Individual Calculations May 2016
 Biriya, Yadollah  Total change: -55.60  Rating chartPersonal card
 3rd Gilan Friendship Cup Rasht IRI 2016-04-22
RcRownchangeKK*chgGame
 1320 1501 3.00 8 -2.78 20 -55.60 
  Khoshkalam, Seyed Mehrab 1901  * IRI0.001-0.0820-1.60 
  Biriya, Mohammadamin 1231 IRI0.501-0.3320-6.60 
  Hamzeh Javaran, Kasra 1340 IRI0.501-0.2120-4.20 
  Hamzeh Javaran, Koosar 1283 IRI0.001-0.7820-15.60 
  Izak Mohammadi, Arshia 1183 IRI0.001-0.8720-17.40 
  Rahmat Pour, Armin 1238 IRI1.0010.18203.60 
  Rafigh, Shervin 1286 IRI0.001-0.7720-15.40 
  Zahmatkesh, Romina 1101  * IRI1.0010.08201.60 
 * 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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