Individual Calculations May 2010
 Abou El Zein, Eid Mahmoud  Total change: -3.60  Rating chartPersonal card
 Egyptian League 2009/2010 Section B Many Cities EGY 2010-01-01
RcRownchangeKK*chgGame
 2089 2342 3.00 4 -0.24 15 -3.60 
  Abdel Razik, Ahmed 2119 EGY1.0010.22153.30 
  Awadhom, Elsayed 2024 EGY1.0010.13151.95 
  Gator, Mosab 2122 LBA1.0010.22153.30 
  Sheded, Ahmed 2090 EGY0.001-0.8115-12.15 

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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