These games are for two people; one plays black
stones or crosses (X), second plays white stones or nougths (O).
Game always starts with a cross. The size of board is 15x15 or
The basic "completely free" rules of
all five-in-a-row games:
- Rule 1. Play alternates between one player who
starts the game (called Black because he is playing with black
stones in the intersections of a board and another player
(usually called White because he is playing with white stones).
- Rule 2. The first player to get an unbroken
line of five stones (marks) whether vertically, horizontally, or
diagonally, wins the game.