Individual Calculations September 2021
 Caspi, Israel  Total change: -9.70  Rating chartPersonal card
 Maccabi Ramat Gan Chess Championship 2021 A Ramat Gan ISR 2021-08-01
RcRownchangeKK*chgGame
 2270 2509 3.00 5 -0.97 10 -9.70 
  Katkov, Michelle wf2173 ISR1.0010.12101.20 
  Goikhman, Valentin 2295 ISR1.0010.23102.30 
  Ribshtein, Nati m2281 ISR0.001-0.7910-7.90 
  Zemach, Roee f2247 ISR0.501-0.3210-3.20 
  Levin, Guy f2354 ISR0.501-0.2110-2.10 

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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