Basic rules , but overline is not a win.

Drawback of the game:
The beginner of the game (black) is in great favor.
Advantage of the game:

The tournament rule

The 3rd move Black must make outside the zone of 5x5 intersections with the same center as the center of the whole board, the 5x5 zone is a prohibited zone.

The tournament rule decrease deferences between black and white.

Go-Moku without tournament rule is solved: Victor Allis has proven Go-Moku to be a win for black (


The tournament rule + it additionally prohibits for 3rd move playing on the 4th and 5th intersections away from the center of the board that are on the same horizontal or vertical line.
The reason for the variation is to make the game more fair for second player