Robert Ris is an International Dutch Chess Master from Amsterdam. He has represented the Netherlands in various international youth events. Nowadays he is a full-time chess professional, focusing on teaching in primary schools, coaching talented youngsters and giving on-line lessons to students all over the world.
The good news is that David Miedema doesn't disappoint, the backbone is his repertoire for Black being the highly complex Winawer, dangling the g- and h-pawns before White. Coverage is extremely up to date, as well as complete and features plenty of unplayed improvements for Black. Chess Magazine - 05.2019.