When three chess in a line, you can eat one chess of the other's. If one have no chess to move or have chess less than 3, he/she lose the game.

规则是3子连成一线即可吃掉对方一颗子，但被吃子不能在成3的3颗中，当一方无棋可走或者棋子数少于3时，游戏结束。

youdao

In Chess, It's Called Zugzwang, when the only viable move, is not to move.

在棋局里，这叫做“被动强制”，唯一可行的走法，就是不走。

youdao

In Chess, It's Called Zugzwang, when the only viable move, is not to move.

在棋局里，这叫做“被动强制”，唯一可行的走法，就是不走。

youdao