The Cannon

Moves like a chariot, captures by jumping one screen.

1. The cannon moves like a chariot. But to capture, it must jump over exactly one piece. From h2 it can take the horse on h9 by jumping the cannon on h7.
2. Use your soldier as a screen and capture the chariot.
3. Give check with your cannon. The black advisor can be your screen.
4. How many pieces must be between a cannon and the piece it captures?