Linear cycle
A special case of the closed walk where all visited squares (except first and last) are different and belong to the same rank, file, or diagonal.
See also: Closed walk; Areal cycle; Switchback.
Paliulionis, Viktoras
SuperProblem, 2018
Spec. Prize
h#7.5 (2+6)
1...Bd5
2.Kd3
Bc6
3.Kc4
Bb7
4.Kb5
Ka7
5.Qc4
Ba8
6.Sc5+
Kb8
7.Bb7
Kc7
8.Ba6
Bc6#
Bogdanov, Evgeny
Zalokocky, Roman
feenschach, 1983
Comm.
h#3 2.1... (6+14)
1.Bxb3+
Kxb4
2.Bc4
Bxc1
3.Ba2+
Bf4#
1.Rxf4+
Kd5
2.Rc4
Sxc1
3.Rcg4+
Sb3#
Linear cycle bB & bR.
Csák, János
idee & form, 1991
4th HM
h#3 3.1... (5+7)
1.Bb3
Sb2
2.Bc2+
Sd3
3.Bd1
Sf4#
1.Rh1
Se3
2.Rhg1+
Sg2
3.Rgf1
Sf4#
1.Kd3
Sb6
2.Ke3
Sd5+
3.Ke2
Sf4#