Public replay · 0-1 · ECO A40
Mikenas Defense: Black mates in 12 moves
Queen's Pawn Opening (A40): Player vs Chessdox Computer, casual level. Black mates with the queen after 12 moves with 6 captures and 4 checks.
Position after 12... Qc1#
Game summary
Mikenas Defense — how the game went
Player (White) and Chessdox Computer (Black) played this casual-level game. It opened with the Queen's Pawn Opening, classified as ECO A40, after 1. d4.
Neither king castled. Over 12 moves the game saw 6 captures, 4 checks.
Black delivered checkmate with the queen on 12... Qc1#. At the end White had 21 points of material and Black 37 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-d4-black-wins-in-12-moves-7380b137ebe6986871d1"] [Date "2026.09.30"] [Round "-"] [White "Player"] [Black "Chessdox Computer"] [Result "0-1"] [TimeControl "2340+0"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "normal"] [PlyCount "24"] 1. d4 Nc6 2. Nc3 d5 3. Nf3 a5 4. Qd3 Nb4 5. Qb5+ Bd7 6. Bg5 Bxb5 7. Nxd5 Nxc2+ 8. Kd1 Nxa1 9. Bf4 Qxd5 10. Bxc7 Qe4 11. Ng5 Qc2+ 12. Ke1 Qc1# 0-1