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Public replay · 0-1 · ECO B00

Nimzowitsch Defense: Black mates in 19 moves

Nimzowitsch Defense (B00): Player vs Chessdox Computer, challenging level. Black mates with the queen after 19 moves with 15 captures and 6 checks.

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Position after 19... Qf6#B00 Nimzowitsch Defense

Game summary

Nimzowitsch Defense — how the game went

Player (White) and Chessdox Computer (Black) played this challenging-level game. It opened with the Nimzowitsch Defense, classified as ECO B00, after 1. e4 Nc6.

Neither king castled. Over 19 moves the game saw 15 captures, 6 checks.

Black delivered checkmate with the queen on 19... Qf6#. At the end White had 5 points of material and Black 28 points, counting pawns as 1, knights and bishops as 3, rooks as 5 and queens as 9.

Final position after 19 moves, black won (0-1). FEN: 4kb1r/2p1ppp1/2p2q2/1P4Kp/2P5/3P4/r5PP/8 w k - 2 20
Final position · 0-1

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[Event "Chessdox public replay"]
[Site "https://chessdox.com/games/challenging-replay-from-1-e4-black-wins-in-19-mo-780f9a1e811af95c4e70"]
[Date "2026.08.25"]
[Round "-"]
[White "Player"]
[Black "Chessdox Computer"]
[Result "0-1"]
[TimeControl "-"]
[ECO "B00"]
[Opening "Nimzowitsch Defense"]
[Termination "normal"]
[PlyCount "38"]

1. e4 Nc6 2. Nc3 Nf6 3. Nf3 a6 4. Bxa6 Rxa6 5. b3 d5 6. Qe2 Bg4 7. Qd1 dxe4 8.
Nxe4 Nxe4 9. c4 Bxf3 10. Qxf3 Qd4 11. d3 Qxa1 12. Qxe4 Qxc1+ 13. Ke2 Rxa2+ 14.
Kf3 Qxh1 15. Qxc6+ bxc6 16. b4 Qf1 17. b5 Qxf2+ 18. Kg4 h5+ 19. Kg5 Qf6# 0-1
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