Chess By Post is a cross platform chess app that keeps track of your skill level and always matches you against players of similar ability to your own. And since it is available for Android, iPhone, and Windows, your can play your friends no matter what type of phone they have!

Play correspondence chess with real people online! Challenge your friends to friendly games or play ranked matches against random opponents of similar skill levels. Play as many simultaneous games as you want!

Pin the app to your home screen and push notifications will let you know when you have moves waiting!

Chat with your opponents using the in-game message board.

Improve your ranking by playing ranked games against comparable opponents. Skill ranking updates using the classic Elo rating system to adjust your rank when you win or lose. A leaderboard view shows you how you compare to the top players.

Use the move planner to freely move the pieces on the board to test out strategies and see how the game might unfold.

Tap on your opponent's name to see your all-time head-to-head record against them.

Make notes about games to remember your strategy.

Export finished games to Portable Game Notation (PGN) format.

Facebook integration lets you use Facebook to challenge your friends to a game

Chess By Post is perfect for players of all skill levels because your opponent's skill level will be adapted based on your own skill level over time.