*** Note there is also a free version of Chess By Post that is ad-supported. This paid version has no advertisements *** Play correspondence chess with real people! Challenge your friends to friendly games or play ranked matches against random opponents of similar skill levels. Play as many simultaneous games as your want! Automatic push notifications will let you know when you have moves waiting! 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 leader board view shows you how you compare to the top players. Chess By Post is perfect for players of all skill levels because your matched opponent's skill level will be adapted based on your own skill level. Create a local hand-off game and play your friend by passing the phone back and forth. Play against a computer opponent that adjusts difficulty to match your skill level. Improve your skills by playin...