Individual Calculations October 2016
 Ibrahim, Mahmoud  Total change: -15.40  Rating chartPersonal card
 21th Alexandria Open 2016 Alexandria EGY 2016-08-30
RcRownchangeKK*chgGame
 1959 1995 3.00 7 -0.77 20 -15.40 
  Naby, Saiid A. 2264 EGY0.001-0.1720-3.40 
  Abo Bkr, Mohamed 1800 EGY0.001-0.7520-15.00 
  Mary, Alfraid 1619 EGY1.0010.09201.80 
  Elshal, Ibrahim 1849 EGY1.0010.30206.00 
  Sayed, Hany 2187 EGY0.001-0.2520-5.00 
  Shehata, Ashraf 1852 EGY1.0010.31206.20 
  Ashraf, Shereif f2144 EGY0.001-0.3020-6.00 

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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