Event: Round 1: Zachary Tanenbaum - Donald Johnson
Date: 2023-08-31
White: Zachary Tanenbaum
WhiteTitle: NM
WhiteElo: 2279
Black: Donald Johnson
BlackTitle: FM
BlackElo: 2175
Result: 1-0
ECO: C54
Opening: Italian Game: Classical Variation, Giuoco Pianissimo, with a6
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:07:30] } 1... e5 { [%eval 0.35] [%clk 1:30:49] } 2. Nf3 { [%eval 0.29] [%clk 1:07:35] } 2... Nc6 { [%eval 0.32] [%clk 1:31:12] } 3. Bc4 { [%eval 0.21] [%clk 1:08:01] } 3... Bc5 { [%eval 0.2] [%clk 1:31:40] } 4. d3 { [%eval 0.11] [%clk 1:08:23] } 4... Nf6 { [%eval 0.09] [%clk 1:31:53] } 5. c3 { [%eval 0.23] [%clk 1:08:49] } 5... a6 { [%eval 0.31] [%clk 1:32:06] } 6. O-O { [%eval 0.24] [%clk 1:09:05] } 6... Ba7 { [%eval 0.3] [%clk 1:32:02] } 7. d4 { [%eval 0.0] [%clk 0:57:10] } 7... d6 { [%eval 0.0] [%clk 1:24:20] } 8. Re1 { [%eval 0.0] [%clk 0:43:03] } 8... O-O { [%eval 0.13] [%clk 1:21:29] } 9. Bg5?! { [%eval -0.43] } { Inaccuracy. h3 was best. } { [%clk 0:41:21] } 9... h6 { [%eval -0.53] [%clk 1:06:38] } 10. Bh4 { [%eval -0.53] [%clk 0:39:15] } 10... exd4 { [%eval -0.07] [%clk 0:49:12] } 11. cxd4?! { [%eval -0.92] } { Inaccuracy. Nxd4 was best. } { [%clk 0:30:08] } 11... Bg4 { [%eval -0.98] [%clk 0:45:37] } 12. d5 { [%eval -1.24] [%clk 0:29:43] } 12... Ne5 { [%eval -1.43] [%clk 0:45:25] } 13. Nbd2 { [%eval -1.72] [%clk 0:28:57] } 13... Bxf3 { [%eval -1.63] [%clk 0:39:22] } 14. gxf3 { [%eval -1.61] [%clk 0:29:22] } 14... Ng6 { [%eval -1.6] [%clk 0:37:23] } 15. Bg3 { [%eval -1.58] [%clk 0:29:36] } 15... Nh5 { [%eval -1.74] [%clk 0:35:48] } 16. f4 { [%eval -2.32] [%clk 0:10:59] } 16... Nhxf4 { [%eval -2.11] [%clk 0:15:20] } 17. Qg4 { [%eval -2.54] [%clk 0:10:48] } 17... f5 { [%eval -2.5] [%clk 0:11:04] } 18. exf5 { [%eval -2.38] [%clk 0:10:23] } 18... h5 { [%eval -2.57] [%clk 0:11:20] } 19. Qd1 { [%eval -2.58] [%clk 0:04:33] } 19... Rxf5 { [%eval -2.53] [%clk 0:10:48] } 20. Ne4 { [%eval -3.02] [%clk 0:04:34] } 20... Ne5 { [%eval -3.06] [%clk 0:06:39] } 21. Rc1?! { [%eval -3.91] } { Inaccuracy. Bf1 was best. } { [%clk 0:00:48] } 21... Nf3+ { [%eval -4.24] [%clk 0:04:15] } 22. Kh1 { [%eval -4.12] [%clk 0:01:14] } 22... Nxe1 { [%eval -4.16] [%clk 0:04:40] } 23. Qxe1 { [%eval -4.2] [%clk 0:01:33] } 23... h4 { [%eval -4.19] [%clk 0:03:56] } 24. Bxf4 { [%eval -4.11] [%clk 0:01:59] } 24... Rxf4 { [%eval -4.26] [%clk 0:04:24] } 25. Qe2 { [%eval -4.25] [%clk 0:01:56] } 25... Qe7 { [%eval -4.11] [%clk 0:03:35] } 26. Bd3 { [%eval -4.89] [%clk 0:00:43] } 26... Raf8 { [%eval -4.96] [%clk 0:01:45] } 27. Rc4 { [%eval -5.5] [%clk 0:01:04] } 27... Bxf2 { [%eval -5.28] [%clk 0:01:01] } 28. Qh5 { [%eval -5.33] [%clk 0:01:14] } 28... Qe5?? { [%eval 0.37] } { Blunder. R4f5 was best. } { [%clk 0:00:51] } 29. Ng5 { [%eval 0.36] [%clk 0:00:42] } 29... Re8?? { [%eval 6.75] } { Blunder. Qe1+ was best. } { [%clk 0:00:32] } 30. Rxf4 { [%eval 6.84] [%clk 0:00:35] } 30... Qe1+ { [%eval 6.69] [%clk 0:01:01] } 31. Kg2 { [%eval 6.86] [%clk 0:01:03] } 31... h3+?? { [%eval #6] } { Checkmate is now unavoidable. Qg1+ was best. } { [%clk 0:01:27] } 32. Kxh3?? { [%eval 5.87] } { Lost forced checkmate sequence. Nxh3 was best. } { [%clk 0:01:10] } 32... Qe3+?? { [%eval #5] } { Checkmate is now unavoidable. Re3+ was best. } { [%clk 0:01:50] } 33. Rf3 { [%eval #8] [%clk 0:01:30] } 33... Qxg5 { [%eval #1] [%clk 0:01:57] } 34. Qxe8# { [%clk 0:01:20] } 1-0