100. the general walks in, by the chariot

Helpmates in xiangqi

4 moves

Black moves first and both sides cooperate: Black, Red, Black, Red, and Red's second move mates. Black has 36 legal first moves and exactly one of them works. 14 pieces, Black 42.5 to Red 9 in material, mate by the chariot. Themes: the general walks in, a quiet first move by Red,…