Individual Calculations May 2019
 Jaafer, Hayder A. Jaafer  Total change: 3.20  Rating chartPersonal card
 31th IRAQI Clubs Championship 2018 Baghdad IRQ 2019-03-20
RcRownchangeKK*chgGame
 1988 1788 2.50 9 0.16 20 3.20 
  Mohammed, Tareq Abbood Al-Latoof 1881 IRQ0.001-0.3720-7.40 
  Taha, Jalal.abdula 1951 IRQ0.001-0.2820-5.60 
  Sabry Abd , Mohammed 1998 IRQ0.5010.27205.40 
  Kadhim Mahmood, Najeeb 1981 IRQ0.001-0.2520-5.00 
  Mohammed, Kareem Dgheem 1882 IRQ0.5010.13202.60 
  Gholami Orimi, Mahdi 2188  * IRI0.001-0.0820-1.60 
  Al-Khattab, Ghassan M. Ali Ajmed f1996 IRQ0.5010.27205.40 
  Sajjad, Abbas Khudhair 1827 IRQ1.0010.552011.00 
  Ahmed, Ali Layth Ahmed f2188  * IRQ0.001-0.0820-1.60 
 * 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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