Judkin's Shogi . Small shogi variant on 6 by 6 board. Juggernaut chess . Dice determine where a juggernaut piece goes to. Jumping Chess .
Pieces capture by jumping.
By Peter Aronson. The Jungle Game, or Shou Dou Qi . Simulated conflict between animal kingdoms. Huge chess variant on 16 by 16 board. By Adrian King.