Challenge: Xiangqi: Unique Move - Checkmate in 3 Moves from the Rook Black Exposed on File 7 Rank 4 - Can you solve it?

A dangerous chessboard scenario where Red Horse is exposed on file 9 rank 7 and Black Rook is exposed on file 7 rank 4. Detailed explanation of how Red can end the game in just 3 moves with a precise strategy, leaving no unnecessary moves.