Individual Calculations July 2009
 Ryahovskii, Sergey  Total change: 2.55  Rating chartPersonal card
 Elets 2009 open Elets RUS 2009-05-07
RcRownchangeKK*chgGame
 2022 1936 2.50 6 0.17 15 2.55 
  Semenkov, Alexander 2136 RUS0.001-0.2415-3.60 
  Hromyh, Nikolai 2051 RUS1.0010.66159.90 
  Popov, Yuri 2189 RUS0.5010.31154.65 
  Ryakhovskiy, Alexander 1942 RUS0.5010.01150.15 
  Afanasiev, Juri 1992 RUS0.001-0.4215-6.30 
  Volobuev, Sergey 1823 RUS0.501-0.1515-2.25 

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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