Individual Calculations August 2017
 Refaat, Ibrahim  Total change: 40.80  Rating chartPersonal card
 Egyptian Individuals 2017 (Final) Cairo EGY 2017-07-01
RcRownchangeKK*chgGame
 1899 1964 6.50 8 2.04 20 40.80 
  Sarwat, Walaa m2321 EGY0.5010.39207.80 
  Saber, Ibrahim 2210 EGY0.001-0.1920-3.80 
  George Dawod, Hany 1675 EGY1.0010.16203.20 
  Fadel, Mina 1613 EGY1.0010.11202.20 
  Abdel Meged Hosny, Mohamed 1564  * EGY1.0010.08201.60 
  Sobhy, Mohamed 1574 EGY1.0010.09201.80 
  Tork, Mohamed 2084 EGY1.0010.662013.20 
  Ismail, Reda 2149 EGY1.0010.742014.80 
 * 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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