Public replay · 0-1 · ECO B00
Nimzowitsch Defense: Black mates in 18 moves (Casual)
Nimzowitsch Defense (B00): Player vs Chessdox Computer, casual level. Black wins with a back-rank mate after 18 moves with 13 captures and one check.
Position after 18... Rxd1#
Game summary
Nimzowitsch Defense — how the game went
Player (White) and Chessdox Computer (Black) played this casual-level game. It opened with the Nimzowitsch Defense, classified as ECO B00, after 1. e4 Nc6.
White castled kingside and Black castled queenside, so the kings stood on opposite wings. Over 18 moves the game saw 13 captures, one check.
Black finished with 18... Rxd1#, a back-rank mate against a king trapped behind its own pawns. At the end White had 8 points of material and Black 23 points, counting pawns as 1, knights and bishops as 3, rooks as 5 and queens as 9.
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[Event "Chessdox public replay"] [Site "https://chessdox.com/games/casual-replay-from-1-e4-black-wins-in-18-moves-7ca6860d5812430dfd28"] [Date "2026.09.30"] [Round "-"] [White "Player"] [Black "Chessdox Computer"] [Result "0-1"] [TimeControl "2400+0"] [ECO "B00"] [Opening "Nimzowitsch Defense"] [Termination "normal"] [PlyCount "36"] 1. e4 Nc6 2. Nc3 Nf6 3. Nf3 d5 4. exd5 Nxd5 5. Bb5 Nxc3 6. bxc3 Bd7 7. O-O h6 8. Qe2 a6 9. Bc4 Bf5 10. Ba3 Bxc2 11. Qe4 Bxe4 12. Rfe1 Bxf3 13. Re3 Bd5 14. Bxd5 Qxd5 15. c4 Qxc4 16. Rd1 O-O-O 17. Rc3 Qxc3 18. dxc3 Rxd1# 0-1