GM Igor Smirnov's Webinar - The Art Of Defense In Chess : http://rcaofficialpartner.blogspot.com/2014/07/gm-igor-smirnovs-webinar-art-of-defense.html
GM Igor Smirnov's Webinar - The Art Of Defense In Chess : http://rcaofficialpartner.blogspot.com/2014/07/gm-igor-smirnovs-webinar-art-of-defense.html