The concept of the problem includes the following components:
Kh8->Ka1->Ka8->Kh1->Kh8. Corner to corner х5.
Multiple Switchbacks of the bK with Rundlauf.
March of the black King from 8th to 1st rank and from "a" to "h" file).
White Maximal, Promotion.
19 pieces +57 moves: 1957 the year of my birth.
Motto of the problem: "Everything had come from somewhere else, and it would all go somewhere else. I was nothing but a pathway for the person known as me". Haruki Murakami.
The idea is anticipated by Per Grevlund 1980 (see in PDB P1113331). If you want the automatic first move you can there also move the bK to b8 and add a wQa8.
The idea is anticipated by Per Grevlund 1980 (see in PDB P1113331). If you want the automatic first move you can there also move the bK to b8 and add a wQa8.