Play
Start playing
Three real ways to play Quaternity today, with no need to create an account.
For those who already know chess
Play in one minute
A quick, guided walkthrough to discover the essential differences of Quaternity and start moving the pieces from the very first moment.
Practise and improve
QCE Training
Progressive exercises to train movements, reading the board, check, checkmate and situations specific to Quaternity, at your own pace, on the Training platform.
Discover → Practise → Play online
QCE Challenge of the day
Do you see it?
The same challenge as on the homepage today — a real exercise from Training. Free access, no account needed.
Exercise of the day · Free access
Solve the challenge
The community's difficulty rating is available when you solve it with your member account in Training.