Renju
Renju is a two‑player abstract strategy board game that evolved from gomoku. It is played on a 15×15 grid with black and white stones. The objective is to align five stones in a row while preventing the opponent from doing the same.
Unlike free‑style gomoku, Renju incorporates a set of rules to balance the first‑player advantage. These include
A key feature is the use of a referee or automated system to flag illegal moves, particularly
Internationally, the World Renju Federation organizes the World Renju Championship every two years, with national associations
Computer research has produced strong Renju programs like NanJing1 and November. While artificial intelligence has yet