Comment on "Optimal conversion of Kochen-Specker sets into bipartite perfect quantum strategies"

TL;DR

This comment critically analyzes a recent paper by Trandafir and Cabello, highlighting numerous errors, inconsistencies, and inefficiencies in their approach to converting Kochen-Specker sets into bipartite perfect quantum strategies.

Contribution

The paper provides a detailed critique of the previous work, identifying specific issues and offering insights into the correct interpretation and methodology.

Findings

Identification of errors in the original paper

Discussion of inconsistencies in the proposed methods

Highlighting inefficiencies in the conversion process

Abstract

A recent paper of Trandafir and Cabello [Phys. Rev. A, 111, 022408 (2025)] contains a number of errors, inconsistencies, and inefficiencies. They are too numerous to be listed here, so we identify and discuss them in the main body of the comment.