Chess Rating Calculators
Easily calculate your FIDE, USCF, or ECF chess rating changes after tournaments. Accurate, up-to-date, and simple to use.
Why Use Our Calculators
Accurate Formulas
All calculators use the official, up-to-date formulas from their respective chess federations.
Special Rules
Accounts for special cases like rating floors, bonus points, and category adjustments.
Made for Players
Designed by chess players for chess players, with intuitive interfaces and helpful explanations.
Our Calculators
FIDE Rating Calculator
Calculate your international chess rating changes using the official FIDE formula.
Use CalculatorUS Chess Calculator
Calculate your USCF rating changes with accurate formulas for regular and quick ratings.
Use CalculatorECF Rating Calculator
Calculate your English Chess Federation rating changes using the official ECF formula.
Use CalculatorStart Calculating Your Chess Rating
Our calculators use the official formulas from FIDE, USCF, and ECF to give you accurate results.
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