Every chess puzzle on OffChess is rated, you gain and lose points based on your and puzzle's rating.
Improve your chess skills by tracking stats about your puzzle solving skills.
Paint the board in the colors you like, with several themes to choose from you are sure to find something that you love.
No Wi-Fi? No problem. OffChess gives you instant access to 55,000+ puzzles—whether you’re on a plane, commuting, or just avoiding distractions.