Individual Calculations March 2022
 Ostfeld, Zvi  Total change: -13.20  Rating chartPersonal card
 Liga Bet Merkaz 2022 Rounds 1-2 Various ISR 2022-02-10
RcRownchangeKK*chgGame
 1490 1769 1.00 2 -0.66 20 -13.20 
  Memia, Yuval 1561 ISR0.001-0.7720-15.40 
  Ingel, Mica Bar 1419 ISR1.0010.11202.20 

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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