Individual Calculations January 2021
 Weissberg, Harel  Total change: -21.60  Rating chartPersonal card
 Masters Year's Start U2000 - Ramat Gan Ramat-Gan ISR 2020-09-17
RcRownchangeKK*chgGame
 1181 1396 1.00 2 -0.54 40 -21.60 
  Hillel, Daniel 1135 ISR0.001-0.8240-32.80 
  Goz, Liat 1227 ISR1.0010.284011.20 

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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