Kavalek in Huffington: The Most Treacherous Defense in Chess

Named after the Austrian master Ernst Grünfeld, the defense has been around for nearly 90 years. At first, it was looked upon with suspicion: giving White a strong pawn center that could only be tickled by Black's dark bishop and other pieces didn't seem to be a fair deal. In this week's column GM Lubomir Kavalek tells us how he taught a World Championship challenger how to play the Grünfeld.