Individual Calculations September 2009
 Maia, Jose Eduardo Bastos O.  Total change: 18.45  Rating chartPersonal card
 Continental Absolute Champioship 2009 Sao Paulo Chess Club/SP BRA 2009-07-25
RcRownchangeKK*chgGame
 2183 2118 4.50 8 1.23 15 18.45 
  Awoki, Daniel Teidi 1927 BRA1.0010.25153.75 
  Quinones, Cesar f2318 PER0.5010.26153.90 
  Gonzalez, Bolivar Ribeiro f2292 BRA0.001-0.2715-4.05 
  Chiari, Arthur Gontijo f1854 BRA1.0010.18152.70 
  Caldeira, Adriano f2268 BRA0.5010.20153.00 
  Sega, Carlos Alberto f2293 BRA0.5010.23153.45 
  D`israel, Davy 2240 ARG1.0010.671510.05 
  Oliveira, Jefferson Dos Santos 2274 BRA0.001-0.2915-4.35 

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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