Individual Calculations May 2011
 Sousa Rabello, David  Total change: 4.05  Rating chartPersonal card
 IRT Aberto Rio de Janeiro de Verao 2011 Rio de Janeiro/RJ BRA 2011-02-12
RcRownchangeKK*chgGame
 2008 1958 2.00 4 0.27 15 4.05 
  Rodrigues, Nei Jorge 2035 BRA0.001-0.3915-5.85 
  Reis, Virginia Lagrange M. 1835 BRA0.501-0.1715-2.55 
  Santos Filho, Tadeu Souza 2092 BRA0.5010.18152.70 
  Borensztajn, David 2068 BRA1.0010.65159.75 

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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