A line-piece clears the line for another in two or more stages. The first move of the front piece cannot be a capture.
See also: Bristol; Pseudo Bristol; Hesitation.
Alias: Hesitating Bristol; Cascading line clearance; Stufenbahnung (Ger.).
Paliulionis, Viktoras
SuperProblem, 2018
Spec. Prize
1...Bd5
2.Kd3
Bc6
3.Kc4
Bb7
4.Kb5
Ka7
5.Qc4
Ba8
6.Sc5+
Kb8
7.Bb7
Kc7
8.Ba6
Bc6#