Individual Calculations October 2020
 Kostavetsky, Alexander  Total change: -3.00  Rating chartPersonal card
 Liga Beit Rishon-Rehovot 2020 Round 7 - Postponed match Various ISR 2020-09-05
RcRownchangeKK*chgGame
 1421 1597 1.00 1 0.27 20 5.40 
  Sandovich, Liviu 1421 ISR1.0010.27205.40 

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)
 
 Liga Beit Rishon-Rehovot 2020 Round 8 Various ISR 2020-09-10
RcRownchangeKK*chgGame
 1197 1597 0.50 1 -0.42 20 -8.40 
  Gilev, Arthur 1197  * ISR0.501-0.4220-8.40 
 * 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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