Individual Calculations January 2012
 Pereira, Vilalba Guilherme  Total change: 18.60  Rating chartPersonal card
 IRT Rio de Janeiro de Inverno 2011 Rio de Janeiro BRA 2011-08-10
 1945 1927 3.00 5 0.62 30 18.60 
  Mascarenhas, Alberto Pinheiro f2265 BRA0.001-0.1230-3.60 
  Diaz, Marcos 1697 BRA1.0010.21306.30 
  Bil, Angelo 2104 BRA0.001-0.2730-8.10 
  Mangini, Jose Henrique De Mello 1608 BRA1.0010.13303.90 
  Rodrigues, Nei Jorge 2053 BRA1.0010.673020.10 

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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