Fog of War Chess

Fuente: arXiv
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Main Authors: Gehnen, Matthias, Stannat, Julius
Format: Preprint
Published: 2026
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author Gehnen, Matthias
Stannat, Julius
author_facet Gehnen, Matthias
Stannat, Julius
contents Fog of War chess is a popular variant of classical chess, in which both players have only partial information about the position of the opponent's pieces. This study provides the first theoretical analysis of endgames in Fog of War chess. In particular, we analyze the setups king and queen versus king, king and rook versus king, and king and two rooks versus king. We show that a king and queen can always guarantee a win against a lone king. In contrast to classical chess, a king and a rook cannot guarantee a win against a lone king. However, adding one more rook guarantees a win.
format Preprint
id arxiv_https___arxiv_org_abs_2601_18813
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Fog of War Chess
Gehnen, Matthias
Stannat, Julius
Computer Science and Game Theory
Fog of War chess is a popular variant of classical chess, in which both players have only partial information about the position of the opponent's pieces. This study provides the first theoretical analysis of endgames in Fog of War chess. In particular, we analyze the setups king and queen versus king, king and rook versus king, and king and two rooks versus king. We show that a king and queen can always guarantee a win against a lone king. In contrast to classical chess, a king and a rook cannot guarantee a win against a lone king. However, adding one more rook guarantees a win.
title Fog of War Chess
topic Computer Science and Game Theory
url https://arxiv.org/abs/2601.18813