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ELO CALCULATOR CHESS RATING

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ELO rating list
 
ELO CHESS RATING CALCULATOR

Old rating:

Opponent's Rating Score  
 

Choose K

New rating:
 
 
K val - K is the development coefficient. 
K = 30 for a player new to the rating list until he has completed events with a total of at least 30 games. 
K = 15 as long as a player`s rating remains under 2400. 
K = 10 once a player`s published rating has reached 2400, and he has also completed events with a total of at least 30 games. Thereafter it remains permanently at 10.
 

 
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