Individual Calculations December 2015
 Di-Vetta, Andrew  Total change: -16.80  Rating chartPersonal card
 48th West Wales Championship Swansea WLS 2015-11-19
RcRownchangeKK*chgGame
 1747 1587 0.50 3 -0.42 40 -16.80 
  Guy, David 1887 WLS0.001-0.1540-6.00 
  Buttell, David 1805 WLS0.001-0.2240-8.80 
  Williams, David J 1550 WLS0.501-0.0540-2.00 

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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