Individual Calculations November 2021
 Abel Naby, Ahmed  Total change: 5.40  Rating chartPersonal card
 1st Egypt Tournament ( Seniors ) Giza EGY 2021-10-21
RcRownchangeKK*chgGame
 1816 1860 2.50 4 0.27 20 5.40 
  Moustafa Ahmed, Ahmed 1653 EGY1.0010.23204.60 
  Abdo, Mohamed Amin 2009 EGY0.001-0.3020-6.00 
  Ramadan, Hosny 1771 EGY0.501-0.1220-2.40 
  Elabdiny, Hamdy 1830 EGY1.0010.46209.20 

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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