Calculate your chess rating across different national and international rating systems.
mehmet@linux:~$ calculate rating
The official international chess rating system used by FIDE worldwide.
The official rating system of the Russian Chess Federation.
The official rating system of the All India Chess Federation.
The official rating system of the United States Chess Federation.
Deutsche Wertungszahl — the German chess rating system.
The official rating system of the French Chess Federation.
The official rating system of the English Chess Federation.
The national rating system of the Turkish Chess Federation.