Disclaimer

General Notice

The tools provided on this website are for informational purposes only.

ELO Calculator

The ELO calculator does not represent official FIDE rating calculations and does not replace official federation communications.

Swiss Pairings Generator

The pairing generator uses heuristic logic and is not certified as official pairing software. It may not comply with FIDE or national federation regulations.

FIDE Data & Affiliation

ChessTools is an independent project and is not affiliated with, endorsed by, or officially connected to FIDE or national chess federations. Public FIDE rating data is used solely to provide user-requested calculations and estimates.

Liability

Use of these tools is at your own discretion and responsibility.