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Both calculators run independently — change the inputs on either side to compare results.

Chess Elo Rating Change Calculator

Calculates the exact Elo points you gain or lose after a chess game using the official FIDE formula. Enter your rating, opponent's rating, result, and K-factor to see your updated score.

Your Current Rating (Elo)

Opponent's Rating (Elo)

Game Result

K-Factor

Chess

Chess Rating Progress Tracker

Estimate how many months it will take to reach your target chess rating given your recent progress, study hours, and weekly game volume. Perfect for setting realistic improvement milestones.

Current Rating (ELO)

Target Rating (ELO)

Rating Gained (Last 3 months) (points)

Games per Week (games)

Study Hours per Week

Key differences

	Chess Elo Rating Change Calculator	Chess Rating Progress Tracker
Category	Chess	Chess
Inputs required	4	5
Result	Rating Change (points)	Months to Target (months)
What it does	Calculates the exact Elo points you gain or lose after a chess game using the official FIDE formula. Enter your rating, opponent's rating, result, and K-factor to see your updated score.	Estimate how many months it will take to reach your target chess rating given your recent progress, study hours, and weekly game volume. Perfect for setting realistic improvement milestones.