(en) commenaire de Peter Svidler :
After all the light pieces were exchanged, White assumed control over the now open e-file, and with his king being much safer, it became obvious that Black’s defensive task will be quite difficult.
(en) Peter Svidler analysant la partie, In reply, Magnus chose 3.g3 – a sideline, but a very popular one these days, with a lot of top players playing it at least occasionally