Individual Calculations May 2013
 Esam, Naama Lafta  Total change: 2.40  Rating chartPersonal card
 25th IRAQI Clubs Championship 2013 Baghdad IRQ 2013-02-21
RcRownchangeKK*chgGame
 2130 1999 3.50 10 0.16 15 2.40 
  Harreth, Salim Wali 2150 IRQ0.5010.20153.00 
  Shayan, Sabri.mohmood 2128 IRQ0.001-0.3315-4.95 
  Hayder, Hassan Shyaa 2124 IRQ0.5010.17152.55 
  Abdulwahhab, Ahmed Abdulsattar A f2277 IRQ0.001-0.1715-2.55 
  Mohammed, Arpak Worya c2230 IRQ0.001-0.2115-3.15 
  Waheed, Ayad 2032 IRQ0.5010.05150.75 
  Mohammed, Latif 1960 IRQ1.0010.45156.75 
  Mohammad, Ali Al-Khawaja f2247 IRQ0.5010.31154.65 
  Hamid, Amr 1920 IRQ0.001-0.6115-9.15 
  Didar , Mohammed Zhaher Hassan c2236 IRQ0.5010.30154.50 

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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