Event: Round 5: Jan Karsten - Calvin John Klaasen
Date: 2023-06-11
White: Jan Karsten
Black: Calvin John Klaasen
Result: 1/2-1/2
ECO: C92
Opening: Ruy Lopez: Closed, Zaitsev System
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... e5 { [%eval 0.35] [%clk 1:30:54] } 2. Nf3 { [%eval 0.29] [%clk 1:31:23] } 2... Nc6 { [%eval 0.32] [%clk 1:31:17] } 3. Bb5 { [%eval 0.34] [%clk 1:31:48] } 3... a6 { [%eval 0.37] [%clk 1:31:33] } 4. Ba4 { [%eval 0.31] [%clk 1:31:56] } 4... Nf6 { [%eval 0.37] [%clk 1:31:55] } 5. O-O { [%eval 0.29] [%clk 1:32:20] } 5... Be7 { [%eval 0.36] [%clk 1:32:02] } 6. Re1 { [%eval 0.46] [%clk 1:32:43] } 6... b5 { [%eval 0.33] [%clk 1:32:09] } 7. Bb3 { [%eval 0.36] [%clk 1:32:45] } 7... d6 { [%eval 0.33] [%clk 1:32:20] } 8. c3 { [%eval 0.52] [%clk 1:33:07] } 8... O-O { [%eval 0.44] [%clk 1:32:44] } 9. h3 { [%eval 0.5] [%clk 1:33:31] } 9... Re8 { [%eval 0.37] [%clk 1:30:51] } 10. Ng5 { [%eval 0.29] [%clk 1:31:55] } 10... Rf8 { [%eval 0.38] [%clk 1:31:19] } 11. Nf3 { [%eval 0.51] [%clk 1:32:15] } 11... Re8 { [%eval 0.37] [%clk 1:31:30] } 12. d4 { [%eval 0.29] [%clk 1:29:51] } 12... Bf8 { [%eval 0.8] [%clk 1:31:01] } 13. Nbd2 { [%eval 0.44] [%clk 1:29:57] } 13... Bb7 { [%eval 0.38] [%clk 1:31:10] } 14. Bc2 { [%eval 0.41] [%clk 1:29:44] } 14... Nb8 { [%eval 0.28] [%clk 1:29:44] } 15. a4 { [%eval 0.36] [%clk 1:29:03] } 15... Nbd7 { [%eval 0.35] [%clk 1:30:09] } 16. b3 { [%eval 0.34] [%clk 1:26:03] } 16... g6 { [%eval 0.34] [%clk 1:30:11] } 17. Bd3 { [%eval 0.15] [%clk 1:24:38] } 17... c6 { [%eval 0.41] [%clk 1:30:32] } 18. Nf1 { [%eval -0.1] [%clk 1:24:32] } 18... d5 { [%eval -0.06] [%clk 1:23:15] } 19. Nxe5 { [%eval -0.57] [%clk 1:08:19] } 19... dxe4 { [%eval -0.44] [%clk 1:13:23] } 20. Nxd7 { [%eval -0.46] [%clk 1:07:14] } 20... Qxd7 { [%eval -0.58] [%clk 1:12:49] } 21. Bc2 { [%eval -0.71] [%clk 1:07:19] } 21... Nd5 { [%eval -0.82] [%clk 1:11:26] } 22. Bd2 { [%eval -0.73] [%clk 0:58:43] } 22... f5?! { [%eval 0.18] } { Inaccuracy. b4 was best. } { [%clk 1:11:37] } 23. b4 { [%eval 0.08] [%clk 0:51:52] } 23... Kh8 { [%eval 0.01] [%clk 1:02:13] } 24. Bb3 { [%eval 0.03] [%clk 0:50:13] } 24... Qd6 { [%eval 0.45] [%clk 0:56:16] } 25. Qc1 { [%eval 0.47] [%clk 0:48:30] } 25... Bg7 { [%eval 0.43] [%clk 0:50:12] } 26. Bxd5 { [%eval 0.38] [%clk 0:37:49] } 26... cxd5 { [%eval 0.35] [%clk 0:49:10] } 27. Bf4 { [%eval 0.36] [%clk 0:35:43] } 27... Qc6 { [%eval 0.66] [%clk 0:49:24] } 28. axb5 { [%eval 0.43] [%clk 0:34:15] } 28... axb5 { [%eval 0.49] [%clk 0:49:15] } 29. Qb2 { [%eval 0.23] [%clk 0:33:42] } 29... Bf6 { [%eval 0.53] [%clk 0:48:32] } 30. Qd2 { [%eval 0.13] [%clk 0:29:14] } 30... Ra4 { [%eval 0.25] [%clk 0:48:14] } 31. Qe3 { [%eval 0.0] [%clk 0:24:31] } 31... Rc8 { [%eval 0.0] [%clk 0:45:35] } 32. Rxa4 { [%eval -0.45] [%clk 0:21:54] } 32... bxa4 { [%eval -0.7] [%clk 0:46:03] } 33. Rc1 { [%eval -0.71] [%clk 0:22:16] } 33... Ba6 { [%eval -0.43] [%clk 0:42:11] } 34. Nd2 { [%eval -0.91] [%clk 0:21:32] } 34... Bd3?! { [%eval 0.0] } { Inaccuracy. Kg8 was best. } { [%clk 0:41:45] } 35. Be5?! { [%eval -0.98] } { Inaccuracy. Nf3 was best. } { [%clk 0:20:41] } 35... a3?! { [%eval -0.17] } { Inaccuracy. Kg7 was best. } { [%clk 0:34:03] } 36. Qg5 { [%eval -0.64] [%clk 0:16:44] } 36... Bxe5 { [%eval -0.51] [%clk 0:32:42] } 37. dxe5 { [%eval -0.44] [%clk 0:17:06] } 37... Qe6 { [%eval -0.29] [%clk 0:33:02] } 38. Nb3 { [%eval -0.32] [%clk 0:10:57] } 38... Qxe5 { [%eval 0.0] [%clk 0:31:40] } 39. Ra1 { [%eval 0.0] [%clk 0:10:43] } 39... Ra8 { [%eval 0.0] [%clk 0:15:52] } 40. Qc1?? { [%eval -1.97] } { Blunder. Na5 was best. } { [%clk 0:07:54] } 40... a2 { [%eval -1.8] [%clk 0:14:29] } 41. Qb2?! { [%eval -3.12] } { Inaccuracy. Qd2 was best. } { [%clk 0:07:59] } 41... Bb1 { [%eval -2.62] [%clk 0:14:23] } 42. Nd2 { [%eval -3.16] [%clk 0:07:01] } 42... Rc8?? { [%eval -0.15] } { Blunder. e3 was best. } { [%clk 0:11:03] } 43. Nxb1 { [%eval -0.06] [%clk 0:07:14] } 43... axb1=Q+ { [%eval -0.04] [%clk 0:11:22] } 44. Rxb1 { [%eval -0.08] [%clk 0:07:36] } 44... Qxc3 { [%eval -0.05] [%clk 0:11:42] } 45. Qxc3+ { [%eval -0.17] [%clk 0:06:39] } 45... Rxc3 { [%eval -0.16] [%clk 0:12:11] } 46. Rd1 { [%eval -0.11] [%clk 0:06:57] } 46... Rb3 { [%eval -0.15] [%clk 0:10:59] } 47. Rxd5 { [%eval -0.13] [%clk 0:06:38] } 47... Rxb4 { [%eval -0.13] [%clk 0:11:24] } 48. g3 { [%eval -0.07] [%clk 0:06:56] } 48... Rb7 { [%eval 0.0] [%clk 0:11:12] } 49. h4 { [%eval -0.13] [%clk 0:07:07] } 49... Rf7 { [%eval -0.01] [%clk 0:11:16] } 50. Re5 { [%eval -0.19] [%clk 0:07:05] } 50... Kg7 { [%eval -0.12] [%clk 0:11:43] } 51. Kg2 { [%eval -0.15] [%clk 0:06:59] } 51... Kf6 { [%eval -0.2] [%clk 0:12:07] } 52. Ra5 { [%eval -0.26] [%clk 0:07:10] } 52... Re7 { [%eval -0.31] [%clk 0:12:35] } 53. Ra6+ { [%eval -0.2] [%clk 0:07:32] } 53... Re6 { [%eval -0.13] [%clk 0:12:58] } 54. Ra7 { [%eval -0.16] [%clk 0:07:55] } 54... h6 { [%eval -0.09] [%clk 0:12:47] } 55. Rh7 { [%eval -0.13] [%clk 0:07:10] } 55... Re7 { [%eval -0.15] [%clk 0:12:56] } 56. Rh8 { [%eval -0.14] [%clk 0:07:35] } 56... Kg7 { [%eval -0.16] [%clk 0:13:19] } 57. Ra8 { [%eval -0.14] [%clk 0:07:59] } 57... Rf7 { [%eval -0.04] [%clk 0:13:36] } 58. Re8 { [%eval -0.12] [%clk 0:08:12] } 58... g5 { [%eval 0.0] [%clk 0:13:24] } 59. hxg5 { [%eval 0.0] [%clk 0:08:21] } 59... hxg5 { [%eval 0.0] [%clk 0:13:52] } 60. g4 { [%eval 0.0] [%clk 0:08:03] } 60... Kf6 { [%eval 0.0] [%clk 0:14:20] } 61. gxf5 { [%eval 0.0] [%clk 0:08:24] } 61... Kxf5 { [%eval 0.0] [%clk 0:14:48] } 62. f3 { [%eval 0.0] [%clk 0:08:26] } 1/2-1/2