female professional shogi player; female professional go player
Refers specifically to a woman who holds professional status in shogi or go. The term 女流 is used to distinguish female professionals in these board games.
She became a female professional shogi player at a young age.
The match between female professional go players was broadcast on TV.
棋士 is a general term for a professional shogi or go player, regardless of gender. 女流棋士 specifically denotes a female professional.
Compound of 女流 (じょりゅう, 'female', 'woman's style') and 棋士 (きし, 'professional shogi/go player').