Individual Calculations May 2012
 Mohamed, Tamer  Total change: -12.00  Rating chartPersonal card
 Ekhlas Elnozha Club Chess Open Alexandria EGY 2012-03-13
 1901 2050 1.00 2 -0.40 30 -12.00 
  Farghaly, Ahmed 1868 EGY1.0010.26307.80 
  Helmy, Amro 1934 EGY0.001-0.6630-19.80 

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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