Sofia Polgar is a Hungarian and Israeli chess player, teacher, and artist. She holds the FIDE titles of International Master (IM) and Woman Grandmaster (WGM). A former chess prodigy, she is the middle sister of two Grandmasters, Susan and Judit. She has played for Hungary in four Chess Olympiads, winning two team gold medals, one team silver, three individual golds, and one individual bronze.

Susan Polgar is a Hungarian-American chess grandmaster. Polgár was Women's World Chess Champion from 1996 to 1999. On FIDE's Elo rating system list of July 1984, at the age of 15, she became the top-ranked female chess player in the world. In 1991, she became the third woman to be awarded the title of Grandmaster by FIDE. She won eleven medals at the Women's Chess Olympiad.