While the site is based in Japan, there is an additional English language version of the website, making it possible to play against non-Japanese players.
Alongside efforts to popularize the game outside of Japan, the site also offers traditional post-game analysis features.
Some of the most popular features include sharing of the board after a match, the ability to rewind the game to identify and make changes, and illustration of the best strategic moves on the board.
81Dojo has associated official smart phone apps for Apple and Android operating systems.
[citation needed] Kawasaki was a Japanese engineer working for Toyota who was also YouTuber using the pseudonym Hidetchi who was known for his shogi videos and other online shogi promotion efforts.