What a relief, after seeing a trio of heavy, intellectual films at the New York Film Festival, to watch a thoroughly enjoyable, funny and teary, battle in which almost everyone is a winner, above all Billie Jean King. The movie is more about her complicated love life than her tennis, but there is enough historic verisimilitude – including play-by-play from Howard Cosell – to remind you of the real-world stakes at play. Emma Stone is a bit bland, without Billie Jean’s edge; but the supporting cast is delightful: Steve Carrell above all, then Alan Cumming, Sarah Silverman, Elisabeth Shue, to name the recognizable faces.