Study Alekhine's Defence
Check out three tutorial apps that guide you through Queen's Gambit Declined. Lots of videos and training exercises: Carlsbad, Be7 and Tarrasch!
Chess apps for iPhone and iPad, Android and Windows
Go to the chess apps
Get the openings videos and interactive openings book for your iPhone and iPad
King's Indian Defense Apps
Enjoy two new tutorials for King's Indian Defense: Classic Lines and Bayonet Attack. For your iPhone and Android!
Check out KID Tutorials