Chess ELO Rating Change Calculator
Calculate your new ELO rating based on the match result.
Result
1.513 puan
New rating: 1.513 (+12,8)
Result in all units
Step-by-step solution
New = ELO + K × (actual − expected)
What Is Chess ELO?
ELO is a rating system that expresses the strength of chess players numerically. Points are gained or lost depending on match results.
How is it calculated?
How Is It Calculated?
New ELO = old ELO + K × (result − expected result)
- Enter both players' ELO and the match result.
- The expected result is derived from the rating difference.
Frequently Asked Questions
Why do you gain many points when beating a strong opponent?
Because the expected result is low, an unexpected win brings a larger rating change.