Individual Calculations October 2008
 Mohamed, Jabbar  Total change: -13.05  Rating chartPersonal card
 Iraqi Chess Olympiad 2008 NAJAF IRQ 2008-08-06
RcRownchangeKK*chgGame
 2127 2200 1.50 4 -0.87 15 -13.05 
  Raed, H .hammed 2146 IRQ0.501-0.0815-1.20 
  Hamid, A.sattar 1958 IRQ1.0010.20153.00 
  Araz, Basim m2248 IRQ0.001-0.4315-6.45 
  Abdul Jabbar, A 2157 IRQ0.001-0.5615-8.40 

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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