A black piece gives check and unpins a white piece which defeats the check giving check.
⧖ Giorgio Guidelli (Italia, 1897-1924).
See also: Authier theme.
Visserman, Eeltje
Al Hamishmar, Israel Ring Tourney, 1964
6th Prize
a) 1.Bxd5+
Kxd6
2.Be6+
Bxd3#
b) 1.Rxg6+
Kf7
2.Re6+
Rxh5#
Niemann, John
Feenschach, 1963 (corr.)
2nd Prize
1.Sd5
Bb6
2.Sf4+
Sd5
3.Sg2+
Sef4#
Kele, Janos
Hungarian Chess Federation TT, Magyar Sakkélet, 1962
1st prize
1.Qe3+
Se5+
2.Se4+
Sc6#
,
1.S3h4+
Qf3+
2.Kxf3
Sg5#
1.S5h4+
Qf5+
2.Kxf5
Sd6#
FEN: 8/5N2/4b1pr/3N1n1Q/4kP2/4rn1K/4pq2/8