These three schools were supported by the Tokugawa shogunate and thus controlled the professional shogi world up until 1868 when the Meiji Restoration began.

[10] The Tokyo Shogi Federation changed its name to Nihon Shōgi Renmei (日本将棋連盟) in 1927 with Sekine as president.

However, the shogi world was split again in 1935 when a western guild of players called Japan Shogi Reform Society (日本将棋革新協会, nihon shōgi kakushin kyōkai) with Chōtarō Hanada as its president separated from the eastern Nihon Shōgi Renmei due to a controversy over the 8-dan promotion of Tatsunosuke Kanda.

[11] In 1936, the two sections along with a western third sect (Tatsunosuke Kanda's 十一日会 group) merged to form the Shogi Consolidation Association (将棋大成会, shōgi taisei-kai) with Sekine as its president.

[14] On its official website, the JSA states that its aims are "to contribute to the development of Japanese traditional culture, to help increase shogi's popularity and development as an art form, to contribute to spread an increased understanding of Japanese culture and traditions and to establish friendly exchanges with people of other countries through shogi".

[d] Prior to that, the JSA had been officially registered as "Membership Association" [ja] (社団法人, shadan hōjin) since July 29, 1949.

[9] The headquarters (本部, honbu) of the JSA is located in the Sendagaya area of Tokyo's Shibuya Ward, while the main office for western Japan is the Kansai Shogi Kaikan located in Takatsuki, Osaka Prefecture and the main office for northern Japan is in Sapporo, Hokkaidō.

[19] In June 2019, the JSA announced that it would be moving its headquarters from its current location to a commercial property close to Sendagaya Station.

JSA president Satō stated that he would continue negotiations either to purchase or lease a new location with the goal of completing the relocation sometime around the year 2024.

[21] The grand opening of the new headquarters to the public was held on October 1, 2024, and included several events such as a memorial tournament.

[28] The JSA maintains a business office and hires staff to help manage the everyday affairs of the association as well as assist in other tasks deemed by the president to be important.

Other women professional players belong to a separate female shogi guild (日本女子プロ将棋協会 nihon joshi puro shōgi kyōkai ) or are free agents.

[38] The JSA also publishes a monthly magazine called Shogi World (将棋世界 (Shōgi Sekai)).

[51] Matches of the Ryūō title tournament have occasionally been held overseas as well in Australia, China, England, France, Germany, Singapore, South Korea, Taiwan, Thailand, and the United States.