Sometimes, people boast ‘I could beat you with one hand tied behind my back’, or ‘I can do that blindfolded’. The picture below, (although a blindfold is missing, but the guy in center is facing away, ...

Magnus Carlsen’s blindfold chess exhibitions reveal a level of memory and visualization few humans can comprehend. Playing ...

Theoretically, there are 71,852 positions that can be obtained in chess after each player’s fourth move, the vast majority of which are strategically useless. So where to start? This remarkable ...

Despite the great case for getting off our duffs, there are some amazingly cool and effective practices we can do from the comfort of our own recliners—without even budging a finger. For instance, you ...