A piece travels from square A to square B using different routes in different phases. Squares A and B are not the same. The idea should be shown in at least three phases.
Feather, Christopher John
British Chess Magazine, 1995
1.Qxc6
Re2
2.Qc4
Sf4#
1.Qxe6
Sc3
2.Qc4
Be4#
1.Qxd5
Ba4
2.Qc4
Re3#
Chepizhny, Viktor
Kudesnik-25 JT, 2015
1st Prize
1.b5
Sd4
2.f5
Sc6#
1.f6
Se3
2.f5
Sxc4#
1.fxg6
Sf4
2.gxf5
Sg6#
1.fxe6
Bxg5
2.exf5
Bf4#
FEN: 8/1p2Bp2/3RP1PP/K3kNp1/2p1n1p1/2P3pN/6P1/8
Csák, János
idee & form, 1991
4th HM
1.Bb3
Sb2
2.Bc2+
Sd3
3.Bd1
Sf4#
1.Rh1
Se3
2.Rhg1+
Sg2
3.Rgf1
Sf4#
1.Kd3
Sb6
2.Ke3
Sd5+
3.Ke2
Sf4#
Luce, Sébastien
Die Schwalbe, TT-214, 2019
2nd HM
1...Sf6
2.Sg5
Sxh5
3.Kf3
Sf4
4.Kg4
Sd5
5.Kh5
Sf6#
1...Sc7
2.Kd3
Sxa6
3.Kc4
Sb4
4.Kb5
Sd5
5.Ka6
Sc7#