81Dojo (Japanese: ''hachi-jū-ichi dōjō,'' ''hachi-jū-ichi'' or ''hachi-ichi'') is a non-profit internet

shogi , also known as Japanese chess, is a strategy board game for two players. It is one of the most popular board games in Japan and is in the same family of games as Western chess, ''chaturanga, Xiangqi'', Indian chess, and '' janggi''. ''Shōgi'' ...

server and

internet forum An Internet forum, or message board, is an online discussion site where people can hold conversations in the form of posted messages. They differ from chat rooms in that messages are often longer than one line of text, and are at least temporar ...

. 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. All features are available for free. The site has been sponsored by the

Japan Shogi Association The , or JSA, is the primary organizing body for professional shogi in Japan. The JSA sets the professional calendar, negotiates sponsorship and media promotion deals, helps organize tournaments and title matches, publishes shogi-related materia ...

since 2013. Anyone can play anonymously, although players may register an account on the site to play rated games. As of 11 January 2020, the number of registered users was around 100,000. There are players in 90 different countries, though most are from Japan. 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.

History

81Dojo was created by Tomohide Kawasaki (Japanese:川崎智秀), whose online alias is HIDETCHI.Post-game analysis like in a real game
Retrieved February 28, 2018.

References

External links

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Comparison with 81 Dojo Rating
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Elo score The Elo rating system is a method for calculating the relative skill levels of players in zero-sum games such as chess. It is named after its creator Arpad Elo, a Hungarian-American physics professor. The Elo system was invented as an improved ch ...

scales of computer shogi engines, 81Dojo, and

Shogi Club 24 , also known as Japanese chess, is a strategy board game for two players. It is one of the most popular board games in Japan and is in the same family of games as Western chess, '' chaturanga, Xiangqi'', Indian chess, and '' janggi''. ''Shōgi ...

(将棋倶楽部２４) Internet shogi servers Online video game services {{Shogi-stub