Individual Calculations July 2013
 Abdel Razik, Ahmed  Total change: -14.55  Rating chartPersonal card
 Egyptian League 2012/2013 Many Cities EGY 2012-11-05
RcRownchangeKK*chgGame
 2144 2092 2.50 8 -0.97 15 -14.55 
  Darwish, Mahmoud Hamdy 2145 EGY0.5010.07151.05 
  Nashaat, Esam 2064 EGY0.501-0.0415-0.60 
  Fatehi, Ahmed 2121 EGY0.5010.04150.60 
  Hassan, Sayed Barakat m2361 EGY0.001-0.1715-2.55 
  Soliman, Ahmed Saiid 1905 EGY0.501-0.2415-3.60 
  Mosallam, Nasser 2067 EGY0.501-0.0315-0.45 
  Kamel, Mahmoud 2220 EGY0.001-0.3315-4.95 
  Michael, Mina 2265 EGY0.001-0.2715-4.05 

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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