Individual Calculations January 2015
 Tavakoli, Toraj  Total change: -23.20  Rating chartPersonal card
 5th Ferdowsi Open Chess Tournament (2014) Mashhad IRI 2014-11-23
RcRownchangeKK*chgGame
 1724 1544 0.00 2 -0.58 40 -23.20 
  Shegarfian, Saeed 1875 IRI0.001-0.1240-4.80 
  Ojaghi, Mehrad 1573 IRI0.001-0.4640-18.40 

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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