Individual Calculations September 2013
 Williams, Alan P  Total change: -1.80  Rating chartPersonal card
 2013 MCC July Grand Prix New York, New York USA 2013-07-13
RcRownchangeKK*chgGame
 2077 2106 1.50 3 -0.12 15 -1.80 
  Heublum, Jack E 1757 USA1.0010.11151.65 
  Sarkar, Justin m2451 USA0.001-0.1115-1.65 
  Ture, Taner 2022 USA0.501-0.1215-1.80 

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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