Why ChessPairings.org?

Everything you need to run professional chess tournaments, completely free

FIDE 2026 Compliant Already implements the latest FIDE Dutch system pairing rules (2025 edition, effective February 1st, 2026) via the bbpPairings engine.
5 Swiss Variants Support for Dutch, Burstein, Lim, and other Swiss pairing systems — plus full Round Robin tournament management.
28 Tiebreak Systems All FIDE-recognized tiebreak systems calculated automatically: Buchholz, Sonneborn-Berger, Progressive Score, and 25 more.
100% Free Forever No subscriptions, no hidden fees, no feature limitations. Professional tournament software available to everyone.

Frequently Asked Questions

Is ChessPairings.org really free?
Yes, 100% free with no subscriptions, hidden fees, or limitations. All features including Swiss pairing, Round Robin, tiebreaks, and all 13 languages are available at no cost.
Does it comply with FIDE 2026 rules?
Yes. ChessPairings.org already implements the FIDE Dutch system pairing rules (2025 edition, effective February 1st, 2026) via the bbpPairings open-source engine, making it one of the first platforms to be fully compliant.
What tiebreak systems are supported?
All 28 FIDE-recognized tiebreak systems, powered by the TieBreakServer open-source engine. This includes Buchholz, Sonneborn-Berger, Progressive Score, Average Rating of Opponents, and many more.
In how many languages is it available?
13 languages: English, Italian, Spanish, French, German, Polish, Turkish, Russian, Dutch, Portuguese, Norwegian, Hindi, and Chinese.