103. discovered mate, 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 44 legal first moves and exactly one of them works. 18 pieces, Black 47 to Red 10.5 in material, mate by the horse. Themes: discovered mate, the general walks in, Red captur…