Tai shogi (泰将棋 tai shōgi or 無上泰将棋 mujō tai shōgi "grand chess", renamed from 無上大将棋 mujō dai shōgi "supreme chess" to avoid confusion with 大将棋 dai shōgi)...

Kō shōgi (広将棋 or 廣象棋 'broad chess') is a large-board variant of shogi, or Japanese chess. The game dates back to the turn of the 18th century and is based...

Taikyoku shōgi (Japanese: 大局将棋, lit. "ultimate shogi") is the largest known variant of shogi (Japanese chess). The game was created around the mid-16th...

Maka dai dai shōgi (摩訶大大将棋 or 摩𩹄大大象戯 'ultra-huge chess') is a large board variant of shogi (Japanese chess). The game dates back to the 15th century and...