Event: marianky-2025
Date: 2025-01-18
White: Otsuka, Shou
WhiteTitle: FM
WhiteElo: 2214
Black: Natsidis, Christoph
BlackTitle: FM
BlackElo: 2351
Result: 1/2-1/2
ECO: B42
Opening: Sicilian Defense: Kan Variation, Modern Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:56] } 2. Nf3 { [%eval 0.2] [%clk 1:31:22] } 2... e6 { [%eval 0.28] [%clk 1:31:22] } 3. d4 { [%eval 0.4] [%clk 1:31:19] } 3... cxd4 { [%eval 0.29] [%clk 1:31:48] } 4. Nxd4 { [%eval 0.23] [%clk 1:31:45] } 4... a6 { [%eval 0.42] [%clk 1:32:16] } 5. Bd3 { [%eval 0.45] [%clk 1:31:53] } 5... Nf6 { [%eval 0.55] [%clk 1:32:35] } 6. O-O { [%eval 0.5] [%clk 1:30:54] } 6... Qc7 { [%eval 0.48] [%clk 1:33:01] } 7. Qe2 { [%eval 0.62] [%clk 1:30:56] } 7... d6 { [%eval 0.49] [%clk 1:33:27] } 8. c4 { [%eval 0.56] [%clk 1:31:17] } 8... g6 { [%eval 0.86] [%clk 1:33:54] } 9. Nc3 { [%eval 0.91] [%clk 1:31:24] } 9... Bg7 { [%eval 0.93] [%clk 1:34:20] } 10. Rd1 { [%eval 0.85] [%clk 1:30:19] } 10... O-O { [%eval 0.77] [%clk 1:34:02] } 11. Be3 { [%eval 0.8] [%clk 1:30:22] } 11... Nc6 { [%eval 0.9] [%clk 1:34:07] } 12. Nxc6 { [%eval 0.69] [%clk 1:27:49] } 12... bxc6 { [%eval 0.69] [%clk 1:33:51] } 13. Rac1 { [%eval 0.27] [%clk 1:27:21] } 13... c5 { [%eval 0.37] [%clk 1:34:09] } 14. h3 { [%eval 0.28] [%clk 1:08:09] } 14... Nd7 { [%eval 0.31] [%clk 1:09:14] } 15. Qd2 { [%eval 0.3] [%clk 1:07:20] } 15... Ne5 { [%eval 0.36] [%clk 1:08:57] } 16. Bh6 { [%eval 0.03] [%clk 0:55:51] } 16... Nc6 { [%eval 0.08] [%clk 1:02:29] } 17. Bxg7 { [%eval 0.03] [%clk 0:55:25] } 17... Kxg7 { [%eval 0.08] [%clk 1:02:56] } 18. f4 { [%eval -0.02] [%clk 0:53:56] } 18... Nd4 { [%eval -0.02] [%clk 0:59:14] } 19. Ne2 { [%eval 0.0] [%clk 0:53:06] } 19... e5 { [%eval 0.0] [%clk 0:58:18] } 20. Rf1 { [%eval -0.08] [%clk 0:50:30] } 20... f6 { [%eval -0.02] [%clk 0:49:35] } 21. Nxd4 { [%eval -0.09] [%clk 0:47:20] } 21... exd4 { [%eval -0.04] [%clk 0:48:30] } 22. b4 { [%eval -0.03] [%clk 0:47:21] } 22... Bb7 { [%eval 0.0] [%clk 0:47:20] } 23. Rfe1 { [%eval -0.03] [%clk 0:46:35] } 23... Rfe8 { [%eval -0.06] [%clk 0:46:26] } 24. Re2 { [%eval -0.12] [%clk 0:45:24] } 24... Re7 { [%eval -0.12] [%clk 0:44:42] } 25. a3 { [%eval -0.16] [%clk 0:44:26] } 25... Rae8 { [%eval -0.16] [%clk 0:44:32] } 26. Rce1 { [%eval -0.16] [%clk 0:44:34] } 26... Bc6 { [%eval -0.09] [%clk 0:36:30] } 27. Kh2 { [%eval -0.16] [%clk 0:42:19] } 27... Qb8 { [%eval -0.16] [%clk 0:25:42] } 28. b5?? { [%eval -2.7] } { Blunder. Kg1 was best. } { [%clk 0:40:54] } 28... axb5 { [%eval -2.61] [%clk 0:24:56] } 29. cxb5 { [%eval -2.82] [%clk 0:41:17] } 29... Bxb5 { [%eval -2.83] [%clk 0:24:06] } 30. Rb1 { [%eval -2.85] [%clk 0:30:15] } 30... Rb7 { [%eval -2.61] [%clk 0:24:16] } 31. Bxb5 { [%eval -2.94] [%clk 0:30:37] } 31... Rxb5 { [%eval -3.03] [%clk 0:24:42] } 32. Rf1 { [%eval -3.18] [%clk 0:31:03] } 32... Rb7 { [%eval -2.74] [%clk 0:22:49] } 33. Kh1 { [%eval -3.21] [%clk 0:24:47] } 33... Rbe7 { [%eval -3.27] [%clk 0:22:29] } 34. Rfe1 { [%eval -3.7] [%clk 0:24:15] } 34... Qb3 { [%eval -3.74] [%clk 0:17:01] } 35. Qa5 { [%eval -4.14] [%clk 0:21:23] } 35... d3 { [%eval -4.33] [%clk 0:12:00] } 36. Rd2 { [%eval -4.23] [%clk 0:21:51] } 36... c4 { [%eval -4.39] [%clk 0:07:15] } 37. Qd5 { [%eval -4.33] [%clk 0:22:08] } 37... Qc3 { [%eval -4.22] [%clk 0:07:34] } 38. Rdd1 { [%eval -4.02] [%clk 0:22:04] } 38... Qc2?! { [%eval -2.57] } { Inaccuracy. f5 was best. } { [%clk 0:06:18] } 39. Kh2 { [%eval -2.45] [%clk 0:20:54] } 39... Qf2?? { [%eval -0.32] } { Blunder. Qa4 was best. } { [%clk 0:02:24] } 40. Qxc4 { [%eval -0.32] [%clk 0:16:59] } 40... Qxf4+ { [%eval -0.46] [%clk 0:02:50] } 41. Kh1 { [%eval -0.41] [%clk 0:14:02] } 41... Rxe4 { [%eval -0.12] [%clk 0:26:42] } 42. Rxe4 { [%eval -0.13] [%clk 0:44:03] } 42... Rxe4 { [%eval -0.16] [%clk 0:27:02] } 43. Qxd3 { [%eval -0.14] [%clk 0:43:28] } 43... Re3 { [%eval -0.21] [%clk 0:27:25] } 44. Qd5 { [%eval -0.14] [%clk 0:40:26] } 44... Qe5 { [%eval -0.27] [%clk 0:23:42] } 45. Qb7+?! { [%eval -0.88] } { Inaccuracy. Qxe5 was best. } { [%clk 0:39:52] } 45... Kh6 { [%eval -0.9] [%clk 0:22:56] } 46. Qb4 { [%eval -1.05] [%clk 0:38:26] } 46... g5 { [%clk 0:20:21] } 47. Qb8 { [%clk 0:35:20] } 47... Re1+ { [%clk 0:14:05] } 48. Rxe1 { [%clk 0:35:48] } 48... Qxe1+ { [%clk 0:14:32] } 49. Kh2 { [%clk 0:36:12] } 49... Qe5+ { [%clk 0:15:00] } 50. Kh1 { [%clk 0:36:29] } 50... Qa1+ { [%clk 0:15:11] } 51. Kh2 { [%clk 0:36:55] } 51... Qxa3 { [%clk 0:15:21] } 52. Qf8+ { [%clk 0:37:08] } 52... Kg6 { [%clk 0:15:47] } 53. Qg8+ { [%clk 0:37:31] } 53... Kf5 { [%clk 0:16:01] } 54. Qd5+ { [%clk 0:37:30] } 54... Kg6 { [%clk 0:16:08] } 55. Qg8+ { [%clk 0:37:51] } 55... Kf5 { [%clk 0:16:35] } 56. Qd5+ { [%clk 0:38:13] } 56... Kg6 { [%clk 0:17:01] } 1/2-1/2