Event: Round 4: Oliver Barbosa - Zachary Tanenbaum
Date: 2023-04-07
White: Oliver Barbosa
WhiteTitle: GM
Black: Zachary Tanenbaum
BlackTitle: CM
Result: 1-0
ECO: A05
Opening: King's Indian Attack
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:30:54] } 1... d5 { [%eval 0.34] [%clk 0:46:34] } 2. g3 { [%eval 0.12] [%clk 1:31:06] } 2... Nf6 { [%eval 0.33] [%clk 0:47:01] } 3. Bg2 { [%eval 0.28] [%clk 1:31:25] } 3... c6 { [%eval 0.33] [%clk 0:47:26] } 4. c4 { [%eval 0.22] [%clk 1:31:36] } 4... dxc4 { [%eval 0.0] [%clk 0:42:36] } 5. a4 { [%eval 0.0] [%clk 1:31:05] } 5... Bf5 { [%eval 0.35] [%clk 0:41:20] } 6. Na3 { [%eval 0.13] [%clk 1:30:28] } 6... e6 { [%eval 0.62] [%clk 0:41:24] } 7. Nxc4 { [%eval 0.78] [%clk 1:30:39] } 7... Na6 { [%eval 0.76] [%clk 0:37:58] } 8. O-O { [%eval 0.74] [%clk 1:30:39] } 8... Be7 { [%eval 0.62] [%clk 0:37:48] } 9. d3 { [%eval 0.83] [%clk 1:29:47] } 9... O-O { [%eval 0.7] [%clk 0:36:48] } 10. Bd2 { [%eval 0.8] [%clk 1:26:52] } 10... Bb4 { [%eval 0.97] [%clk 0:34:43] } 11. Bc3 { [%eval 0.95] [%clk 1:16:13] } 11... Bg6 { [%eval 1.13] [%clk 0:33:33] } 12. Qb3 { [%eval 1.09] [%clk 1:15:52] } 12... Qe7 { [%eval 1.09] [%clk 0:30:45] } 13. Rfd1 { [%eval 0.81] [%clk 1:14:41] } 13... Rfd8 { [%eval 0.77] [%clk 0:29:15] } 14. h3 { [%eval 0.81] [%clk 1:14:44] } 14... Rab8 { [%eval 1.04] [%clk 0:25:26] } 15. Nfe5 { [%eval 1.03] [%clk 1:08:54] } 15... Nd7 { [%eval 1.13] [%clk 0:16:25] } 16. Nxg6 { [%eval 0.95] [%clk 1:02:02] } 16... hxg6 { [%eval 0.99] [%clk 0:16:50] } 17. d4 { [%eval 1.06] [%clk 1:02:11] } 17... Nb6 { [%eval 1.03] [%clk 0:13:32] } 18. Ne5 { [%eval 1.21] [%clk 1:01:05] } 18... Nd5 { [%eval 1.23] [%clk 0:09:52] } 19. e4 { [%eval 1.08] [%clk 0:55:25] } 19... Nxc3 { [%eval 1.4] [%clk 0:09:30] } 20. bxc3 { [%eval 1.45] [%clk 0:55:48] } 20... Bd6 { [%eval 1.41] [%clk 0:09:50] } 21. Nc4?! { [%eval 0.81] } { Inaccuracy. Nf3 was best. } { [%clk 0:55:51] } 21... e5 { [%eval 0.88] [%clk 0:05:40] } 22. f4 { [%eval 0.93] [%clk 0:48:40] } 22... exd4 { [%eval 0.78] [%clk 0:03:55] } 23. cxd4 { [%eval 0.87] [%clk 0:48:59] } 23... Bc7 { [%eval 0.92] [%clk 0:03:32] } 24. Kh2 { [%eval 1.04] [%clk 0:44:57] } 24... Qb4 { [%eval 1.17] [%clk 0:02:27] } 25. Qc2 { [%eval 1.18] [%clk 0:44:03] } 25... Qe7 { [%eval 1.28] [%clk 0:02:45] } 26. a5 { [%eval 1.34] [%clk 0:43:34] } 26... g5 { [%eval 1.39] [%clk 0:02:21] } 27. f5 { [%eval 1.01] [%clk 0:42:02] } 27... g4?! { [%eval 1.67] } { Inaccuracy. c5 was best. } { [%clk 0:02:17] } 28. e5 { [%eval 1.77] [%clk 0:40:17] } 28... gxh3 { [%eval 1.71] [%clk 0:02:27] } 29. Be4 { [%eval 1.66] [%clk 0:37:27] } 29... Nb4 { [%eval 1.62] [%clk 0:02:21] } 30. Qe2 { [%eval 1.46] [%clk 0:37:26] } 30... Qg5 { [%eval 1.39] [%clk 0:02:29] } 31. Ra3 { [%eval 1.2] [%clk 0:37:12] } 31... Nd5?! { [%eval 1.94] } { Inaccuracy. b5 was best. } { [%clk 0:02:18] } 32. Rf3 { [%eval 1.66] [%clk 0:36:55] } 32... Qg4?? { [%eval 3.79] } { Blunder. b5 was best. } { [%clk 0:01:08] } 33. Bxd5 { [%eval 3.18] [%clk 0:35:16] } 33... cxd5 { [%eval 3.85] [%clk 0:01:23] } 34. Ne3 { [%eval 3.71] [%clk 0:35:45] } 34... Qh5 { [%eval 4.09] [%clk 0:00:52] } 35. Rdf1 { [%eval 3.38] [%clk 0:32:20] } 35... Bxa5?! { [%eval 5.19] } { Inaccuracy. f6 was best. } { [%clk 0:00:48] } 36. g4 { [%eval 4.95] [%clk 0:32:29] } 36... Qg5 { [%eval 4.44] [%clk 0:01:15] } 37. Rxh3 { [%eval 5.21] [%clk 0:32:51] } 37... g6?! { [%eval 7.24] } { Inaccuracy. Rdc8 was best. } { [%clk 0:00:39] } 38. Qf3 { [%eval 5.64] [%clk 0:33:15] } 38... Bb6 { [%eval 7.39] [%clk 0:00:39] } 39. fxg6 { [%eval 6.85] [%clk 0:33:22] } 39... Qxg6 { [%eval 7.51] [%clk 0:01:07] } 40. Nf5 { [%eval 6.96] [%clk 0:33:41] } 40... Rd7 { [%eval 6.84] [%clk 0:00:34] } 41. Rh6 { [%eval 8.55] [%clk 0:34:00] } 41... Qg5 { [%eval 8.72] [%clk 0:00:52] } 42. Qh3 { [%eval #7] [%clk 0:34:17] } 42... f6 { [%eval #5] [%clk 0:00:34] } 43. Rh8+ { [%eval #4] [%clk 0:33:11] } 43... Kf7 { [%eval #4] [%clk 0:01:03] } 44. e6+ { [%eval #3] [%clk 0:33:24] } 44... Kxe6 { [%eval #3] [%clk 0:01:22] } 45. Re1+ { [%eval #2] [%clk 0:33:46] } 1-0