Individual Calculations August 2012
 Jabbar, Raheem B Alamir  Total change: -10.05  Rating chartPersonal card
 Iraqi Chess Olympiad Championship 2012 Baghdad IRQ 2012-07-17
RcRownchangeKK*chgGame
 2009 1886 0.00 2 -0.67 15 -10.05 
  Shlaga, Jaefer 1966 IRQ0.001-0.3915-5.85 
  Aziz, Jawad 2051 IRQ0.001-0.2815-4.20 

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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