This project (game) is inspired by a problem in an algorithm competition held by our school. Since I am not familiar with the front-end operation of c++, I use standard input and output to operate. ----------------------------- This game operation mode After entering the game, through the input coordinates to set their chess pieces position. The position of the board (1,1) is the top-left grid of the board. When input, the ordinate is first and the abscissa is last.