Individual Calculations May 2013
 Al-Rajab, Maha Layth Ismael  Total change: 1.95  Rating chartPersonal card
 25th IRAQI Clubs Championship 2013 Baghdad IRQ 2013-02-21
RcRownchangeKK*chgGame
 1687 1829 1.50 2 0.13 15 1.95 
  Marwa, Mohammed Khalaf 1598 IRQ1.0010.21153.15 
  Al-Lami, Rana Saad Abdulhussein 1775 IRQ0.501-0.0815-1.20 

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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