Grandmaster Henrik Danielsen explains the different lines in his F4-System, the Polar Bear System. If you need a new way to play chess, then this is just right for you. See what he has developed in this two-part video.
Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:
Be the First to Comment
Share Your Thoughts