Event: Round 2: Osetrov, Prokhor - Ohng, Wei Zhe Quilliam
Date: 2025-06-24
White: Osetrov, Prokhor
WhiteElo: 1723
Black: Ohng, Wei Zhe Quilliam
BlackElo: 1642
Result: 1-0
ECO: E73
Opening: King's Indian Defense: Averbakh Variation, Geller Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:00] } 1... Nf6 { [%eval 0.19] [%clk 1:30:50] } 2. c4 { [%eval 0.18] [%clk 1:30:25] } 2... g6 { [%eval 0.28] [%clk 1:31:13] } 3. Nc3 { [%eval 0.18] [%clk 1:30:51] } 3... Bg7 { [%eval 0.51] [%clk 1:31:37] } 4. e4 { [%eval 0.4] [%clk 1:31:17] } 4... d6 { [%eval 0.55] [%clk 1:32:02] } 5. Be2 { [%eval 0.51] [%clk 1:31:43] } 5... O-O { [%eval 0.48] [%clk 1:32:25] } 6. Bg5 { [%eval 0.18] [%clk 1:32:10] } 6... Nbd7 { [%eval 0.57] [%clk 1:32:47] } 7. Qd2 { [%eval 0.54] [%clk 1:32:34] } 7... e5 { [%eval 0.64] [%clk 1:25:30] } 8. d5 { [%eval 0.86] [%clk 1:32:54] } 8... a5 { [%eval 1.04] [%clk 1:25:25] } 9. f3 { [%eval 0.82] [%clk 1:32:46] } 9... Nc5 { [%eval 0.96] [%clk 1:25:42] } 10. h4 { [%eval 1.04] [%clk 1:32:14] } 10... Qe8 { [%eval 1.05] [%clk 1:24:29] } 11. g4 { [%eval 1.03] [%clk 1:31:12] } 11... Nfd7?! { [%eval 1.73] } { Inaccuracy. h5 was best. } { [%clk 0:38:52] } 12. Nb5 { [%eval 1.95] [%clk 1:27:14] } 12... Na6 { [%eval 1.85] [%clk 0:38:56] } 13. h5 { [%eval 1.77] [%clk 1:21:30] } 13... b6 { [%eval 2.12] [%clk 0:28:22] } 14. O-O-O { [%eval 2.05] [%clk 1:18:41] } 14... f6 { [%eval 2.14] [%clk 0:25:50] } 15. Be3 { [%eval 2.29] [%clk 1:17:16] } 15... g5 { [%eval 2.94] [%clk 0:25:52] } 16. h6 { [%eval 2.85] [%clk 1:17:33] } 16... Bh8 { [%eval 2.77] [%clk 0:25:13] } 17. Rh5 { [%eval 2.59] [%clk 1:16:13] } 17... Rf7 { [%eval 2.68] [%clk 0:21:22] } 18. Nh3 { [%eval 2.55] [%clk 1:12:28] } 18... Nf8 { [%eval 2.75] [%clk 0:19:06] } 19. Nf2 { [%eval 2.7] [%clk 1:12:07] } 19... Ng6 { [%eval 2.61] [%clk 0:17:56] } 20. Nd3 { [%eval 2.14] [%clk 1:10:07] } 20... Bd7 { [%eval 2.44] [%clk 0:16:40] } 21. Kb1 { [%eval 1.94] [%clk 1:08:32] } 21... Bxb5?! { [%eval 2.77] } { Inaccuracy. Nf4 was best. } { [%clk 0:14:27] } 22. cxb5 { [%eval 2.84] [%clk 1:08:57] } 22... Nc5 { [%eval 2.8] [%clk 0:14:25] } 23. Nxc5 { [%eval 2.44] [%clk 1:09:03] } 23... dxc5 { [%eval 3.06] [%clk 0:14:40] } 24. Bc4 { [%eval 3.19] [%clk 1:08:22] } 24... Kf8 { [%eval 3.32] [%clk 0:04:34] } 25. d6 { [%eval 3.2] [%clk 1:03:23] } 25... Rd7 { [%eval 2.62] [%clk 0:03:24] } 26. Qd5 { [%eval 3.47] [%clk 1:02:58] } 26... cxd6 { [%eval 3.35] [%clk 0:02:45] } 27. Qg8+ { [%eval 3.06] [%clk 1:03:06] } 27... Ke7 { [%eval 2.63] [%clk 0:02:39] } 28. Qxh7+?! { [%eval 1.97] } { Inaccuracy. Qd5 was best. } { [%clk 1:03:18] } 28... Kd8 { [%eval 2.07] [%clk 0:02:53] } 29. Qg8 { [%eval 2.06] [%clk 1:03:43] } 29... Qxg8 { [%eval 2.07] [%clk 0:02:50] } 30. Bxg8 { [%eval 2.04] [%clk 1:04:06] } 30... Kc7 { [%eval 2.35] [%clk 0:03:03] } 31. Be6 { [%eval 2.64] [%clk 1:03:37] } 31... Re7 { [%eval 2.62] [%clk 0:03:06] } 32. Bf5 { [%eval 2.56] [%clk 1:03:53] } 32... Nh4 { [%eval 3.03] [%clk 0:03:15] } 33. Rf1?! { [%eval 2.32] } { Inaccuracy. Rxh4 was best. } { [%clk 1:02:58] } 33... Nxf5 { [%eval 2.44] [%clk 0:03:26] } 34. gxf5 { [%eval 2.36] [%clk 1:03:19] } 34... Rh7 { [%eval 2.56] [%clk 0:03:13] } 35. Rhh1 { [%eval 2.29] [%clk 1:03:27] } 35... Rf8 { [%eval 2.8] [%clk 0:03:01] } 36. Kc2 { [%eval 2.83] [%clk 1:03:15] } 36... Rff7 { [%eval 3.25] [%clk 0:03:10] } 37. Kd3 { [%eval 2.96] [%clk 1:03:18] } 37... Re7 { [%eval 3.06] [%clk 0:03:26] } 38. Kc4 { [%eval 3.11] [%clk 1:03:37] } 38... Re8 { [%eval 3.37] [%clk 0:03:46] } 39. Rd1 { [%eval 3.31] [%clk 1:03:03] } 39... Rd8 { [%eval 3.23] [%clk 0:04:04] } 40. b3 { [%eval 3.29] [%clk 1:03:01] } 40... Rdd7 { [%eval 3.72] [%clk 0:04:23] } 41. a3 { [%eval 3.88] [%clk 1:03:12] } 41... Kb7 { [%eval 4.03] [%clk 0:01:31] } 42. Bf2 { [%eval 3.45] [%clk 1:02:02] } 42... Kc7?! { [%eval 4.88] } { Inaccuracy. Rd8 was best. } { [%clk 0:01:45] } 43. b4 { [%eval 4.66] [%clk 1:01:58] } 43... cxb4 { [%eval 5.35] [%clk 0:01:27] } 44. axb4 { [%eval 5.23] [%clk 1:02:08] } 44... axb4 { [%eval 5.43] [%clk 0:01:37] } 45. Kxb4 { [%eval 5.22] [%clk 1:02:31] } 45... Kb7 { [%eval 5.44] [%clk 0:01:27] } 46. Ra1 { [%eval 5.46] [%clk 1:02:25] } 46... d5 { [%eval 5.75] [%clk 0:01:37] } 47. exd5 { [%eval 5.48] [%clk 1:02:20] } 47... Rxd5 { [%eval 6.42] [%clk 0:00:15] } 48. Ra6 { [%eval 6.36] [%clk 1:01:37] } 48... Rd2 { [%eval 6.38] [%clk 0:01:02] } 49. Rxb6+ { [%eval 6.16] [%clk 0:59:59] } 49... Kc7?? { [%eval #10] } { Checkmate is now unavoidable. Kc8 was best. } { [%clk 0:01:13] } 50. Rc1+ { [%eval #9] [%clk 1:00:15] } 50... Kd8 { [%eval #9] [%clk 0:01:04] } 51. Rb8+ { [%eval #8] [%clk 1:00:36] } 51... Ke7 { [%eval #8] [%clk 0:00:57] } 52. Rc7+ { [%eval #7] [%clk 1:00:57] } 52... Rd7 { [%eval #2] [%clk 0:01:10] } 53. Bc5+ { [%eval #1] [%clk 1:01:16] } 1-0