Individual Calculations January 2015
 Zayan, Mohamed  Total change: -9.20  Rating chartPersonal card
 2014 African Youth Championship U16 Open Monastir TUN 2014-12-21
RcRownchangeKK*chgGame
 1938 2241 4.00 5 -0.23 40 -9.20 
  Nassr, Ahmed 1961 ALG1.0010.16406.40 
  Ouaret, Abdelouhab f2073 ALG1.0010.284011.20 
  Hbacha, Achraf 1973 TUN1.0010.17406.80 
  Dali, Mohamed Souhaib c1841  * TUN0.001-0.9240-36.80 
  Bensadi, Lotfi 1841  * ALG1.0010.08403.20 
 * 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)
 

 

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