Event: 2025 Oceania Zonal 3.6
Site: Melbourne, Australia
Date: 2025-01-26
White: Cheng, Chao Xin
WhiteTitle: WCM
WhiteElo: 1833
Black: Shen, Zhiyuan
BlackTitle: WFM
BlackElo: 2050
Result: 1/2-1/2
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard
TimeControl: 1:30.00 + 30 seconds increment from move 1

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:52] } 2. Nf3 { [%eval 0.2] [%clk 1:31:19] } 2... Nc6 { [%eval 0.25] [%clk 1:31:16] } 3. Bb5 { [%eval 0.28] [%clk 1:31:38] } 3... e5 { [%eval 0.4] [%clk 1:31:03] } 4. Bxc6 { [%eval 0.0] [%clk 1:29:57] } 4... dxc6 { [%eval 0.07] [%clk 1:30:18] } 5. d3 { [%eval 0.0] [%clk 1:28:39] } 5... Bd6 { [%eval 0.06] [%clk 1:28:44] } 6. Be3 { [%eval 0.04] [%clk 1:26:12] } 6... Nf6 { [%eval 0.09] [%clk 1:25:44] } 7. h3 { [%eval -0.05] [%clk 1:18:14] } 7... O-O { [%eval 0.19] [%clk 1:22:20] } 8. Nbd2 { [%eval 0.11] [%clk 1:13:36] } 8... Qe7 { [%eval 0.23] [%clk 1:19:42] } 9. O-O { [%eval 0.08] [%clk 1:05:43] } 9... Rd8 { [%eval 0.27] [%clk 1:15:33] } 10. Nh2 { [%eval 0.08] [%clk 1:02:36] } 10... b5 { [%eval 0.16] [%clk 1:11:08] } 11. Qe2 { [%eval 0.07] [%clk 0:57:58] } 11... Be6 { [%eval 0.26] [%clk 1:07:15] } 12. Ng4 { [%eval -0.2] [%clk 0:48:33] } 12... Nxg4 { [%eval 0.12] [%clk 0:53:14] } 13. hxg4 { [%eval 0.07] [%clk 0:48:48] } 13... Qh4 { [%eval 0.11] [%clk 0:48:59] } 14. f3 { [%eval 0.13] [%clk 0:42:37] } 14... g6 { [%eval 0.52] [%clk 0:41:59] } 15. Bf2 { [%eval 0.32] [%clk 0:36:50] } 15... Qf6 { [%eval 0.48] [%clk 0:39:24] } 16. Be3 { [%eval 0.42] [%clk 0:31:38] } 16... Qh4 { [%eval 0.49] [%clk 0:30:48] } 17. Bf2 { [%eval 0.33] [%clk 0:31:58] } 17... Qe7 { [%eval 0.36] [%clk 0:30:48] } 18. g3 { [%eval -0.13] [%clk 0:26:54] } 18... Qd7?! { [%eval 0.48] } { Inaccuracy. Rd7 was best. } { [%clk 0:25:55] } 19. Be3 { [%eval 0.41] [%clk 0:24:26] } 19... h5? { [%eval 1.78] } { Mistake. c4 was best. } { [%clk 0:23:16] } 20. gxh5 { [%eval 1.78] [%clk 0:22:54] } 20... gxh5 { [%eval 1.76] [%clk 0:23:39] } 21. Kf2?! { [%eval 1.16] } { Inaccuracy. Qh2 was best. } { [%clk 0:16:40] } 21... Kg7 { [%eval 1.27] [%clk 0:22:49] } 22. Rh1 { [%eval 1.11] [%clk 0:15:33] } 22... Rh8 { [%eval 1.06] [%clk 0:23:11] } 23. Rh2 { [%eval 1.07] [%clk 0:15:32] } 23... Rh7 { [%eval 1.25] [%clk 0:22:11] } 24. Rah1 { [%eval 1.14] [%clk 0:15:04] } 24... Rah8 { [%eval 1.2] [%clk 0:22:24] } 25. Qf1 { [%eval 1.03] [%clk 0:10:17] } 25... Qd8 { [%eval 1.21] [%clk 0:18:54] } 26. f4 { [%eval 1.11] [%clk 0:07:32] } 26... Bg4 { [%eval 1.27] [%clk 0:16:00] } 27. Nf3?! { [%eval 0.47] } { Inaccuracy. f5 was best. } { [%clk 0:05:34] } 27... exf4 { [%eval 0.75] [%clk 0:11:23] } 28. gxf4 { [%eval 0.77] [%clk 0:05:54] } 28... f6 { [%eval 0.96] [%clk 0:10:22] } 29. Rh4 { [%eval 0.67] [%clk 0:05:41] } 29... Qc7 { [%eval 0.51] [%clk 0:09:40] } 30. Qg2 { [%eval 0.49] [%clk 0:05:20] } 30... Bxf4? { [%eval 1.69] } { Mistake. Kf8 was best. } { [%clk 0:07:12] } 31. Bxc5?? { [%eval 0.0] } { Blunder. Rxg4+ was best. } { [%clk 0:04:05] } 31... Bg5 { [%eval 0.0] [%clk 0:05:48] } 32. Nxg5? { [%eval -1.64] } { Mistake. R4h2 was best. } { [%clk 0:04:01] } 32... fxg5 { [%eval -1.24] [%clk 0:06:10] } 33. Bd4+?? { [%eval -3.49] } { Blunder. Qh2 was best. } { [%clk 0:04:09] } 33... Kg6 { [%eval -3.41] [%clk 0:06:20] } 34. Bxh8 { [%eval -3.91] [%clk 0:02:09] } 34... Qf4+? { [%eval -2.23] } { Mistake. gxh4 was best. } { [%clk 0:04:52] } 35. Kg1 { [%eval -2.18] [%clk 0:02:15] } 35... gxh4 { [%eval -2.04] [%clk 0:04:25] } 36. Bd4 { [%eval -2.04] [%clk 0:02:29] } 36... Rf7?! { [%eval -1.41] } { Inaccuracy. Rd7 was best. } { [%clk 0:02:09] } 37. Rxh4 { [%eval -1.91] [%clk 0:02:25] } 37... Qc1+?? { [%eval 0.0] } { Blunder. Kh7 was best. } { [%clk 0:02:02] } 38. Kh2 { [%eval -0.05] [%clk 0:02:50] } 38... Qg5 { [%eval -0.03] [%clk 0:01:46] } 39. Bf2?? { [%eval -1.98] } { Blunder. Qg3 was best. } { [%clk 0:02:54] } 39... Qe5+ { [%eval -1.5] [%clk 0:00:59] } 40. Kg1 { [%eval -1.24] [%clk 0:02:09] } 40... Qxb2? { [%eval 0.0] } { Mistake. Qg5 was best. } { [%clk 0:00:31] } 41. Rxg4+ { [%eval 0.0] [%clk 0:00:56] } 41... hxg4 { [%eval 0.0] [%clk 0:01:27] } 42. Qxg4+ { [%eval 0.0] [%clk 0:01:23] } 42... Kh7 { [%eval 0.0] [%clk 0:01:07] } 43. Qh5+? { [%eval -1.32] } { Mistake. Qh3+ was best. } { [%clk 0:01:41] } 43... Kg8 { [%eval -1.59] [%clk 0:01:21] } 44. Qc5?? { [%eval -4.43] } { Blunder. Qh3 was best. } { [%clk 0:01:50] } 44... Qc1+ { [%eval -4.46] [%clk 0:01:21] } 45. Kg2 { [%eval -4.29] [%clk 0:01:59] } 45... Qf4? { [%eval -2.1] } { Mistake. Qd1 was best. } { [%clk 0:01:18] } 46. Qe3 { [%eval -1.93] [%clk 0:01:56] } 46... Rg7+? { [%eval -0.7] } { Mistake. Qg4+ was best. } { [%clk 0:01:12] } 47. Kf1 { [%eval -0.42] [%clk 0:02:14] } 47... Qxe3 { [%eval -0.42] [%clk 0:00:49] } 48. Bxe3 { [%eval -0.47] [%clk 0:02:40] } 48... a6 { [%eval -0.51] [%clk 0:00:44] } 49. Ke1 { [%eval -0.61] [%clk 0:02:56] } 49... Rg2 { [%eval -0.45] [%clk 0:01:05] } 50. Kd1 { [%eval -0.43] [%clk 0:03:19] } 50... Kf7 { [%eval -0.36] [%clk 0:01:29] } 51. Kc1 { [%eval -0.39] [%clk 0:03:41] } 51... Ke6 { [%eval -0.37] [%clk 0:01:42] } 52. Kb2 { [%eval -0.6] [%clk 0:04:02] } 52... Rg3 { [%eval -0.42] [%clk 0:02:00] } 53. Bc5 { [%eval -0.49] [%clk 0:04:20] } 53... Rg4 { [%eval -0.43] [%clk 0:01:31] } 54. Kb3 { [%eval -0.45] [%clk 0:04:41] } 54... a5 { [%eval -0.15] [%clk 0:01:33] } 55. a3 { [%eval -0.52] [%clk 0:04:39] } 55... Rg3 { [%eval -0.15] [%clk 0:01:21] } 56. Kc3 { [%eval -0.22] [%clk 0:04:51] } 56... Rh3 { [%eval -0.19] [%clk 0:01:36] } 57. Bb6 { [%eval -0.45] [%clk 0:04:53] } 57... a4 { [%eval -0.45] [%clk 0:01:33] } 58. Bc5 { [%eval -0.47] [%clk 0:05:19] } 58... Rh5 { [%eval 0.0] [%clk 0:01:11] } 59. Kd4 { [%eval 0.0] [%clk 0:05:03] } 59... Rg5 { [%eval 0.0] [%clk 0:01:21] } 60. Bb4 { [%eval 0.0] [%clk 0:05:04] } 60... Rg2 { [%eval 0.0] [%clk 0:01:29] } 61. c3 { [%eval 0.0] [%clk 0:03:11] } 61... Rg5 { [%eval 0.0] [%clk 0:01:24] } 62. Bc5 { [%eval 0.0] [%clk 0:03:08] } 62... Rg7 { [%eval 0.0] [%clk 0:01:33] } 63. Bb4 { [%eval -0.02] [%clk 0:03:09] } 63... Rd7+ { [%eval 0.0] [%clk 0:01:15] } 64. Kc5 { [%eval 0.0] [%clk 0:03:02] } 64... Rc7 { [%eval 0.0] [%clk 0:00:37] } 65. Kb6 { [%eval 0.0] [%clk 0:02:13] } 65... Kd7 { [%eval 0.0] [%clk 0:00:47] } 66. Kc5 { [%eval 0.0] [%clk 0:02:32] } 66... Rc8 { [%eval 0.0] [%clk 0:01:02] } 67. d4 { [%eval 0.0] [%clk 0:02:34] } 67... Re8 { [%eval 0.0] [%clk 0:00:40] } 68. d5 { [%eval 0.0] [%clk 0:02:24] } 68... Re5 { [%eval 0.0] [%clk 0:00:44] } 69. Kd4 { [%eval 0.0] [%clk 0:02:20] } 69... Rh5 { [%eval 0.0] [%clk 0:01:04] } 70. Bc5 { [%eval 0.0] [%clk 0:01:43] } 70... Rh1 { [%eval 0.0] [%clk 0:01:10] } 71. Bb4 { [%eval 0.0] [%clk 0:02:02] } 71... Rh4 { [%eval 0.0] [%clk 0:00:57] } 1/2-1/2