Individual Calculations July 2017
 Ratt, Priel  Total change: 4.40  Rating chartPersonal card
 Ramat Gan Masters Summer 2017 C Ramat Gan ISR 2017-05-07
RcRownchangeKK*chgGame
 1238 1351 4.00 6 0.11 40 4.40 
  Niv, Zvi 1336 ISR1.0010.484019.20 
  Asif, Matan 1170 ISR1.0010.264010.40 
  Elkayam, Omer 1334 ISR0.001-0.5240-20.80 
  Feldman, Amit 1176 ISR1.0010.274010.80 
  Bercovich, Asaf 1142 ISR1.0010.23409.20 
  Weissberg, Yair 1270 ISR0.001-0.6140-24.40 

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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