Individual Calculations December 2015
 Haddad , Oussama  Total change: 12.20  Rating chartPersonal card
 Algerian Chess Cup 2015 Algiers ALG 2015-10-30
RcRownchangeKK*chgGame
 2269 2013 0.00 1 -0.19 20 -3.80 
  Oussedik, Mahfoud f2269 ALG0.001-0.1920-3.80 

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)
 
 Arab Cities Chess Champioship 2015 Monastir TUN 2015-11-07
RcRownchangeKK*chgGame
 2115 2013 3.00 6 0.80 20 16.00 
  Tamra, Attallah c2036 PLE0.001-0.4720-9.40 
  Asabri, Hussien f2200 LBA0.001-0.2620-5.20 
  Al-Halila, Ayman m2179 YEM1.0010.722014.40 
  Mahmoud, Abdelrahman 2073 JOR0.5010.08201.60 
  Meddeb, Anis f2175 TUN0.5010.21204.20 
  Taieb, Sahbi 2025 TUN1.0010.522010.40 

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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