The essential rules
The board has 9 files and 10 ranks of intersections. Red moves first. Each side aims to put the opposing general in a position where no legal move allows that side to continue.
Read the rulesA thinking game · In development
The palace, the river, the threat.
Two armies face each other on a board’s intersections. Learn the cannon’s role, what blocks the horse, and how to leave the opposing general with no way out.
Understand before you play
Explore the possibilities
A screen is useful for capturing, but disappears if the intervening piece moves. Count the obstacles again before relying on a cannon attack.
Learn step by stepAn explained example
A screen for the cannon
View the worked example