Individual Calculations July 2009
 Zierk, Steven C  Total change: 9.75  Rating chartPersonal card
 11th Annual Foxwoods Open Mashantucket, Connecticut USA 2009-04-08
RcRownchangeKK*chgGame
 2311 2296 4.50 8 0.65 15 9.75 
  Robson, Ray m2465 USA0.001-0.2815-4.20 
  Kelley, Dereque D 2149 USA0.501-0.2015-3.00 
  Pozarek, Stephen J 2139 USA1.0010.29154.35 
  Esserman, Marc R 2391 USA1.0010.63159.45 
  Smith, Bryan G m2474 USA0.5010.23153.45 
  Yermolinsky, Alex g2522 USA0.001-0.2115-3.15 
  Shvartsman, Andrew N 2057 USA1.0010.20153.00 
  Uesugi, Shinsaku 2288 JPN0.501-0.0115-0.15 

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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