Individual Calculations May 2010
 Sorkin, Igor  Total change: -11.70  Rating chartPersonal card
 40th Annual World Amateur Team & US Tean East Parsippany, New Jersey USA 2010-02-13
RcRownchangeKK*chgGame
 2161 2392 1.50 3 -0.78 15 -11.70 
  Finneran, Michael 2014 USA0.501-0.4115-6.15 
  Molner, Mackenize 2393 USA0.5010.00150.00 
  Markovits, Alex 2075 USA0.501-0.3715-5.55 

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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