Individual Calculations December 2015
 Drayton, Doff  Total change: -44.00  Rating chartPersonal card
 F. W. De Verteuil Memorial Open 2015 Port of Spain TTO 2015-10-08
RcRownchangeKK*chgGame
 1725 1649 1.00 5 -1.10 40 -44.00 
  Ramos Caldera, Cesar c2009 VEN0.001-0.1040-4.00 
  Dennis, Brent 1471 TTO0.001-0.7340-29.20 
  Ali, Amy 1390 TTO1.0010.18407.20 
  Lee, Hayden 1960 TTO0.001-0.1440-5.60 
  Davis, Daryl c1793 TTO0.001-0.3140-12.40 

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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