Individual Calculations January 2021
 Blumenthal, Michael  Total change: -20.40  Rating chartPersonal card
 Masters Year's Start U2000 - Ramat Gan Ramat-Gan ISR 2020-09-17
RcRownchangeKK*chgGame
 1225 1500 1.00 1 0.17 40 6.80 
  Weber, Yonatan 1225 ISR1.0010.17406.80 

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)
 
 Liga Artzit Lenoar Merkaz 2021 Group B 1 Varilus ISR 2020-12-24
RcRownchangeKK*chgGame
 1305 1436 0.00 1 -0.68 40 -27.20 
  Golan, Tom 1305 ISR0.001-0.6840-27.20 

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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