Individual Calculations August 2021
 Gilboa, Amos  Total change: -4.00  Rating chartPersonal card
 Liga Arzit Zafon 2021 Rounds 7-8 Various ISR 2021-07-08
RcRownchangeKK*chgGame
 2294 2183 0.50 2 -0.20 20 -4.00 
  Ruderfer, Mark B 2268 RUS0.5010.12202.40 
  Kreizberg, Michael f2320 ISR0.001-0.3220-6.40 

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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