1) Checkerboard game of Japan 2) Japanese game 
• (n.) A Japanese game, played on a checkerboard, in which the object of the game is to be the first in placing five pieces, or men, in a row in any direction.
Go·bang' noun [ Written also goban .] [ Jap. goban checkerboard, from Chino-Jap. go checker + ban board.] A Japanese game, played on a checkerboard, in which the object of the game is to be the first in placing five pieces, or men, in a row in any direction. 
a Japanese game played on a go board with players alternating and attempting to be first to place five counters in a row.