Creating a protected square for the knight on d4.

3.Rd2 Nd4 4.Nxd4?! exd4 5.Qd3 f5 6.Re1 Rde8-/+

Swapping the strong enemy knight. Unfortunately for White, he can't do the same thing.

7.h4 intending Bh3 was preferable.

Intending ...Qb4 and ...Ra2 with a clear advantage thanks to the powerful knight on d4.

Heading for g6-f4(h4) in order to exploit White's kingside weaknesses.

2.Ne4 Ng6 3.Qe3 Nf4+ 4.Kh2 f5! with a strong initiative

Clearing the f-file for an attack and preventing Nd2-e4.

Black later realized his extra pawn.