Individual Calculations May 2015
 Sabry, Mohammed  Total change: -25.60  Rating chartPersonal card
 27th IRAQI Clubs Championship 2015 Baghdad IRQ 2015-03-12
RcRownchangeKK*chgGame
 2120 2079 1.50 5 -0.75 40 -30.00 
  Hayder, Farhan Al- Hasnawi 1955 IRQ1.0010.334013.20 
  Raed, H. Hammed 2078 IRQ0.001-0.5040-20.00 
  Nagem, Abd M.issa c2160 IRQ0.5010.11404.40 
  Al-Khattab, Ghassan M. Ali Ajm f2078 IRQ0.001-0.5040-20.00 
  Salih, Akar Ali Salih f2329 IRQ0.001-0.1940-7.60 

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)
 
 First Baghdad international chess championship B (Open)(Late Al-Isawi, Mohammed Jaber Kadhim) Baghdad IRQ 2015-04-02
RcRownchangeKK*chgGame
 2034 2079 4.50 8 0.11 40 4.40 
  Nabaa Sami, Abbas 1679  * IRQ1.0010.08403.20 
  Esam, Naama Lafta 1996 IRQ1.0010.394015.60 
  Gholami, Aryan f2313 IRI0.001-0.2140-8.40 
  Ramzi, Khazel A Al-Dahwi 1961 IRQ1.0010.344013.60 
  Chiya, Mder Hamad 2047 IRQ0.501-0.0440-1.60 
  Taleb, Salem Hatam 2109 IRQ0.001-0.4640-18.40 
  Mohammed, Latif 2066 IRQ0.001-0.5240-20.80 
  Basim, Hinde 2099 IRQ1.0010.534021.20 
 * 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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