Tanenbaum, Zachary vs Guo, Ethan
2026 NY Marshall Winter Invitational | GM A · Round 1.2 · 2026.01.14 · 1/2-1/2 · B90 Sicilian Defense: Najdorf Variation, English Attack
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PGN
[Event "2026 NY Marshall Winter Invitational | GM A"]
[Site "Lichess"]
[Date "2026.01.14"]
[Round "1.2"]
[White "Tanenbaum, Zachary"]
[Black "Guo, Ethan"]
[Result "1/2-1/2"]
[PlyCount "98"]
[WhiteElo "2371"]
[WhiteFideId "2060850"]
[WhiteTitle "FM"]
[BlackElo "2303"]
[BlackFideId "30976359"]
[BlackTitle "FM"]
[ECO "B90"]
[Source "LichessBroadcast"]
[SourceQuality "2"]
[ImportDate "2026-02-03"]
1. e4 { [%clk 1:13:16] } 1... c5 { [%clk 1:30:55] } 2. Nf3 { [%clk 1:13:22] }
2... d6 { [%clk 1:31:18] } 3. d4 { [%clk 1:13:49] } 3... cxd4
{ [%clk 1:31:42] } 4. Nxd4 { [%clk 1:14:15] } 4... Nf6 { [%clk 1:32:05] } 5.
Nc3 { [%clk 1:14:37] } 5... a6 { [%clk 1:32:29] } 6. Be3 { [%clk 1:15:03] }
6... e5 { [%clk 1:32:54] } 7. Nb3 { [%clk 1:15:28] } 7... Be6
{ [%clk 1:33:14] } 8. h3 { [%clk 1:15:56] } 8... Be7 { [%clk 1:33:34] } 9. Qf3
{ [%clk 1:16:19] } 9... O-O { [%clk 1:33:55] } 10. g4 { [%clk 1:10:38] } 10...
a5 { [%clk 1:34:19] } 11. Bb5 { [%clk 1:11:02] } 11... Na6 { [%clk 1:34:36] }
12. O-O-O { [%clk 1:11:15] } 12... Rc8 { [%clk 1:34:43] } 13. Na4
{ [%clk 1:11:27] } 13... Qc7 { [%clk 1:08:14] } 14. Rd2 $6
{ Inaccuracy. c3 was best.[%clk 0:24:41] } 14... Nxe4 $6
{ Inaccuracy. d5 was best.[%clk 0:52:24] } 15. Qxe4 { [%clk 0:24:40] } 15...
d5 { [%clk 0:52:46] } 16. Qf3 { [%clk 0:21:26] } 16... d4 { [%clk 0:53:04] }
17. Nxd4 { [%clk 0:20:40] } 17... exd4 { [%clk 0:53:24] } 18. Bxd4 $2
{ Mistake. Bf4 was best.[%clk 0:18:35] } 18... Nb4 { [%clk 0:50:50] } 19. Bb6
$6 { Inaccuracy. c3 was best.[%clk 0:08:49] } 19... Qe5 { [%clk 0:43:54] } 20.
Qe2 { [%clk 0:08:53] } 20... Qxe2 $4
{ Blunder. Rxc2+ was best.[%clk 0:31:16] } 21. Bxe2 { [%clk 0:06:46] } 21...
Bg5 { [%clk 0:28:50] } 22. Be3 { [%clk 0:07:14] } 22... Bxe3 { [%clk 0:28:57] }
23. fxe3 { [%clk 0:07:43] } 23... Nxa2+ { [%clk 0:25:10] } 24. Kb1
{ [%clk 0:08:08] } 24... Nb4 { [%clk 0:25:19] } 25. Rhd1 { [%clk 0:07:14] }
25... g6 { [%clk 0:21:27] } 26. Nc3 { [%clk 0:07:07] } 26... Rc5
{ [%clk 0:17:42] } 27. Rd6 { [%clk 0:07:01] } 27... Rfc8 { [%clk 0:13:12] } 28.
Bf3 { [%clk 0:04:53] } 28... b5 { [%clk 0:12:07] } 29. Be2 { [%clk 0:03:47] }
29... Nxc2 { [%clk 0:10:39] } 30. Rd8+ { [%clk 0:03:07] } 30... Kg7
{ [%clk 0:10:12] } 31. Rxc8 { [%clk 0:03:00] } 31... Rxc8 { [%clk 0:09:53] }
32. Kxc2 { [%clk 0:03:13] } 32... b4 { [%clk 0:10:19] } 33. Rd4
{ [%clk 0:01:38] } 33... bxc3 { [%clk 0:09:48] } 34. bxc3 { [%clk 0:02:07] }
34... Kf6 { [%clk 0:09:58] } 35. h4 { [%clk 0:01:47] } 35... h6
{ [%clk 0:09:22] } 36. Bf3 { [%clk 0:00:55] } 36... Ke5 { [%clk 0:08:44] } 37.
Re4+ { [%clk 0:00:57] } 37... Kd6 { [%clk 0:08:39] } 38. Rd4+
{ [%clk 0:00:37] } 38... Kc5 { [%clk 0:08:58] } 39. Ra4 { [%clk 0:00:48] }
39... Kb5 { [%clk 0:08:12] } 40. Rf4 { [%clk 0:00:51] } 40... Rc7
{ [%clk 0:05:48] } 41. Kb2 { [%clk 0:00:46] } 41... Kc5 { [%clk 0:05:23] } 42.
h5 { [%clk 0:00:56] } 42... gxh5 { [%clk 0:04:56] } 43. gxh5
{ [%clk 0:01:23] } 43... Rd7 { [%clk 0:05:16] } 44. Kc2 { [%clk 0:01:00] }
44... Rd6 { [%clk 0:05:02] } 45. Bg4 { [%clk 0:00:35] } 45... Bc4
{ [%clk 0:04:18] } 46. Rf5+ { [%clk 0:00:35] } 46... Kb6 { [%clk 0:04:41] } 47.
Rf4 { [%clk 0:00:53] } 47... Kc5 { [%clk 0:04:46] } 48. Rf5+ { [%clk 0:01:20] }
48... Kb6 { [%clk 0:05:12] } 49. Rf4 { [%clk 0:01:45] } 49... Kc5
{ [%clk 0:05:29] } 1/2-1/2