This collection demonstrates the use of a critical line to secure a positional advantage. In these games, a line with violent tactics secures "only" a positional advantage with best play from the disadvantaged side.
Without 24 Qxh7, can 24 Rd4 f5 hold? Tkachiev vs Watson, 1993 (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 25 moves, 1-0
Do you have to calculate everything after 22.Bxh6? Nunn vs S Hmadi, 1985 (B90) Sicilian, Najdorf, 29 moves, 1-0