龙棋

game rules
1. The game is divided into two stages – the chess-playing stage and the chess-moving stage. In the first stage (chess playing stage), both sides of the chess game have 9 chess pieces each, and the chess pieces are placed at the intersection of the line segments. After taking turns to place their respective chess pieces, they automatically enter the next stage (the chess move stage).
2. In the process of playing chess and moving chess, when three chess pieces on either side are continuously arranged in a straight line, it becomes three. This can be used to grab one of the opponent's chess pieces, but be careful not to grab the opponent's chess pieces that are already three when grabbing the chess pieces. piece.
3. During the chess game, no more chess pieces can be placed in the position where the chess pieces have been removed (this position will be marked with a red ×, and chess pieces cannot be placed until the chess move stage).
4． During the move, only one unit can be moved at a time (there can be no intersection between the starting point and the end point).
5． If the captured side has only 2 pieces or less left after being captured, the captured side loses the game.