Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Wu Di is a Chinese renju player and was renju World Champion 2007. In 2008 he achieved third place in renju Team World Championship playing on the second table of Chinese team. Renju or Lianzhu is the professional variant of Gomoku, a board game originated from Japan in Heian Period. It was named Renju by Japanese journalist Ruikou Kuroiwa in December 6, 1899 in a Japanese newspaper Yorozu chouhou . Lianzhu is a Chinese translation of Renju. It is played with black and white stones on a 15x15 intersection Go board. Renju eliminates the "Perfect Win"-situation in Gomoku by adding special conditions for the first player (Black). The Extra General Assembly of Renju International Federation in 2008 created 3 new sets of rules for openings that are to replace the above old sequence of moves: Soosörv, Taraguchi, and Yamaguchi. Also a rejection system for theiruse was approved.