What is Mobos?

: Rather than recommending "drawish" lines or the standard closed systems, Miedema focuses on the 3... c5 4. exd5 exd5 variation.

: The book provides numerous examples of how to handle the resulting middlegames, focusing on using the dynamic activity of Black's pieces to compensate for the structural weakness.

: He argues that once Black masters the tools associated with this structure, they can outsmart opponents who expect a purely positional, slow game from the Tarrasch.