At least twice in a row a move is played to the just vacated square.
See also: Closed chain of Umnov; Delayed Umnov; FML; Umnov move; Umnov mate.
Alias: Successive Umnov.
Semenenko, Valery
Chorno-bili stezhyny, V. Stankevich-85 JT, 2016
3rd Prize
1...Rxc1
2.Kg6
Rxd1
3.c1=R
Rxe1
4.d1=S
Rxf1
5.e1=R
Rg2#
Niemann, John
Feenschach, 1963 (corr.)
2nd Prize
1.Sd5
Bb6
2.Sf4+
Sd5
3.Sg2+
Sef4#
Abdurahmanović, Fadil
Orbit, 2006
2nd Prize
1.Sd1+
Sf2
2.Sf6
Se4
3.Sf2
Sd6
4.S6e4
Sf5#