Individual Calculations May 2015
 Jaafer, Hayder A. Jaafer  Total change: -38.80  Rating chartPersonal card
 27th IRAQI Clubs Championship 2015 Baghdad IRQ 2015-03-12
RcRownchangeKK*chgGame
 1754 1749 0.50 3 -0.97 40 -38.80 
  Ameer, Dhafer Abdulameer c1427 IRQ0.501-0.3740-14.80 
  Moazaz, Dhahir Habeeb c2055 IRQ0.001-0.1440-5.60 
  Jalaluldeen, Kareen Kamal J. wf1779 IRQ0.001-0.4640-18.40 

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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