Shifted Babson task
Compared to normal Babson, the Allumwandlung promotions are cyclically shifted, for instance Q/r-R/b-B/s-S/q.
See also: Babson task; Allumwandlung.
Kárpáti, Aurél M.
Probleemblad, 1957
1st Prize
h#3 (7+4)
b) bKe5→a5
+c) wKc8→f1
+d) bKa5→d4
a) 1.a1=R
d7
2.Rf1
d8=Q
3.Rf5
Qd6#
b) 1.a1=Q
d7
2.Qd1
d8=S
3.Qa4
Sc6#
c) 1.a1=B
d7
2.Bc3
d8=R
3.Bb4
Ra8#
d) 1.a1=S
d7
2.Sb3
d8=B
3.Sxc5
Bf6#