Dai dai shōgi is a large board variant of shogi. The game dates back to the 15th century and is based on the earlier dai shogi. Apart from its size, the major difference is in the range of the pieces

Maka dai dai shōgi is a large board variant of shogi. The game dates back to the 15th century and is based on dai dai shogi and the earlier dai shogi. The three Edo-era sources are not congruent in th