Individual Calculations January 2009
 Sa, Claudio Simao Carvalho Fari  Total change: -7.80  Rating chartPersonal card
 XXVI Open Cucujaes Cucujaes POR 2008-12-06
RcRownchangeKK*chgGame
 1696 1488 0.00 2 -0.52 15 -7.80 
  Bolhari, Orphe Iraj 1838 IRI0.001-0.1115-1.65 
  Ribau, Nidia Salvador 1553 POR0.001-0.4115-6.15 

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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