Individual Calculations October 2012
 Mohamed, Tamer  Total change: -20.70  Rating chartPersonal card
 18th Alexandria Open Alexandria EGY 2012-08-27
 2121 2038 0.50 3 -0.69 30 -20.70 
  Ezat, Abdallah 2250 EGY0.5010.27308.10 
  Naby, Saiid A. 2287 EGY0.001-0.1930-5.70 
  Fawzy, Adham 1826 EGY0.001-0.7730-23.10 

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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