Challenge: Red General Attacks Black Rook: Strategy 'Empty Cannon' and Black Advisor Trap - Can you solve it?
When the Red Rook on file 5 advances to rank 9, the Black Cannon on file 7 must defend carefully. Otherwise, the Red Advisor on file 4 rank 3 will set a 'Wall-Jumping Advisor' trap to capture the Black Elephant on file 5 rank 8.
