Individual Calculations February 2017
 Gruenfeld, Yehuda  Total change: -2.70  Rating chartPersonal card
 Israel National Team Championship 2017 Round 1-4 various ISR 2017-01-06
RcRownchangeKK*chgGame
 2320 2417 1.00 2 -0.27 10 -2.70 
  Aharon, Ofir f2318 ISR0.001-0.6410-6.40 
  Mordechai, Hanan f2322 ISR1.0010.37103.70 

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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