Individual Calculations January 2017
 Sahebi, Mostafa  Total change: 31.20  Rating chartPersonal card
 2nd Atrak Cup Chess Tournament Azar 1395 Bojnourd IRI 2016-12-07
RcRownchangeKK*chgGame
 1773 1587 2.50 6 0.78 40 31.20 
  Derakhshani, Mehrdad 1980 IRI0.001-0.0840-3.20 
  Abedi, Abolfazl 1987  * IRI0.001-0.0840-3.20 
  Safarnezhad, Armin 1187  * IRI1.0010.08403.20 
  Rezapoor, Abbas 1867 IRI1.0010.844033.60 
  Kanani, Anoosh 1934 IRI0.5010.394015.60 
  Saedi, Siamak 1684 IRI0.001-0.3740-14.80 
 * 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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