Peer-to-peer chess for iPhone. Play the friends you choose — or human-like bots — with real FIDE ELO, timed or untimed. No accounts, no servers, no chat — just the board. And now: scan any chess diagram from a screenshot and play it out.
No global matchmaking, no strangers. You connect by trading a QR code — in person or over iMessage — so the people across the board are people you chose.
Six built-in bots from 400 to 2500. Pawn through Queen play like real people at their level — human mistakes, not random ones. King, at 2500, is a true engine for serious sparring. All free, and every game rates you from the very first move.
No email, no sign-up, no tracking. Your identity is your device; your games live on your device and travel only between you and your opponent.
Players speak only in standard chess annotation symbols — !! for a brilliant move, ? for a mistake. Nothing personal can be exchanged, so there is nothing to moderate. It's cross-language by default, and it quietly teaches chess etiquette to beginners. The annotation rides along with the move: SilentBishop played Bxe5 !?
Scan each other's code — in person or over iMessage. No friend requests, no searching by name.
Your opponent taps the invite and the game opens. No account on either end, ever.
Play async whenever you like, or set a live clock. An annotation can ride along with the move.
Real FIDE rating updates after every game. It's your history, not your ceiling — anyone can challenge anyone.
One-time purchase · $7.99
"It showed me why the move was a blunder — not just that it was."
Playing, ratings, and opening names stay free, always.Questions, feedback, or something unexpected? Reach out directly and we'll get back to you.
Contact →ChessFlex has no accounts, no analytics, and no ads. Your games live on your device and travel only to your opponent.
Privacy Policy →Built by Labham LLC — a sibling to LexFlex. Peer-to-peer by design, with no servers in gameplay.
Meet LexFlex →