Individual Calculations September 2017
 Elbohy, Ahmed A.salam  Total change: -12.00  Rating chartPersonal card
 Zagazig Chess Open 2017 Zagazig EGY 2017-08-14
RcRownchangeKK*chgGame
 1996 1685 0.00 2 -0.30 40 -12.00 
  Rahman, Yehya m2085  * EGY0.001-0.0840-3.20 
  Elsenbary, Elsayed 1907 EGY0.001-0.2240-8.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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