His performances improved during the Grand Chess Tour, including a share of 3rd place at the rapid and blitz event in Zagreb. Pragg drew with Keymer in round 10 before losing to Awonder Liang in round 11. Master Class Vol.17 - Boris Spassky In this video course, experts including Dorian Rogozenco, Mihail Marin, Karsten Müller and Oliver Reeh, examine the games of Boris Spassky. In this video course, experts including Dorian Rogozenco, Mihail Marin, Karsten Müller and Oliver Reeh, examine the games of Boris Spassky. Improve your visualization, pattern recognition and learn calculation techniques such as reciprocal thinking with this course.Calculation is at the heart of practical chess.