Individual Calculations April 2017
 Abdel Razik, Ahmed  Total change: 17.00  Rating chartPersonal card
 Egyptian League 2016-2017 2nd Group Many Cites EGY 2017-01-27
RcRownchangeKK*chgGame
 2130 2059 2.50 4 0.85 20 17.00 
  Sarwat, Walaa m2337 EGY0.001-0.1720-3.40 
  Roshdy, Mahmoud 2113 EGY1.0010.582011.60 
  Essam Eldin, Moamen 2115 EGY1.0010.582011.60 
  Saad, Ahmed Mohamed 1955 EGY0.501-0.1420-2.80 

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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