Individual Calculations January 2015
 Rosen, Eric S  Total change: -4.60  Rating chartPersonal card
 2nd Annual Greater Midwest Class Championships Schaumburg, Illinois USA 2014-11-28
RcRownchangeKK*chgGame
 2216 2300 1.00 2 -0.23 20 -4.60 
  Kasiurak, Zach 2198 USA1.0010.36207.20 
  Velikanov, Alexander f2234 USA0.001-0.5920-11.80 

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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