Individual Calculations July 2008
 Arruda Filho, Ivo Pereira De  Total change: 10.50  Rating chartPersonal card
 Aberto do Brasil - etapa Sao Sebastiao do Paraiso Sao Sebastiao do Paraiso/MG BRA 2008-03-07
RcRownchangeKK*chgGame
 2171 1921 1.00 3 0.42 25 10.50 
  Batista, Gerson Peres 2211 BRA0.001-0.1625-4.00 
  Nascimento, Davi Da Silva 2161 BRA0.5010.30257.50 
  Braghini, Erlon 2141 BRA0.5010.28257.00 

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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