For everyone excited about the new Chess King™ 4 for Mac launch last week, here’s another announcement to cheer about. You get $10 off on all purchases above $50 at the Chess King™ Online Store! Also, Chess Queen™ Alexandra Kosteniuk has recorded two brand new video tutorials for Chess King™ 4. Together with Steve Lopez’ wonderful new 23 video tutorials you’ve got more than two hours of tutorials… guaranteed to make you a super user of Chess King™, ready to go and win more chess games. Find out more at 12th Women’s World Chess Champion Alexandra Kosteniuk’s personal blog – www.chessqueen.com.