Looking through some of my old files, I encountered this instructive attacking game of Latvian Grandmaster Aivars Gipslis (1937-2000) from the Yurmala 1987 tournament.
Underestimate the Giuoco Pianissimo at your own peril!
How did White continue?
22. ?
When playing through the game and notes below, clicking on a move brings up the current board position.