Go-moku is played between two opponents on a 15x15 board with 225 intersections. One player possesses the black stones, the other possesses white. Each player can lay only one stone during his/her move. Black moves first. To master your opponent you must comprehend the words Go-moku. Row - a combination of stones of the same color, either situated diagonally, vertically, or in a horizontal line - that is limited by the edge of the board, an opponent’s stone or a free intersection, or where no opponent’s stones have been laid.