After 2.Qh5+ Ke7 3.Qxh7 Bxc4 Black obtains counterplay.

Black has managed to consolidate his position and the king is safe on b8. A future plan is ...g7-g5 followed by ...Ne8-g7 and ...Bc8-d7-e8 in preparation for ...h7-h5

Preparing ...Kc6-b7 in order to safeguard the king, and at the same time protect the knight from the threat of 2 Qf5+.

2.d5!? Qe8 3.Qg4+ Kd8 and the king is out of danger.

Avoiding any problems on the h1-a8 diagonal.

Black has excellent chances of converting his extra piece.

Preparing a king march to the queenside.

1...0-0?! 2.Bh6 Rfc8 3.Qc1! White obtains attacking chances

Preparing an invasion on the queenside.

Black "copied" the opponent's bishop manoeuvre, and with good reason. Now the a2-pawn is in danger.