1Place one stone per turn and make an unbroken line of five to win.
2Black moves first, so Black's moves are restricted to keep the game fair.
3Black may not make six or more in a row, a double three or a double four.
4White has no restrictions: five or more in a row wins for White.
Questions
Get exactly five stones in a row horizontally, vertically, or diagonally. Black must avoid making forbidden patterns. Create exactly five stones in a row (Black) or five or more (White). Black immediately loses if they make a forbidden pattern.
Played on a 15x15 Go board. The board starts empty. Black plays first and places the first stone at the center intersection.
As Black, be extremely careful about double threats - they might be forbidden. As White, use Black's restrictions against them by forcing positions. An overline threat can be a defensive tool for White - Black cannot complete it.
Renju was developed in Japan in the early 20th century to balance Gomoku's first-player advantage. It is governed by the Renju International Federation, which organizes world championships.
boardgames.zone
