Individual Calculations May 2011
 Bryant, John D  Total change: -5.50  Rating chartPersonal card
 2nd Annual Philadelphia Open Philadelphia, Pennsylvania USA 2011-04-20
RcRownchangeKK*chgGame
 2257 2418 5.00 8 -0.55 10 -5.50 
  Aramil, William J 2277 USA1.0010.31103.10 
  Schwartz, Maxwell 2090 USA1.0010.13101.30 
  Ludwig, Daniel J m2450 USA0.5010.04100.40 
  Weiss, Allen 2183 USA0.501-0.2910-2.90 
  Harmon-Vellotti, Luke 2128 USA0.001-0.8410-8.40 
  Fikiet, Alex M 2223 USA1.0010.25102.50 
  Belliard, Luis 2212 DOM1.0010.24102.40 
  Amanov, Mesgen g2495 TKM0.001-0.3910-3.90 

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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