Public replay · 0-1 · ECO B00
Nimzowitsch Defense: Black mates in 18 moves (Challenging)
Nimzowitsch Defense (B00): Player vs Chessdox Computer, challenging level. Black mates with the knight after 18 moves with 11 captures and 4 checks.
Position after 18... Nxh2#
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.
Black castled queenside, while White's king never castled. Over 18 moves the game saw 11 captures, 4 checks.
Black delivered checkmate with the knight on 18... Nxh2#. At the end White had 22 points of material and Black 35 points, counting pawns as 1, knights and bishops as 3, rooks as 5 and queens as 9.
Share and export
[Event "Chessdox public replay"] [Site "https://chessdox.com/games/challenging-replay-from-1-e4-black-wins-in-18-mo-71d1a360fb8c624e4552"] [Date "2026.08.25"] [Round "-"] [White "Player"] [Black "Chessdox Computer"] [Result "0-1"] [TimeControl "-"] [ECO "B00"] [Opening "Nimzowitsch Defense"] [Termination "normal"] [PlyCount "36"] 1. e4 Nc6 2. Nc3 Nf6 3. Nf3 d5 4. Nxd5 Nxe4 5. d3 Qxd5 6. Bf4 Nd6 7. d4 Bg4 8. a4 Bxf3 9. Qb1 Bxg2 10. Rg1 Bxf1 11. Rxf1 Nxd4 12. Qd1 Qe4+ 13. Be3 Nxc2+ 14. Ke2 O-O-O 15. Rc1 Nf5 16. Rg1 Ncxe3 17. Qe1 Ng4+ 18. Kf1 Nxh2# 0-1