Individual Calculations October 2008
 Jordao Barbosa, Marcio  Total change: -13.00  Rating chartPersonal card
 III Aberto Xadrez Potiguar Natal/RN BRA 2008-07-03
 2130 1847 0.00 3 -0.52 25 -13.00 
  Macedo, Maximo Iack 2197 BRA0.001-0.1125-2.75 
  Macedo, Maximo Valerio f2197 BRA0.001-0.1125-2.75 
  Chellappa, Thiago 1997 BRA0.001-0.3025-7.50 

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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