75. Black blocks its own general, 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 14 legal first moves and exactly one of them works. 5 pieces, Black 4.5 to Red 4 in material, mate by the soldier. Themes: Black blocks its own general, a quiet first move b…