Individual Calculations April 2013
 Koohestani, Sh.  Total change: -20.40  Rating chartPersonal card
 Ferdowsi International Open CHess Tournament 2013 Mashhad IRI 2013-02-19
RcRownchangeKK*chgGame
 2098 2358 3.50 6 -1.36 15 -20.40 
  Yoosefi, Saeed 1958  * IRI1.0010.08151.20 
  Kardo Ako, Mohammad 2114 IRQ1.0010.20153.00 
  Pilvaieh, Ali 2151 IRI0.501-0.2715-4.05 
  Babayan, Armine 2062 ARM0.501-0.3515-5.25 
  Arabi, Saeid 2179 IRI0.501-0.2315-3.45 
  Moosavi, Ali 2124 IRI0.001-0.7915-11.85 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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