Selected games

The Najdorf has been getting a lot of coverage lately in repertoire books

Here is a nice positional game that I do not fully understand yet

Battulga-Narayanan

18th Asian Continental rd1

Najdorf 6.Be2 e5

After 30.Be3(Diagram)

Black is a bit more active but White has no glaring weaknesses

What do you recommend for Black?

After 30.Be3