Individual Calculations November 2009
 Mortazian, Saeed  Total change: -7.00  Rating chartPersonal card
 Iranian Boys Azad University Chess Championship 2009 Rasht IRI 2009-07-23
RcRownchangeKK*chgGame
 2053 1997 1.00 3 -0.28 25 -7.00 
  Papi, Amin 1934 IRI1.0010.412510.25 
  Abdolmaleki, Shahram 2161 IRI0.001-0.2825-7.00 
  Shariatpanahi, H. 2065 IRI0.001-0.4125-10.25 

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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