Individual Calculations February 2019
 Zalkind, Konstantin  Total change: -5.20  Rating chartPersonal card
 Liga Artzit Merkaz 2019 1-2 Various ISR 2019-01-10
RcRownchangeKK*chgGame
 2254 2169 0.50 2 -0.26 20 -5.20 
  Kraus, Ohad 2283 ISR0.001-0.3420-6.80 
  Yaniv, Yuval 2224 ISR0.5010.08201.60 

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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