Challenge: Red Rook at File 5, Rank 10: An Immortal Strategy for Black - Can you solve it?
The Red Cannon is at File 8, Rank 1, and the Black Rook is at File 9, Rank 9. The Black General is at File 4, Rank 8, waiting for an opportunity to counterattack. A level 1/10 chess game requires patience and calculation.
