Individual Calculations June 2013
 Mahan, William Taylor  Total change: 30.60  Rating chartPersonal card
 Regionalliga Ruhrgebiet 2012/13 Bochum GER 2012-09-09
RcRownchangeKK*chgGame
 2031 2023 2.00 2 1.02 30 30.60 
  Reisberg, Andre 1990 GER1.0010.453013.50 
  Kortenbusch, Christoph 2071 GER1.0010.573017.10 

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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