Rapid: Individual Calculations September 2021
 Reda, Diaa  Total change: 18.60  Rating chartPersonal card
 BARQ EL EZZ 10 th INTERNATIONAL OPEN TOURNAMENT Dakahlia EGY 2021-07-30
RcRownchangeKK*chgGame
 1662 1445 2.00 4 0.93 20 18.60 
  Zein, Ahmed 1792 EGY0.001-0.1120-2.20 
  Fawzy, Abdel Kareim 1876 EGY1.0010.932018.60 
  Serag, Moaaz 1597 EGY0.001-0.3020-6.00 
  Elshambky, Ayman 1383 EGY1.0010.41208.20 

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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