Swapping off the dangerous knight before it enters at f6.

Black is ready to alter the pawn structure in order to get some counterplay.

4.exf6 Bxf6 , with ...Rd7-d2 as a plan.

With both white bishops being restricted, Black has no major problems in the endgame.

Intending ...Nc6-d4 with counterplay.

Forcing a queen exchange in order to neutralize Black's attack and transpose to an endgame with extra material.

1...Qxc7 2.d6+ and White reaches his goal.

After 2...Be6?! 3.Ne3 Bxc4 4.Qxc8 Rxc8 5.Nxc4 White is winning

Black gives up a pawn to prevent Reb2-b8 with further simplifications.