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Public replay · 0-1 · ECO B00

Nimzowitsch Defense: Black mates in 14 moves (Challenging)

Nimzowitsch Defense (B00): Player vs Chessdox Computer, challenging level. Black mates with the knight after 14 moves with 7 captures and 4 checks.

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Position after 14... Nh4#B00 Nimzowitsch Defense: Declined Variation

Game summary

Nimzowitsch Defense: Declined Variation — 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 14 moves the game saw 7 captures, 4 checks.

Black delivered checkmate with the knight on 14... Nh4#. At the end White had 32 points of material and Black 37 points, counting pawns as 1, knights and bishops as 3, rooks as 5 and queens as 9.

Final position after 14 moves, black won (0-1). FEN: r3kb1r/1pp1pppp/8/7n/1B1q2bn/2N5/P1PP2KP/R1Q2B1R w k - 6 15
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-14-mo-7bb78a7aa8fcd09c6e18"]
[Date "2026.10.20"]
[Round "-"]
[White "Player"]
[Black "Chessdox Computer"]
[Result "0-1"]
[TimeControl "300+0"]
[ECO "B00"]
[Opening "Nimzowitsch Defense: Declined Variation"]
[Termination "normal"]
[PlyCount "28"]

1. e4 Nc6 2. Nf3 Nf6 3. Nc3 d5 4. b4 dxe4 5. Ne5 Nxe5 6. Ba3 a5 7. bxa5 Bg4 8.
Qc1 Rxa5 9. Bb4 Ra8 10. f3 exf3 11. gxf3 Nxf3+ 12. Kf2 Qd4+ 13. Kg3 Nh5+ 14. Kg2
Nh4# 0-1
All King's Pawn Opening games