A line-moving piece makes a critical move across the square where another piece of the same or opposite colour intercepts it. The active power of intercepted piece is suppressed permanently, unlike the temporary suppression in Indian or Maslar themes.
See also: Critical move; Indian; Maslar theme.
Morgner, Willy
Schachkongress Teplitz-Schönau im Oktober 1922, 1923
1.Re5
Ba8
2.Be6
Sb7+
3.Kd5
Se7#
Kluxen, Wilhelm
Kniests Schachbriefe, 1943
1.Rh4
Ra8
2.Sg4
Sa7
3.Kxa3
Sxc4#
Stapff, Hermann
Schach, 1951
1st Prize
1.Ra7
Bd4
2.Sb7
Ke5
3.Rg3
Kf6
4.Bg4
Kxf7#
Kirtley, Mark
The Problemist, 1988
1st HM
1.Bh7
Bd8
2.Rg6
Re2#
1.Rh6
Rf2
2.Bg6
Bc7#
Tataris, Antonis
Moutecidis, Pavlos N.
H. Colonelli-85 JT, 1982
1st Prize
1.Qa4
Rxc7
2.Rc4
Bxf6#
1.Rf5
Bxf6
2.Qe5
Rxc7#