Free for a limited time: Step through over 100,000 chess opening positions, annotated by name and variation! Each position shows win percentage statistics and most popular variations.
Position statistics collected from over 3,000,000 recent, high-level games.
Vastly improved user interface!
Good selection of opening book, however there are no example games for each opening with the lite version
It's really great for me and my kid to learn how to chess.
启用“家人共享”后，此 App 最多可供 6 名家庭成员使用。