450,000+ tactical puzzles
A smart rating system serves high-quality puzzles that match your level.
Challenge players online, solve 450,000+ chess puzzles, and climb the Ranked League.
A smart rating system serves high-quality puzzles that match your level.
Play live 5-minute games against other players or challenge your friends.
Practice any time against 12 bots, from total beginner to 3000 Elo.
Track your accuracy across 35 puzzle themes, follow your improvement over time and discover the areas that need more practice.
Every point of XP puts you on the weekly leaderboard. Climb from Iron League all the way to Brilliant League.
Unlock avatars, chess boards, piece sets and profile frames as you progress. Build a profile that reflects your achievements and playing style.