Individual Calculations May 2021
 Bar, Roman  Total change: -9.20  Rating chartPersonal card
 Israeli national league. Rounds 1-2 Various ISR 2021-04-22
RcRownchangeKK*chgGame
 2334 2497 0.50 2 -0.92 10 -9.20 
  Aharonovich, Itamar f2283 ISR0.501-0.2710-2.70 
  Iliaguev, Nisim f2384 ISR0.001-0.6510-6.50 

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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