When the Red Horse is on file 6 rank 7 and the Red Cannon is on file 6 rank 1, the Black General on file 4 rank 10 doesn't know where to look. The Black Chariot is on file 2 rank 1 and file 8 rank 1, setting up a net, while the Black Pawns are on file 3 rank 7 and file 5 rank 6, preparing to strike. This is a classic 'double horse' formation, but what happens next...