146. the general walks in, by the soldier

Helpmates in xiangqi

4 moves

Black moves first and both sides cooperate: Black, Red, Black, Red, and Red's second move mates. Black has 40 legal first moves and exactly one of them works. 24 pieces, Black 53 to Red 14 in material, mate by the soldier. Themes: the general walks in, Black never checks or captu…