Sansa was also a strong "shogi" player, but in the Tokugawa period, go was organised into four "houses" (or "academies"), and shogi into three, which would compete in "oshirogo" "Castle Go" (and "Castle shogi") tournaments for the title "Meijin". (See more at "History of shogi § Modern shogi".) The official nature of these arrangements meant that go and shogi masters held different offices. In 1612, eight go and shogi players were given individual state support. This system persisted over two and a half centuries, until the collapse of the Tokugawa government itself in the Meiji Restoration.