Chess>Combinations>Knight>Fork>FamilyFork>+Pin>2
Racozin-Veresov, 1945
White To Play
1) rg6+ fg
first "Rooksac" is actually an exchange sacrifice "Exsac."
if 1)... kg6, 2)qg3+ kh6, 3)rf4 followed by rh4 mates--"Rook Lift."
2) rf7+ kf7
second "Rooksac"
3) qh7+ ke6
Black "King runs."
On 3)... kf8, 4)nf4 rf1 5)ng6+ ke8, 6)qg8 mates.
4)qg6+ ke5
5)qf7+ ke4
White's q "pins" black's pawn
if 5)... k-e6 6)nf4mate
6)nf6+ ef
White's knight creates a "Family Fork" but if black takes it with the pinned pawn he loses his q.
7)qxd7 and white has a winning endgame.