I've been helping readers find the best deals for over five years. Thanks to this deal from StackSocial, you can get access to over 121 hours of online chess lessons for only $100. As the name implies ...

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. Get schooled by real grandmasters. Credit: ...

Duolingo's Chess course bring free lessons and competitive play to mobile-first markets.