Siers battery
The front piece, leaving the battery line, gives a flight; when the king moves to this flight, the former front piece moves again, but not back to its starting square, to give check or mate.
⧗ Theodor Siers (1910-1991).
Oudot, Jean
Tidskrift för Schack, 1969
3rd Prize
h#2 8.1... (8+12)
1.d2
Sc3+
2.Kf4
Se2#
1.c3
Sb4+
2.Kf4
Sxd3#
1.Qg6
Sxe3+
2.Kxf6
Sg4#
1.Rxf6
Sxf6+
2.Kf4
Sxh5#
1.Rg6
Sf4+
2.Kxf6
Sxh5#
1.Bg6
Se7+
2.Kxf6
Sg8#
1.Sxe6
Sc7+
2.Kf4
Sxe6#
1.Sg6
Sb6+
2.Kxf6
Sd7#
Siers Battery (8x).
Schaffner, Gerold
Der Landbote, 2015
h#2 2.1... (5+4)
1.Rc7
dxc7+
2.Ke7
cxd8=Q#
1.Rf8
d7+
2.Ke7
dxc8=S#
"Promotion-Siers"
View in Helpmate Analyzer
FEN: 2bn4/5r2/1R1Pk3/7B/8/8/3RK3/8