When the Black Rook threatens on File 5, the Red General must choose between defense and counterattack. The Red Horse on File 5 Rank 9 is a key block, while the Red Pawns on File 3 Rank 7 and File 5 Rank 7 form a double-horse formation. The board trembles as the Black General on File 6 Rank 10 faces the risk of being 'captured' if not defended in time.