Challenge: The Black Encirclement, Red Isolated: "The Most Difficult Checkmate Problem of All Time" - Can you solve it?
On the cracked wooden chessboard of time, four isolated red pieces face a formidable black formation. The black chariot stands alone at rank 2, the black cannons roar from the last rank, while the red general is like a lotus leaf in a storm - can he escape the deadly encirclement? This position has confounded thousands of *human-AI chess* players, where every move is a choice between life and death. Dare you challenge the intellect of Qu Zhongbi or will you bow to Mei Hua Po?
