Play games to practice arithmetic and problem-solving skills. Access a growing library of games requiring internet connection. Track progress and challenge friends through in- features.
Play against the computer or another player. View available moves and take back moves. Get hints and choose from five difficulty levels. Includes sounds and a clock.
Explore and variations with a detailed dictionary. Browse Grandmaster games linked to each opening. Test knowledge with quizzes to identify , select moves, or play leading sequences. View accurate stats for each position.