Individual Calculations December 2017
 Shiri, Mohsen  Total change: -18.40  Rating chartPersonal card
 Tehran Men Dastejate Azad League 1396 Round 4-5 Tehran IRI 2017-11-23
RcRownchangeKK*chgGame
 2111 2080 0.00 2 -0.92 20 -18.40 
  Mahdavirad, Mehdi f2207 IRI0.001-0.3320-6.60 
  Beyranvand, Saeed 2015 IRI0.001-0.5920-11.80 

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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