Extra 153, with more than 24,000 current games and three classics: Dejan Bojkov, Larence Trent and Robert Ris present on video the fantastic duels Larsen-Stahlberg (Copenhagen 1958), Trent-Hebden, (London 2006) and Nezhmetdinov-Chernikov (Rostov 1962)

You exchange the bishop on f4 to open the g-file (gxf4) and double rooks there. Black will protect his weakness on this file with all his forces. You transfer your pieces to the other side, create a new weakness there, and the opponent will be helpless

Let Andrew Martin select a repertoire for you on this 60 mins, which, if used with discretion, will rack up the points.

On this DVD, Grandmaster and worldrenowned commentator Maurice Ashley reviews some of the most interesting patterns with examples meant to educate and entertain.