Position and objective
Red material: Horse + Cannon. Black defenders: Advisor.
Mate the black general within the move limit. Red moves first and the AI answers for Black, with every move validated as it is played.
The black general starts on d9. Trace Red's i6-d6 move on the diagram before checking Black's reply.
How the mate works
Verified line: Red i6-d6 (炮一平六), Black d9-e9 (將4平5), then Red e7-g8 (馬五进三) mates. This is one legal continuation of the validated solution.
The shortest mate takes two moves. The complete move list is on this page — try to find it yourself first.
The first move is the key to the forced mate. Black may have other legal replies; the line below shows one verified continuation.
Key move and common mistakes
The cannon shifts from i6 to d6. The general shifts from d9 to e9 in the recorded reply, and the horse jumps from e7 to g8 for mate. The opening cannon move and final horse check use different attack routes.
Check the cannon’s full sideways route and the horse leg for e7-g8. Do not transfer one piece’s movement rules to the other.
Full move list
Moves alternate Red and Black, exactly as published in the solution.
- 1. i6-d6 d9-e9 （炮一平六 將4平5）
- 2. e7-g8 （馬五进三）
Difficulty and help
Use Hint when you are stuck, or Undo to take a move back.
A wrong move does not end the game — restart the same position and try again.