Get better at chess, one game at a time.
A focused chess-training app. Build opening repertoires, play a built-in engine from your first game to master strength, drill tactics and endgames — all running on your device. Now playable free right here in your browser.
Currently rolling out to testers on Android and iOS.
Puzzle of the day
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Like these? The app has 23,000 more.
♙ Play the engine
Full games against a native chess engine with an adjustable strength slider — from a gentle 500 up to 2900, so it grows with you.
♗ Tactics puzzles
23,000 puzzles drawn from real games. Solve at your own pace, race the clock, or take an adaptive rated stream that tracks your puzzle rating.
♘ Opening repertoires
Build a White and Black repertoire in a few taps, then practise your lines until they're second nature — transpositions handled for you.
♖ Endgame drills
Convert the endings that decide games — king-and-queen, king-and-rook, and the classic Lucena and Philidor rook positions — against the engine.
♕ Game review
After each game, see your inaccuracies, mistakes, and blunders flagged move by move, so you know exactly what to work on next.
♔ Learn to play
Brand new to chess? A built-in beginner guide walks you through the pieces, the rules, and your first moves.
Runs entirely on your device. The engine, your games, and your progress all live on your phone — no account, no sign-in, and it works offline. Free to use, with no ads.
Daily puzzles on YouTube
We post a bite-size chess puzzle every day. Follow @ChessImproverApp →