Individual Calculations April 2018
 Amjad, Alaa Abbas  Total change: -0.20  Rating chartPersonal card
 30th IRAQI Clubs Championship 2018 Baghdad IRQ 2018-03-08
RcRownchangeKK*chgGame
 2017 1799 3.00 12 -0.01 20 -0.20 
  Obada, Ahmad Azeezjawad m2199  * IRQ0.001-0.0820-1.60 
  Zain, Alabein Farhan 1595 IRQ0.501-0.2620-5.20 
  Hayder, Hassan Shyaa 2037 IRQ0.001-0.2020-4.00 
  Hayder, Kathan Mahmood 1697 IRQ1.0010.36207.20 
  Esam, Naama Lafta 2011 IRQ1.0010.772015.40 
  Mazin, Adham Tawfeeq 1970 IRQ0.001-0.2720-5.40 
  Ismael, Namir Mohammed Ismael c2088 IRQ0.001-0.1620-3.20 
  Raed, H. Hammed 2070 IRQ0.001-0.1720-3.40 
  Chiya, Mder Hamad 2068 IRQ0.5010.33206.60 
  Harreth, Salim Wali 2070 IRQ0.001-0.1720-3.40 
  Sadek, Sameh f2199  * EGY0.001-0.0820-1.60 
  Mohammad, Ali Al-Khawaja f2199  * 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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