Individual Calculations July 2012
 Issa, Mohammed  Total change: -6.30  Rating chartPersonal card
 1st Grand Europe Open Golden Sands BUL 2012-06-04
 2147 1787 0.00 4 -0.42 15 -6.30 
  Gorbatov, Alexej m2187  * RUS0.001-0.0815-1.20 
  Ibrahim, Ismail 2147 UAE0.001-0.1015-1.50 
  Skomorokhina, Tatyana wf2161 RUS0.001-0.1015-1.50 
  Chen, Yang 2094 CHN0.001-0.1415-2.10 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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