Individual Calculations October 2019
 Mahdavi, Hassan  Total change: -23.60  Rating chartPersonal card
 16th Avicenna International Open Chess Tournament 2019 - Masters (A) Hamedan IRI 2019-09-12
RcRownchangeKK*chgGame
 1973 2150 1.00 3 -1.18 20 -23.60 
  Behzad Nazif, Parva 1884 IRI0.501-0.3220-6.40 
  Razavi, Seyyed Amirreza 2027 IRI0.001-0.6720-13.40 
  Azali, Tannaz 2008 IRI0.501-0.1920-3.80 

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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