Position and objective
Red material: Chariot + Horse. Black defenders: Elephant.
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 d7-b8 move on the diagram before checking Black's reply.
How the mate works
Verified line: Red d7-b8 (馬六进八), Black d9-e9 (將4平5), then Red f5-e5 (車四平五) 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 horse jumps from d7 to b8, and the general shifts from d9 to e9 in the recorded reply. The chariot shifts from f5 to e5 and mates along the general’s new file.
Check the horse leg for d7-b8, then evaluate the chariot only after updating the general to e9.
Full move list
Moves alternate Red and Black, exactly as published in the solution.
- 1. d7-b8 d9-e9 （馬六进八 將4平5）
- 2. f5-e5 （車四平五）
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.