Anti-Levman mate
Black moves off a masked white guard-line, so allowing White to mate by opening this line and simultaneously cutting a second guard-line. [FIDE Album]
This is in fact a masked form of Somov mate (Somov B1).
⧖ Semen Levman (Russia, 1896-1942).
See also: Somov mate.
Alias: Anti-Levman.
Richter, Frank
MatPlus.Net JT, 2011
1st Prize
h#2 2.1... (8+11)
1.dxe2
Rc3
2.Sf7
Sc4#
1.gxh3
Rg7
2.Sb7
Sd7#
Somov B2 + Anti-Levman (x2).
Avner, Uri
Orbit, 2011
h#2* (9+5)
1...Rd1
2.Sxb5
Se5#
1.Sxf3
R1h3
2.Sfd4
Sb2#
Anti-Levman mate × 2
Somov mate mate (Somov B1 + B2) × 2
Somov mate mate (Somov B1 + B2) × 2