MathDB
TOT 1998 Spring AS5 good and bad labyrinths in an 8x8 chessboard

Source:

May 11, 2020
Chessboardcombinatorics

Problem Statement

A "labyrinth" is an 8×88 \times 8 chessboard with walls between some neighboring squares. If a rook can traverse the entire board without jumping over the walls, the labyrinth is "good" ; otherwise it is "bad" . Are there more good labyrinths or bad labyrinths?
(A Shapovalov)