Challenge: The Ultimate Checkmate Manual: How the Rook-Cannon-Horse Combo Devastates the Black King in One Move - Can you solve it?

The board is frozen, only the trembling breath of the Black King remains behind the fragile wall of the Bishops and Guards. Red moves first, his opening move as sharp as a blade cutting through the fog of battle. The position appears balanced, but hidden within it is an invisible blade of checkmate tactics. Join Grandmaster to uncover the secret: How can the Rook-Cannon-Horse combo turn into an unstoppable nightmare for Black in just a few moves?