Individual Calculations April 2009
 Gonzalez, Bolivar Ribeiro  Total change: 23.10  Rating chartPersonal card
 ITT Instituto de Engenharia do Parana - IEP Curitiba BRA 2009-02-03
RcRownchangeKK*chgGame
 2348 2269 5.50 10 1.54 15 23.10 
  Mareco, Sandro m2503 ARG0.5010.29154.35 
  Jabbar, Toyfeeq 2211 IRQ1.0010.42156.30 
  Disconzi Da Silva, Rodrigo m2368 BRA0.5010.14152.10 
  Giardelli, Sergio C. m2378 ARG1.0010.65159.75 
  Choma, Ernani Francisco f2281 BRA0.001-0.4815-7.20 
  Mareco, Sandro m2503 ARG0.001-0.2115-3.15 
  Jabbar, Toyfeeq 2211 IRQ1.0010.42156.30 
  Disconzi Da Silva, Rodrigo m2368 BRA0.5010.14152.10 
  Giardelli, Sergio C. m2378 ARG1.0010.65159.75 
  Choma, Ernani Francisco f2281 BRA0.001-0.4815-7.20 

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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