Individual Calculations May 2012
 Justice, David A  Total change: -17.10  Rating chartPersonal card
 16th Annual Mid-America Open Saint Louis, Missouri USA 2012-03-16
RcRownchangeKK*chgGame
 2110 2129 1.00 3 -0.57 30 -17.10 
  Hua, Margaret M 1955 USA0.501-0.2330-6.90 
  Ferber, Mark J 2243 USA0.001-0.3430-10.20 
  Steiner, Tim C 2131 USA0.5010.00300.00 

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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