62. 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 19 legal first moves and exactly one of them works. 5 pieces, Black 11 to Red 4 in material, mate by the horse. Themes: Black blocks its own general, a quiet first move by R…