2.cxd6 Bxd6 3.Nc5 was a better choice, when 3...Bxc5 4.Rxc5 h4! keeps the initiative – Karpov.

Softening up the f4-square for the knight.

White tries to cover both a5 and e4, but in vain.

Black has a decisive advantage.

Softening up the g6-pawn (and the black kingside as a whole) for a later attack.

Heading for f4 in order to attack the weak points at g6 and e6.

A new piece joins the attack.

Black resigned.

Softening up the f5-square for the knight.

2.h3?! Ra3! 3.Bc3 hxg4 4.hxg4 Ng6 Black is clearly better – Lputian. In effect White has to look out for both 5...Nxf4 and 5...Qh4.