Desperation, but 8 Bd4 was coming up with a complete restriction of Black's counterplay.

A decisive blow.

Black resigned.

Exploiting the exposed position of the queen on e2 in order to break through in the center.

This leads to a complete activation of Black's forces.

3.Bf4! should have been played.

In a difficult position White decides upon an exchange sacrifice.

With 16...Qe8 next, Black gradually converted his extra material.

Whatever happens next, this advance is bound to create new opportunities.

1...Bxb6? 2.cxb6 followed by Nc5 is simply crushing.
1...dxe4 2.Bxe4 the pressure on c6 is decisive.