Rapid: Individual Calculations November 2022
 Mohamed Azzab, Mareim  Total change: -12.80  Rating chartPersonal card
 1st Black Ball Chess Tournament U20 Cairo EGY 2022-10-29
RcRownchangeKK*chgGame
 1725 1361 0.00 3 -0.32 40 -12.80 
  George Samir, David f1696 EGY0.001-0.1240-4.80 
  Medhat, Magdy 1823 EGY0.001-0.0540-2.00 
  Elsayed Abdelkhalek, Ahmed 1655 EGY0.001-0.1540-6.00 

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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