Play chess. Anywhere. Anytime.
25 years of online chess
Sign up on web and sign in on the app.
All your chess games in your pocket.
Or scan with your mobile device.
I would like to play using the app, but it don't work in my phone... Gives a message "authentication failure". Anyone knows how fix it?
Nope. I am here looking for the same solution.
Australia
Suggest you send feedback (link at bottom of every page) to ensure that Russ is aware of this problem.
Done.