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Public replay · 0-1 · ECO A04

Zukertort Opening: White resigns after 20 moves

Zukertort Opening (A04): Player vs Chessdox Computer, casual level. White resigns after 20 moves with 9 captures and one check. Replay every move.

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Position after 20... dxe4A04 Zukertort Opening: Black Mustang Defense

Game summary

Zukertort Opening: Black Mustang Defense — how the game went

Player (White) and Chessdox Computer (Black) played this casual-level game. It opened with the Zukertort Opening, classified as ECO A04, after 1. Nf3.

Neither king castled. Over 20 moves the game saw 9 captures, one check.

White resigned after 20... dxe4. At the end White had 17 points of material and Black 30 points, counting pawns as 1, knights and bishops as 3, rooks as 5 and queens as 9.

Final position after 20 moves, black won (0-1). FEN: 2bk3r/n1p2p2/1p2pq2/7p/4p1pN/1PN1P1P1/2PP1b1P/3K1R2 w - - 0 21
Final position · 0-1

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[Event "Chessdox public replay"]
[Site "https://chessdox.com/games/casual-replay-from-1-nf3-black-wins-in-20-moves-70178c4cd082c0a8f06c"]
[Date "2026.09.10"]
[Round "-"]
[White "Player"]
[Black "Chessdox Computer"]
[Result "0-1"]
[TimeControl "-"]
[ECO "A04"]
[Opening "Zukertort Opening: Black Mustang Defense"]
[Termination "normal"]
[PlyCount "40"]

1. Nf3 Nc6 2. Nc3 h6 3. g3 d6 4. Ng1 a5 5. Bg2 g5 6. Nb1 Nf6 7. b3 a4 8. Bb2 e6
9. Bxf6 Qxf6 10. Nc3 d5 11. Nf3 g4 12. Nh4 axb3 13. axb3 Rxa1 14. Qxa1 Bc5 15.
Qa8 Bxf2+ 16. Kd1 Kd8 17. Rf1 h5 18. Qa7 Nxa7 19. e3 b6 20. Be4 dxe4 0-1
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