Interference of a black line by a pinned black piece which moves along the pin-line (Pelle move).
See also: Pelle move; Holzhausen interference.
Tataris, Antonis
Moutecidis, Pavlos N.
H. Colonelli-85 JT, 1982
1st Prize
1.Qa4
Rxc7
2.Rc4
Bxf6#
1.Rf5
Bxf6
2.Qe5
Rxc7#