Individual Calculations September 2010
 Aldridge, Alan L  Total change: -7.05  Rating chartPersonal card
 111th Annual US Open - Jerry Hanken Memorial Irvine, California USA 2010-07-31
RcRownchangeKK*chgGame
 2150 1944 0.00 2 -0.47 15 -7.05 
  Shipman, Walter J m2191 USA0.001-0.1915-2.85 
  Clawitter, Craig 2109 USA0.001-0.2815-4.20 

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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