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.

With the strong plan ...Ng8-f6-e4.

2.Be2 Preparing a similar plan with Nc5-d3-e5.
If instead 2.Ne3 , interfering with the enemy manoeuvre, then Black could adjust his plans by 2...b6!? preparing ...c7-c5.

Preparing a kingside attack.

Now that the white king is approaching the centre, Black amplifies his attack with a definite initiative.