Analyze the Xiangqi position with Red Advisor on file 6 rank 1, Red General on file 4 rank 1, and Red Cannon on file 6 rank 2. Learn how Black (Black Elephant on file 3 rank 10, Black Horse on file 4 rank 3) defends against the opponent's empty cannon attack using the 'Double Blocking' and 'Positional Shift' tactics.