Individual Calculations January 2014
 O`Brien, Matthew J  Total change: -1.35  Rating chartPersonal card
 44th Annual National Chess Congress Philadelphia, Pennsylvania USA 2013-11-29
RcRownchangeKK*chgGame
 2083 1942 2.00 6 -0.09 15 -1.35 
  Moradiabadi, Elshan g2342  * IRI0.001-0.0815-1.20 
  Metzger, Jimmy 2008 USA1.0010.59158.85 
  Shen, Arthur f2316 USA0.001-0.1015-1.50 
  Gorti, Akshita wf1937 USA0.501-0.0115-0.15 
  Chen, Andy 2053 USA0.001-0.3515-5.25 
  Nguyen, Tan f1841 USA0.501-0.1415-2.10 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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