Challenge: The Enigma of the Board: Black General in Check, Red Cannon Looming - Decoding the Decisive Move - Can you solve it?

On the aged sandalwood board, the Red and Black armies are tightening their grip. The Black Bishop reveals three ranks of the 10th file like a deep-set eye observing, while the Red Cannon reveals three ranks of the 7th file in a hushed threat. A mysterious formation awaits the solver...