Rapid: Individual Calculations December 2017
 Efrati, Alon  Total change: -10.80  Rating chartPersonal card
 Adi Rosen Memorial Rapid 04.11.17 B Shoham ISR 2017-11-04
RcRownchangeKK*chgGame
 1464 1482 1.50 4 -0.54 20 -10.80 
  Ayalon, Rom 1160 ISR1.0010.13202.60 
  Amitai, Ido 1507 ISR0.001-0.4720-9.40 
  Katsnelson, Leonard 1650 ISR0.001-0.2820-5.60 
  Zlotsiver, Rami 1537 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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