Rapid: Individual Calculations October 2023
 Lerner, Arkady  Total change: -12.80  Rating chartPersonal card
 Northern Israel Rapid Championship for veteran players Nahariya ISR 2023-09-08
RcRownchangeKK*chgGame
 1914 1952 2.00 5 -0.64 20 -12.80 
  Zurel, Maxim 1552  * ISR1.0010.08201.60 
  Kopelevich, Boris 2017 ISR0.5010.09201.80 
  Fainberg, Boris 1998 ISR0.5010.06201.20 
  Fridkin, Juri 2125 RUS0.001-0.2720-5.40 
  Noy, Shalom 1878 ISR0.001-0.6020-12.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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