Individual Calculations January 2011
 Sousa Jr, Jose Antonio Madalena  Total change: -20.25  Rating chartPersonal card
 Copa São Paulo 2010 - Aberto do Brasil Sao Jose do Rio Preto/SP BRA 2010-11-26
RcRownchangeKK*chgGame
 2213 2026 0.00 3 -0.81 25 -20.25 
  Stamenkovic, Dragan m2361 SRB0.001-0.1225-3.00 
  Shiroma, Silvio Haruo 2182 BRA0.001-0.2925-7.25 
  Costa, Paulo Cesar 2096 BRA0.001-0.4025-10.00 

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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