Individual Calculations March 2012
 Sorkin, Igor  Total change: -6.90  Rating chartPersonal card
 2012 Marshall Invitational New York, New York USA 2012-02-03
RcRownchangeKK*chgGame
 2335 2374 4.50 9 -0.46 15 -6.90 
  Getz, Alec f2326 USA0.501-0.0715-1.05 
  Kekelidze, Mikheil g2458 GEO0.001-0.3815-5.70 
  Salakhutdinov, Ildar 2262 RUS0.001-0.6515-9.75 
  Pressman, Leif A f2280 USA1.0010.37155.55 
  Ostrovskiy, Aleksandr f2319 USA1.0010.42156.30 
  Herman, Matthew J 2396 USA0.001-0.4715-7.05 
  Pujol, Carlos f2313 CUB1.0010.42156.30 
  De Firmian, Nick E g2512 USA0.5010.19152.85 
  Wu, Christopher 2148 USA0.501-0.2915-4.35 

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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