Valladao task
Combination of the three special moves: promotion, en passant capture and castling in a single problem.
Zezza, Isidoro
Carrà, Arturo
2nd FIDE Tournament, 1959
1st Prize
h#5 (3+10)
1.0-0-0
Ka2
2.b1=R
Se4
3.Sc7+
c4
4.bxc3 e.p.+
Ka3
5.Rb8
Sd6#