A pawn's initial double-move is divided into two parts. [FIDE Album] Festina Lente is a Latin phrase meaning "make haste slowly" and is famous for being first used by the Roman Emperor Augustus.
Kampmann, Bruno
diagrammes, 1998
2nd Prize
1.Sf3
Kg7
2.h5
g4
3.h4
g5
4.h3
g6
5.h2
gxf7
6.h1=R
f8=Q
7.Rb1
Qa3#
1.Kb2
g3
2.Kc3
g4
3.Kd4
g5
4.Ke5
g6
5.Kf6
Kh5
6.Kg7
gxf7
7.Kh8
f8=Q#
Avner, Uri
The Problemist, 2012
1...d4#
1.Bb3
d3
2.Bc4
d4#
1.Bd3
Bf3
2.Bf5
Sd7#
FEN: 8/8/pp1ppN2/qp1Nk3/rrb3Bp/2K4P/pn1P4/b7