Individual Calculations October 2008
 Abdul Jabbar, A  Total change: 15.45  Rating chartPersonal card
 Iraqi Chess Olympiad 2008 NAJAF IRQ 2008-08-06
RcRownchangeKK*chgGame
 2195 2157 2.50 3 1.15 15 17.25 
  Raed, H .hammed 2146 IRQ1.0010.48157.20 
  Mohamed, Jabbar 2200 IRQ1.0010.56158.40 
  Ahmad, Abdul Khaliq f2238 IRQ0.5010.11151.65 

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)
 
 IRAQI SEMI-FINAL Tournament 2008 NAJAF IRQ 2008-08-23
RcRownchangeKK*chgGame
 2134 2157 2.00 4 -0.12 15 -1.80 
  Firas, Qassim 2026 IRQ1.0010.32154.80 
  Taleb, , Salem 2140 IRQ0.501-0.0215-0.30 
  Namer, , Mohammed 2198 IRQ0.5010.06150.90 
  Faris, , A-Ameer 2171 IRQ0.001-0.4815-7.20 

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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