Individual Calculations September 2011
 Zepeda, Sonia  Total change: -19.35  Rating chartPersonal card
 1st Metropolitan Chess FIDE International Los Angeles, CA USA 2011-08-17
RcRownchangeKK*chgGame
 2081 2068 3.00 9 -1.29 15 -19.35 
  Tayar, Jonathan m2335 CAN0.001-0.1815-2.70 
  Rosen, Eric S 2216 USA0.001-0.3015-4.50 
  Carreto, Giovanni c2251 MEX0.001-0.2615-3.90 
  Hamzah, Amier c1723 MAS1.0010.11151.65 
  Haessel, Dale R f2211 CAN0.001-0.3115-4.65 
  Viswanadha, Kesav 1919 USA0.001-0.7015-10.50 
  Anderson, Michael 1862 USA1.0010.24153.60 
  Tanaka, Christian 2098 USA0.5010.04150.60 
  Clawitter, Craig 2118 USA0.5010.07151.05 

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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