Taikyoku shogi - Wikipedia

Steam Workshop::大局将棋 (Taikyoku shōgi, Ultimate chess)

Shogi (将棋): Japanese Chess – The Chess Variant Pages

Infinite chess - Wikiwand

Taikyoku Shogi, Image

Tai Shogi Dr Eric Silverman

Shogi - Wikipedia

Tai Shogi Dr Eric Silverman

Tai Shogi, Board Game

Tai shogi - Wikipedia

Since Shogi has such a low draw rate, do some top players suspect the game may in fact be a forced win by one side? If so, what side is more likely

Chu Shogi: Most Up-to-Date Encyclopedia, News & Reviews

Shogi and Shogi variants

Shogi variants: Ko shogi, Dai dai shogi, Tenjiku shogi, Taikyoku shogi, Tai shogi, Chu shogi, Maka dai dai shogi, Cannon shogi, Wa shogi, Sho shogi, Judkins shogi, Heian dai shogi, Yari