Challenge: Xiangqi: The Ultimate Rook Checkmate - Red Rook Threatens to Rush Down the 7th File, Black Cannon is Pinned - Can you solve it?

A Xiangqi position where the Red Rook on the 7th file of rank 9 threatens to rush down the 7th file, pinning the Black Cannon on the 6th file of rank 10 between two Black Advisors. Analysis of Red's decisive moves and Black's effective counterplay.