Individual Calculations October 2008
 Ahmad, Abdul Khaliq  Total change: 4.35  Rating chartPersonal card
 Iraqi Chess Olympiad 2008 NAJAF IRQ 2008-08-06
RcRownchangeKK*chgGame
 2092 2238 3.00 4 0.29 15 4.35 
  Ibrahim, Delbak Ismael wm1888 IRQ1.0010.11151.65 
  Omar, I, Hussein 2150 IRQ1.0010.38155.70 
  Khaled, Khudayer 2173 IRQ0.501-0.0915-1.35 
  Abdul Jabbar, A 2157 IRQ0.501-0.1115-1.65 

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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