Individual Calculations April 2013
 Rafee, Sabri Faidh  Total change: 0.00  Rating chartPersonal card
 Iraqi Chess Olympiad Championship 2013 Baghdad IRQ 2013-02-13
RcRownchangeRpKK*chgGame
 1987 0 0.50 6 0.00 1586   0.00 
  Ali, Ahmed 2055 IRQ0.0010.00 0.00 
  Mohammed, Zozek Salah Mohammed c2249 IRQ0.0010.00 0.00 
  Ayad, Hameed 2029 IRQ0.0010.00 0.00 
  Laith, Ehea 1830 IRQ0.0010.00 0.00 
  Hayder, Sabar Ali 1780 IRQ0.0010.00 0.00 
  Abdul Sada, Radha 1976 IRQ0.5010.00 0.00 

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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