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Chess Rating
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USCF
United States Chess Federation. Uses official K-factor rules based on your rating and games played.
Estimate · Beta
FIDE
International Chess Federation. Standard Elo formula used in international tournaments worldwide.
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Rating Calculator

USCF & FIDE Elo Systems

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⚠ This calculator is provided for informational purposes only. Results are estimates and may not match official USCF or FIDE ratings. | FIDE calculation is in Beta and has not been fully verified. | For official ratings, visit ratings.uschess.org or ratings.fide.com.
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