Yellow Mountain Imports Shin Kaya, 0.8 of an Inch Thick, Go Table Board, Goban Supreme shin kaya wood: this is a 0.8 inch (2 centimeter) thick shin kaya solid wood table board (goban); please note, because of the nature of wood, the grain will be similar but not identical to the images you see in this product listing; playing go on a quality wood table board connects one with the hundreds of generations of go players who have played on shin kaya since ancient times Japanese standard size: each grid on the board is 21.5 x 23 millimeters; the board's dimensions are 13.8 x 12.9 x 0.8 inches (35 x 33 x 2 centimeters) Reversible playing field: 13 x 13 on one side and 9 x 9 on the other; the smaller playing fields of this board keep your skills sharp by allowing you to play shorter games when you don't have time for a full length one; you will appreciate the informality Instructions included: a clear and concise booklet is included with the purchase of this board; this booklet explains the fundamental rules and strategies of the classic game of go; stones are not included; please refer to our other listings for go stones 30 day return policy: we want you to be satisfied with your purchase; you are backed by our 30 day no questions asked money back guarantee so you can buy with confidence Board: 13.8 x 12.9 x 0.8 inches (35 x 33 x 2 centimeters) This 0.8-inch thick table board (goban) is made from one solid piece of shin kaya wood. Shin kaya is truly a symbol of quality and tradition that perfectly embodies the beauty of the game. Our shin kaya go boards are made of spruce wood from Yunnan Province in southern China. This type of wood is also known as &#039;&#039;Dragon Spruce&#039;&#039;, &#039;&#039;Tibetan Spruce&#039;&#039; and &#039;&#039;Picea Asperata&#039;&#039; in Latin The lines are individually hand drawn. Japanese standard size: each grid is 21.5 x 23 millimeters, and the board&#039;s dimensions are 13 x 12.5 x 0.8 inches (32.4 x 31.8 x 2 centimeters). This is a 13x13 / 9x9 reversible board for quick games and teaching. In a standard 19x19 board, the possible combinations of Go positions are infinite, and a game can last for hours. Thesmaller playing fields of this board keep your skills sharp by allowing you to play shorter games when you don&#039;t have time for a full length one. Even if you already have a standard 19x19 goban, you will appreciate the informality and convenience of these smaller playing fields. Instructions included;clear and concise booklet, &#034;The Way to Go&#034; by Karl Baker, is included with the purchase of this board. This booklet explains the fundamental rules and strategies of the classic game of go.