Preparing Rf3, to the concern of the h4-pawn.

4...h3 5.Rxh3 Nxf4 6.Bxf4 Qxf4 7.Rf3 Qg5 8.Rg3+-

Having a sound extra pawn, White went on to win.

White aims to restrict the black knight by g2-g4, and for this idea to work he must first swap a few pieces.

The key move, which leaves the black knight badly placed for the rest of the game.

With the devastating threat of Nf6+.

White soon won.

Preparing 2...Rf4 in order to stop the enemy plan of Re3-f3.

After the successful restriction Black can get on with his own play.