Individual Calculations December 2013
 Brett, Andrew R  Total change: -17.70  Rating chartPersonal card
 4NCL 2013-14 Rounds 1-2 Various ENG 2013-11-16
RcRownchangeKK*chgGame
 2111 2142 0.50 2 -0.59 30 -17.70 
  Weller, Pierre 2129 ENG0.001-0.5230-15.60 
  Richmond, Jane wf2093 WLS0.501-0.0730-2.10 

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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