Individual Calculations July 2009
 Salama, Omar  Total change: -0.45  Rating chartPersonal card
 Icelandic Team Champ div 1 Akureyri ISL 2009-03-20
RcRownchangeKK*chgGame
 2390 2272 1.00 3 -0.03 15 -0.45 
  Karlsson, Agust S f2291 ISL0.001-0.4715-7.05 
  Thorhallsson, Throstur g2442 ISL0.5010.22153.30 
  Ris, Robert m2436 NED0.5010.22153.30 

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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