Individual Calculations October 2008
 Sadeghi, M A  Total change: -3.75  Rating chartPersonal card
 3rd Iranian Chess Festival Zone 1 - 2008 Tehran IRI 2008-07-02
RcRownchangeKK*chgGame
 2129 2199 4.50 8 -0.25 15 -3.75 
  Abbasi, Meisam 2014 IRI1.0010.26153.90 
  Farahzadi, Sina 2149 IRI1.0010.43156.45 
  Vahidi, Mohammad f2183 IRI0.501-0.0215-0.30 
  Doostkam, P 2154 IRI0.501-0.0615-0.90 
  Yousefi, Akbar 2008 IRI0.501-0.2515-3.75 
  Mahdavirad, Mehdi 2215 IRI0.5010.02150.30 
  Peirovoulia, Mahmoud 2173 IRI0.501-0.0415-0.60 
  Shafee, H. 2132 IRI0.001-0.5915-8.85 

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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