Event: Round 8: Zachary Tanenbaum - Mykola Bortnyk
Date: 2023-09-04
White: Zachary Tanenbaum
WhiteTitle: NM
WhiteElo: 2279
Black: Mykola Bortnyk
BlackTitle: IM
BlackElo: 2410
Result: 0-1
ECO: B00
Opening: Nimzowitsch Defense: Williams Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:09:46] } 1... Nc6 { [%eval 0.51] [%clk 1:30:31] } 2. Nf3 { [%eval 0.24] [%clk 1:09:51] } 2... d6 { [%eval 0.71] [%clk 1:30:59] } 3. d4 { [%eval 0.79] [%clk 1:10:11] } 3... Nf6 { [%eval 0.93] [%clk 1:31:22] } 4. Nc3 { [%eval 0.54] [%clk 1:10:35] } 4... g6 { [%eval 0.96] [%clk 1:31:46] } 5. d5?! { [%eval 0.33] } { Inaccuracy. Be3 was best. } { [%clk 1:10:49] } 5... Nb8 { [%eval 0.92] [%clk 1:32:15] } 6. Be3 { [%eval 0.64] [%clk 1:11:06] } 6... c6 { [%eval 0.85] [%clk 1:32:30] } 7. Qd2 { [%eval 0.78] [%clk 1:09:30] } 7... Bg4?! { [%eval 1.74] } { Inaccuracy. Bg7 was best. } { [%clk 1:30:59] } 8. Nd4 { [%eval 1.33] [%clk 0:52:55] } 8... Bg7 { [%eval 1.21] [%clk 1:29:25] } 9. h3 { [%eval 1.03] [%clk 0:49:22] } 9... Bd7 { [%eval 1.42] [%clk 1:29:51] } 10. O-O-O { [%eval 0.91] [%clk 0:46:59] } 10... c5 { [%eval 1.21] [%clk 1:29:53] } 11. Nb3 { [%eval 1.16] [%clk 0:36:40] } 11... b5 { [%eval 1.63] [%clk 1:28:22] } 12. e5 { [%eval 1.37] [%clk 0:24:10] } 12... b4 { [%eval 1.4] [%clk 1:28:29] } 13. Ne2 { [%eval 1.5] [%clk 0:24:15] } 13... Ne4 { [%eval 1.74] [%clk 1:26:50] } 14. Qd3 { [%eval 1.73] [%clk 0:24:04] } 14... Bf5 { [%eval 1.68] [%clk 1:27:18] } 15. Qb5+ { [%eval 1.6] [%clk 0:23:57] } 15... Bd7 { [%eval 1.75] [%clk 1:23:06] } 16. Qb7 { [%eval 1.83] [%clk 0:17:34] } 16... Qb6 { [%eval 1.71] [%clk 1:17:09] } 17. Qxb6? { [%eval 0.03] } { Mistake. Qxa8 was best. } { [%clk 0:11:19] } 17... axb6 { [%eval 0.3] [%clk 1:17:35] } 18. f3 { [%eval -0.06] [%clk 0:11:34] } 18... Bxe5 { [%eval 0.07] [%clk 1:12:29] } 19. fxe4 { [%eval 0.01] [%clk 0:11:55] } 19... Rxa2 { [%eval -0.04] [%clk 1:12:58] } 20. Nf4 { [%eval -0.17] [%clk 0:09:36] } 20... Bg7 { [%eval -0.08] [%clk 1:12:46] } 21. Nd3 { [%eval -0.05] [%clk 0:07:40] } 21... O-O { [%eval 0.04] [%clk 1:07:44] } 22. Kb1 { [%eval 0.07] [%clk 0:04:49] } 22... Ra4 { [%eval 0.11] [%clk 1:07:46] } 23. Nd2? { [%eval -1.54] } { Mistake. Nf2 was best. } { [%clk 0:02:48] } 23... Na6 { [%eval -1.04] [%clk 1:08:15] } 24. e5 { [%eval -1.38] [%clk 0:01:51] } 24... Nc7 { [%eval -1.35] [%clk 1:08:27] } 25. Nc4? { [%eval -2.87] } { Mistake. Nb3 was best. } { [%clk 0:00:52] } 25... Rfa8 { [%eval -2.81] [%clk 1:08:40] } 26. Kc1 { [%eval -2.95] [%clk 0:01:10] } 26... Nxd5 { [%eval -3.0] [%clk 1:09:06] } 27. Bg5?! { [%eval -4.33] } { Inaccuracy. Kd2 was best. } { [%clk 0:00:56] } 27... b5 { [%eval -4.24] [%clk 1:08:24] } 28. Ne3 { [%eval -5.03] [%clk 0:00:43] } 28... Nxe3 { [%eval -5.02] [%clk 1:08:40] } 29. Bxe3 { [%eval -5.28] [%clk 0:01:10] } 29... c4 { [%eval -5.03] [%clk 1:09:06] } 30. Kd2 { [%eval -5.26] [%clk 0:00:32] } 30... cxd3 { [%eval -5.22] [%clk 1:08:47] } 31. Bxd3 { [%eval -5.1] [%clk 0:00:34] } 31... Bxe5 { [%eval -5.2] [%clk 1:09:14] } 32. b3 { [%eval -5.19] [%clk 0:00:44] } 32... Ra2 { [%eval -5.34] [%clk 1:09:42] } 33. g4 { [%eval -5.78] [%clk 0:00:38] } 33... Rc8 { [%eval -4.79] [%clk 1:09:48] } 34. Bg5 { [%eval -5.01] [%clk 0:00:35] } 34... f6 { [%eval -5.19] [%clk 1:09:51] } 35. Be3 { [%eval -5.35] [%clk 0:00:37] } 35... Rc3 { [%eval -5.5] [%clk 1:09:56] } 36. Ke1 { [%eval -5.94] [%clk 0:00:34] } 36... Bc6 { [%eval -5.86] [%clk 1:10:16] } 37. Rg1 { [%eval -6.02] [%clk 0:00:33] } 37... Be4 { [%eval -5.9] [%clk 1:08:38] } 38. Rd2 { [%eval -5.85] [%clk 0:00:32] } 38... Bxd3 { [%eval -5.81] [%clk 1:08:42] } 39. cxd3 { [%eval -5.99] [%clk 0:00:56] } 39... Ra1+ { [%eval -5.7] [%clk 1:08:18] } 40. Kf2 { [%eval -5.94] [%clk 0:00:56] } 40... Rxg1 { [%eval -5.85] [%clk 1:08:39] } 41. Kxg1 { [%eval -5.87] [%clk 0:01:20] } 41... Rxb3 { [%eval -5.96] [%clk 1:09:07] } 42. Rd1 { [%eval -5.95] [%clk 0:00:54] } 42... Bc3 { [%eval -5.85] [%clk 1:09:11] } 43. Kf2 { [%eval -6.37] [%clk 0:00:54] } 43... Rb2+ { [%eval -6.32] [%clk 1:09:34] } 44. Kg3 { [%eval -6.38] [%clk 0:01:00] } 44... b3 { [%eval -6.37] [%clk 1:09:56] } 45. Rc1 { [%eval -6.8] [%clk 0:00:39] } 45... b4 { [%eval -7.0] [%clk 1:10:21] } 46. d4 { [%eval -7.42] [%clk 0:00:38] } 46... Ra2 { [%eval -7.52] [%clk 1:10:45] } 47. Bh6 { [%eval -9.95] [%clk 0:00:38] } 47... b2 { [%eval -10.26] [%clk 1:11:08] } 48. Re1?! { [%eval #-5] } { Checkmate is now unavoidable. Rb1 was best. } { [%clk 0:00:32] } 48... Bxe1+ { [%eval -21.22] [%clk 1:11:33] } 0-1