This system is getting very popular recently. Black has gone for it in a bunch of high-level games. In most cases, our idea is to follow with …Ng6 on the next move. Years ago, grandmasters believed that this system was dubious since White could obtain a slight but stable plus. Modern engines, however, showed how Black can solve all the problems in all the problematic positions. GM Michael Roiz analyzed all the lines in such depth, that you can play this repertoire at any level. The fact that this line is relatively less explored makes it a very nice practical weapon.