Calculate your FIDE chess rating instantly

Whether you are playing a tournament, an external competition, or a club game: with this free rating calculator, you can easily calculate your new chess rating. The tool calculates your live rating and supports the international FIDE rating.

The calculator is free and completely ad-free. With the rating calculator, any chess player can calculate their current FIDE rating at any time. The tool automatically determines the K-factor, can process multiple games simultaneously, saves them, and also includes a TPR calculation.

This calculator is developed and maintained by Martijn Hardeman.