Secret tip for use against the Petroff

The Petroff is reputed to be a really safe
opening, and there is no doubt that Boris Gelfand is one of the top experts in
it. And yet the Israeli recently succumbed in only 16 moves. The variation
chosen by Vugar Gashimov (4.dxe5) is a sort of secret tip, although of course
Gelfand was not surprised by it. In CBM 132 (available from 1st October) Alexey
Kuzmin will be be revealing a few secrets of this very promising variation.

Gashimov-Gelfand with
annotations