Individual Calculations October 2008
 Abdullah, Mohammed  Total change: -41.75  Rating chartPersonal card
 Iraqi Chess Olympiad 2008 NAJAF IRQ 2008-08-06
RcRownchangeKK*chgGame
 2146 2085 0.00 4 -1.67 25 -41.75 
  Ahmed, Abdul Sattar Abdulwhhab 2212 IRQ0.001-0.3325-8.25 
  Kadhim, Najeeb 2043 IRQ0.001-0.5625-14.00 
  Hayder , Aziz 2169 IRQ0.001-0.3825-9.50 
  Muhsen, Abdulla.mohmmed 2158 IRQ0.001-0.4025-10.00 

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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