Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Chess
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.
Chess
Chess Expected Score Calculator
Calculates the statistically expected score for a player against an opponent based on the ELO rating difference. Use it before a match or tournament to set realistic scoring goals.
Key differences
| Chess Elo Rating Change Calculator | Chess Expected Score Calculator | |
|---|---|---|
| Category | Chess | Chess |
| Inputs required | 4 | 3 |
| Result | Rating Change (points) | Expected Score (points) |
| 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. | Calculates the statistically expected score for a player against an opponent based on the ELO rating difference. Use it before a match or tournament to set realistic scoring goals. |