Vietnamese folk game · pieces switch sides
Cờ Gánh
A Vietnamese folk strategy game: step between two enemy pieces to carry them and they flip to your colour. Surround a trapped group and it flips too. All 16 wins.
Move one step along a line to an empty point. Carry: land between two enemies in line through your landing point and both flip. Surround: an enemy group with no empty neighbour flips too. Only the side that just moved can capture.