Individual Calculations January 2012
 Ferreira, Alexander  Total change: 7.95  Rating chartPersonal card
 II Campeonato de Veteranos do Nordeste 2011 Joao Pessoa/PB BRA 2011-11-04
 1791 1683 2.00 4 0.53 15 7.95 
  Maracaba, Francisco Wladimir G 2000 BRA0.5010.37155.55 
  De Oliveira, Joao Eudes 1776 USA0.001-0.3715-5.55 
  Trigueiro, Hamilton Nobrega 1672 BRA1.0010.48157.20 
  Caio, Francisco Ferreira Sotero 1717 BRA0.5010.05150.75 

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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