Individual Calculations September 2010
 Ryba, Nicholas  Total change: -3.60  Rating chartPersonal card
 38th Annual World Open - Open Section King of Prussia, Pennsylvania USA 2010-06-29
RcRownchangeKK*chgGame
 2263 2109 2.00 7 -0.24 15 -3.60 
  Kekelidze, Mikheil g2436 GEO1.0010.871513.05 
  Wang, Puchen m2469 NZL0.001-0.1015-1.50 
  Schneider, Igor f2392 USA0.001-0.1615-2.40 
  Adamson, Robby f2328 USA0.001-0.2215-3.30 
  Chen, Howard J 2276 USA0.001-0.2815-4.20 
  Smarty, Sylvester 2057 USA0.501-0.0715-1.05 
  Helfst, Matt 1884 USA0.501-0.2815-4.20 

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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