152. 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 2 legal first moves and exactly one of them works. 16 pieces, Black 38 to Red 11 in material, mate by the soldier. Themes: the general walks in, Black never checks or captur…