Individual Calculations May 2012
 Salama, Omar  Total change: 7.20  Rating chartPersonal card
 Icelandic Team Championship 2011-2012 2 div Round 5-7 Selfoss ISL 2012-03-02
RcRownchangeKK*chgGame
 2272 2278 2.00 3 0.48 15 7.20 
  Jonsson, Bjorgvin m2363 ISL0.5010.12151.80 
  Baldursson, Hrannar 2138 ISL0.501-0.1915-2.85 
  Muhren, Bianca wg2316 NED1.0010.55158.25 

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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