Gomoku is an abstract strategy board game. Also called Gobang or Five in a Row, it is traditionally played with Go pieces (black and white stones) on a go board (15x15 or 19x19 intersections)http://en.wikipedia.org/wiki/Gomoku
Gomoku is an abstract strategy board game. Also called Gobang or Five in a Row, it is traditionally played with Go pieces (black and white stones) on a go board (15x15 or 19x19 intersections)
http://en.wikipedia.org/wiki/Gomoku
Here is an example of a black overline, along with a white diagonal win.