Video training with IM Robert Ris and GM Mihail Marin (total playing time just under an hour). Plus 83 in-depth analyses by Nijat Abasov, Romain Edouard, Anish Giri, Spyridon Kapnisi, Marie Sebag, Andrey Stukpoin and many more. ChessBase Magazine Extra is the perfect complement to ChessBase Magazine. Available as a single issue or by subscription (6 issues per year). Available as download or on DVD.