Blitz: Individual Calculations September 2021
 Alfi, Yosef  Total change: -23.60  Rating chartPersonal card
 Summer blitz chess -Chess4all Savyon ISR 2021-08-19
RcRownchangeKK*chgGame
 1554 1440 0.00 3 -1.18 20 -23.60 
  Westreich, Itay 1865 ISR0.001-0.0720-1.40 
  Iskoz, Daniel 1267 ISR0.001-0.7320-14.60 
  Shaham, Omer 1529 ISR0.001-0.3820-7.60 

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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