Sacrificing a pawn to install a blockade on e4 with the knight, which will enhance a future attack.

2...Qe6 3.f5! gxf5 4.Ng5! with a strong attack.

Activating the queen and covering the knight on e3.

Now the attack is irresistible.

Black resigned.

Sacrificing a pawn in order to establish a powerful dark square blockade.

2.g3 gxf4 3.gxf4 Bh6 4.Ne2 Rg8 with counterplay.

Black seizes the blocking square and creates the threat of 3...Nc4.

Exploiting tactical motifs along the c1 h6 diagonal.

The only way to keep the balance – Taimanov.