The rules are simple – two players take turns placing black or white stones on a square board with a 19x19 grid ... skill and affinity for the game, Go also offers a possible career path ...

Other board sizes such as 13x13 and 9x9 may be used for teaching or quick games, but 19x19 is the standard size ... For a more detailed treatment, see Rules of Go. This is the essence of the game of ...