Individual Calculations December 2018
 Derakhshani, Borna  Total change: 0.80  Rating chartPersonal card
 2018/19 4NCL Div 1 Rounds 1 - 2 Daventry ENG 2018-11-10
RcRownchangeKK*chgGame
 2343 2324 1.00 2 0.04 20 0.80 
  Gordon, Stephen J g2544 ENG0.001-0.2220-4.40 
  Gayson, Peter M 2141 ENG1.0010.26205.20 

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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