Individual Calculations May 2013
 Sherf, Roni  Total change: -3.15  Rating chartPersonal card
 Mark Centre Pesach A 2013 Tel Aviv ISR 2013-03-27
RcRownchangeKK*chgGame
 2149 2182 2.50 5 -0.21 15 -3.15 
  Shapira, Avner 2022 ISR1.0010.29154.35 
  Shutzman, Joseph f2239 USA0.5010.08151.20 
  Efroimski, Marsel wm2183 ISR0.001-0.5015-7.50 
  Shani, Amichai 2023 ISR1.0010.29154.35 
  Zak, Uriel m2276 ISR0.001-0.3715-5.55 

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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