Individual Calculations January 2015
 Bobula, Mateusz  Total change: -10.90  Rating chartPersonal card
 2nd Annual Greater Midwest Class Championships Schaumburg, Illinois USA 2014-11-28
RcRownchangeKK*chgGame
 2110 2368 0.50 2 -1.09 10 -10.90 
  Fisher, William f2223 USA0.001-0.6910-6.90 
  Furfine, Jacob 1997 USA0.501-0.4010-4.00 

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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