Individual Calculations January 2010
 Akchelov, Sergey  Total change: -10.35  Rating chartPersonal card
 Novokuznetsk Chmp. open 2009 Novokuznetsk RUS 2009-11-21
RcRownchangeKK*chgGame
 2020 2085 4.00 8 -0.69 15 -10.35 
  Parygin, Dmitriy 1923 RUS1.0010.29154.35 
  Koshkin, Sergey 1958 RUS0.001-0.6715-10.05 
  Akishina, Tatyana 1932 RUS1.0010.30154.50 
  Polyanskiy, Vladimir 2240 RUS0.001-0.2915-4.35 
  Alimov, Alexander 2015 RUS0.501-0.1015-1.50 
  Morozov, Vasiliy 2050 RUS1.0010.45156.75 
  Sozin, Stepan 1949 RUS0.001-0.6815-10.20 
  Sergeev, Sergei 2095 RUS0.5010.01150.15 

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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