Position and objective
Red material: Double Chariot. 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 e9. Trace Red's e4-e7 move on the diagram before checking Black's reply.
How the mate works
Verified line: Red e4-e7 (車五进三), Black e9-d9 (將5平4), then Red i6-d6 (車一平六) 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 central chariot advances from e4 to e7. The recorded reply shifts the general from e9 to d9; the edge chariot then shifts from i6 to d6 for mate. Two different chariots provide the opening and final checks.
Inspect all intervening points on i6-d6, using the general’s new d-file position.
Full move list
Moves alternate Red and Black, exactly as published in the solution.
- 1. e4-e7 e9-d9 （車五进三 將5平4）
- 2. i6-d6 （車一平六）
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.