Individual Calculations March 2015
 Landa, Leon  Total change: -6.60  Rating chartPersonal card
 Liga Artzit Mercaz 2015 Round 1-3 various ISR 2015-01-24
RcRownchangeKK*chgGame
 2054 1991 0.50 2 -0.33 20 -6.60 
  Aronin, Pavel 2085 MNC0.5010.13202.60 
  Freidles, Victor 2022 ISR0.001-0.4620-9.20 

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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