Broadcast-channel move sync with server-validated state. Every legal move, no lag.
Glicko-style rating recalculated after every game. Climb from 1200 to grandmaster.
Post-game blunder detection and evaluation graph across your entire history.
Server-side move validation plus behavioral heuristics keep the ladder clean.
Bullet, blitz, rapid, classical. Custom time controls. Hot-seat, vs computer, online.
Skill-matched opponents in seconds. Create a private room and share the link.