Chessticize: Chess Puzzles

Build tactical intuition with focused chess practice—completely free, with no ads or paywalls. Practice. Review. Improve. Puzzle Sprints Solve short, rating-matched puzzle sets against the clock. Build pattern recognition one focused Sprint at a time. Arrow Duel Compare two candidate moves in the same position. Choose the better move, reject the tempting blunder, and practice the opponent's reply. Custom Practice Create a Custom Run with the puzzle themes, pace, duration, and difficulty you want to train. Review what you miss Missed and unclear puzzles enter scheduled Review so they return when due. Replay completed puzzles and explore positions with on-device Stockfish analysis—without changing your Rating or Review schedule. Track your progress Follow separate Ratings for Standard and Arrow Duel, review recent Runs, and filter History to revisit individual puzzles. Completely free • No ads • No subscriptions, paid unlocks, or paywalls • No Chessticize account required Practice offline Bundled puzzles and Stockfish analysis work on your device. Progress is stored locally, with Android-managed backup available for eligible restore or device transfer when Android backup is enabled. Open source Chessticize is published under GPL-3.0-or-later. Source code, Stockfish, puzzle-data attribution, and licenses are available from Settings and the public project page. Also included • Curated puzzle themes • Adjustable pace, duration, and difficulty • Scheduled Review and Replay • Optional move sounds and haptic feedback • Phone, tablet, foldable, and compatible Chromebook layouts