Three-dimensional Chinese chess born in Qiqihar

news.xinhuanet.com — The three-dimensional jade Chinese chess was made by a jade workshop in Qiqihar, based on the original design of Tong Yingtai, inventor of the unique set. The set has been awarded an intellectual patent right. Following his invention, Dong spent more than 4 months traveling by bicycle across some 87 Chinese cities publicizing his 3-D Chess Aug 23, 2007 View in Crawl 4