The first profound expansion of chess in 45 centuries. Chess and Checkers for 2,3 or 4 Players. Designed and Published by World Famous Artist and Inventor Yun Gee. The Board has a patented Diamond Bridge connecting the 4 playing areas, allowing standard chess moves and strategy. A special detour piece is used when playing chess, allowing the diamond bridge to be crossed in a single move. The purpose of the detour is to line up all opposing Queens and Kings. Game includes both chess and checkers pieces in 4 colors, rules, strategy hints, and a book of press clippings about Tri-King from major US newspapers including the New York Times and the Chicago Sun Times.