A checking tempo move by White or Black.
See also: Tempo move; Tempo maneuver.
Paliulionis, Viktoras
Match Latvia-Lithuania-Leningrad, 1986
1st-2nd Prize
a) 1.Qc5+
Sd5
2.Qa3
Sb6#
b) 1.Qe3+
Be4
2.Qa3
Bc6#
Földeák, Árpád
Christmas Card, 1950
1.a1=Q+
Ke2
2.Qe5+
Kf1
3.Qb5
Rxb3#
Korponai, József
Problemista, 1968
a)
1.Se4
Sf6+
2.Qxf6
Sc7#
1.Se6
Sc7+
2.Qxc7
Sf6#
b)
1.Sc4
Sb6+
2.Qxb6
Se7#
1.Sc6
Se7+
2.Qxe7
Sb6#
Kricheli, Josif
Schach-Echo, 1975
3rd Prize
1.Sc3
Shf1+
2.Rxf1
Kxb4#
1.Sf6
Sxf3
2.Bxf3
Kxb5#
1.Sc7
Sg4+
2.Rxg4
Kd6#