Individual Calculations February 2017
 Safarian, Javad  Total change: -12.20  Rating chartPersonal card
 East Azarbaijan team chess tournament 1395 Round 10-11 Tabriz IRI 2017-01-27
RcRownchangeKK*chgGame
 2135 1966 0.00 2 -0.61 20 -12.20 
  Rezvan, Maghsoud 1981 IRI0.001-0.4820-9.60 
  Hosseinzadeh, Nima 2288 IRI0.001-0.1320-2.60 

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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