Individual Calculations September 2016
 Ibrahimi, F.zohra  Total change: -40.80  Rating chartPersonal card
 3eme prix International mohammed VI Agadir MAR 2016-07-17
RcRownchangeKK*chgGame
 1639 1488 0.00 1 -0.30 40 -12.00 
  Shaker, Musab 1639 BRN0.001-0.3040-12.00 

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)
 
 15eme Festival International d'Echecs de Chefchaouen Chefchaouen MAR 2016-07-26
RcRownchangeKK*chgGame
 1888 1488 0.00 2 -0.16 40 -6.40 
  Zouizine, Rachid c1888  * MAR0.001-0.0840-3.20 
  Messalla, Jamal 1888  * MAR0.001-0.0840-3.20 
 * 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)
 
 championnat national individuel dames casablanca MAR 2016-08-17
RcRownchangeKK*chgGame
 1640 1524 0.50 3 -0.56 40 -22.40 
  Mayar Elidrissi, Firdaous 1784 MAR0.001-0.1840-7.20 
  Ibrahimi, Khadija 1574 MAR0.001-0.4340-17.20 
  Makhlouf, Ahlam wc1561 MAR0.5010.05402.00 

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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