 { [%eval 2.61] [%clk 0:07:39] } 30. Rd7 { [%eval 2.65] [%clk 0:20:08] } 30... Rf7 { [%eval 2.59] [%clk 0:07:32] } 31. Rxb7 { [%eval 2.98] [%clk 0:20:30] } 31... Rh4 { [%eval 3.08] [%clk 0:05:42] } 32. Rd1 { [%eval 2.78] [%clk 0:19:48] } 32... g4?! { [%eval 4.14] } { Inaccuracy. Ng8 was best. } { [%clk 0:05:07] } 33. Rdd7 { [%eval 4.2] [%clk 0:18:32] } 33... g3?! { [%eval 5.49] } { Inaccuracy. Rh1+ was best. } { [%clk 0:05:25] } 34. Rxe7 { [%eval 5.47] [%clk 0:18:56] } 34... Rxe7 { [%eval 5.21] [%clk 0:05:06] } 35. Rxe7+ { [%eval 5.51] [%clk 0:19:24] } 35... Kf8 { [%eval 5.21] [%clk 0:04:51] } 36. Re5? { [%eval 2.65] } { Mistake. Re6 was best. } { [%clk 0:19:08] } 36... g2 { [%eval 2.76] [%clk 0:03:00] } 37. Ne2 { [%eval 2.76] [%clk 0:19:34] } 37... Rh1+ { [%eval 2.83] [%clk 0:02:38] } 38. Kd2 { [%eval 2.84] [%clk 0:17:12] } 38... Rb1 { [%eval 2.67] [%clk 0:03:02] } 39. Kc3 { [%eval 2.54] [%clk 0:13:14] } 39... Re1?! { [%eval 4.0] } { Inaccuracy. Rc1+ was best. } { [%clk 0:02:51] } 40. Re6 { [%eval 3.84] [%clk 0:13:33] } 40... Rxe2 { [%eval 4.43] [%clk 0:02:30] } 41. Rg6 { [%eval 4.18] [%clk 0:13:57] } 41... a5 { [%eval 4.36] [%clk 0:30:28] } 42. a3?! { [%eval 3.23] } { Inaccuracy. a4 was best. } { [%clk 0:43:00] } 42... a4 { [%eval 3.31] [%clk 0:30:08] } 43. b4 { [%eval 3.43] [%clk 0:41:23] } 43... Ra2?? { [%eval 8.13] } { Blunder. axb3 was best. } { [%clk 0:25:06] } 44. Kd4 { [%eval 8.06] [%clk 0:41:38] } 44... Rxa3 { [%eval 8.24] [%clk 0:25:12] } 45. Rxg2 { [%eval 8.28] [%clk 0:42:03] } 45... Rb3 { [%eval 8.65] [%clk 0:24:56] } 46. b5 { [%eval 8.77] [%clk 0:41:56] } 46... a3 { [%eval 8.84] [%clk 0:25:10] } 47. Rg6 { [%eval 8.89] [%clk 0:41:47] } 1-0