Practice
Strategy puzzles
Solve as many as you like. Each puzzle is picked near your rating, and your rating moves with every solve or miss. For one puzzle a day with a leaderboard, try the Daily Mate in 2 and the Daily Endgame.
Chess puzzles
1200 (this device)Mate in 2. Find the key move; the board finds the best defence.
Checkers puzzles
1200 (this device)Endgames where Red forces a win in two to four turns. Captures are compulsory.
Playing as a guest: your rating is an estimate kept on this device. Sign up for an official rating and history.