Individual Calculations April 2017
 Ziabari, Morteza  Total change: 22.80  Rating chartPersonal card
 15. Bayer Open February games Leverkusen GER 2017-02-01
RcRownchangeKK*chgGame
 2120 1836 1.50 2 1.14 20 22.80 
  Negele, Michael, Dr. 2236  * GER1.0010.922018.40 
  Hennig, Edgar Paul 2003 GER0.5010.22204.40 
 * 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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