64. Black blocks its own general, by the horse

Helpmates in xiangqi

4 moves

Black moves first and both sides cooperate: Black, Red, Black, Red, and Red's second move mates. Black has 22 legal first moves and exactly one of them works. 7 pieces, Black 10.5 to Red 4 in material, mate by the horse. Themes: Black blocks its own general, the general walks in,…