What Grandmasters Don&rsquo;t See Vol 1 to Vol 3 - Maurice Ashley (PC-DVD) What Grandmasters Dont See Vol 1 to Vol 3 - Maurice Ashley (PC-DVD) Combined Video Running Time: nearly 12 hours! What Grandmasters Dont See Vol 1: Protected Squares What Grandmasters Dont See Vol 2: Discovered Attack What Grandmasters Dont See Vol. 3: Summary and Test