A set of three or more checks are made in sequential order.
See also: Crosscheck.
Bachmann, Karlheinz
Schöneberg, Achim
Reich, Hans-Peter
Die Schwalbe, 1995
Spec. Prize
1.dxe6+
Rd7+
2.Bxd7+
Sc6+
3.Qxd3+
c4+
4.Qxc4+
bxc4+
5.Kd6+
Be5+
6.Rxe5+
fxe5+
7.Rxe5+
c5+
8.Rxc5+
bxc5#
Abdurahmanović, Fadil
Mladenović, Miodrag
WCCC (Arnhem), 4 Days Tourney, 1981
2nd Prize
1.Qd6+
Se6+
2.Kd5+
Se5#
1.Qf3+
Sf5+
2.Ke4+
Sb2#
Siotis, Nikos
Problemas, 1984
Comm.
a) 1.Bd5+
Kc3+
2.Sb4+
Bd3#
b) 1.Rc6+
Bxc6+
2.Qd5+
Kc3#
FEN: 8/1b1n4/pr1qp3/1B2pp2/R1K1kpp1/P2n1r2/1p1P1pQ1/2b5
External links:
Zalokocky, Roman
Seredinsky, Volodimir
Sportyvna Gazeta, 1987
3rd Prize
1.Sd2+
Sc5+
2.Sec4+
f6#
1.Sd3+
f6+
2.Sce5+
Sc5#
Ellinghoven, Bernd
WCCC (Arnhem), 4 Days Tourney, 1981
1st Prize
1.Sf5+
Rg3+
2.Bd2+
Bb3#
1.Bh8+
Bb3+
2.Sc4+
Rg3#