Individual Calculations September 2011
 Papikyan, David  Total change: -7.50  Rating chartPersonal card
 "Jermuk - 2011" 6th Youth Int. Open U-18 Jermuk ARM 2011-06-26
RcRownchangeKK*chgGame
 1880 1980 4.50 8 -0.50 15 -7.50 
  Petrosyan, Arman 1732 ARM0.501-0.3115-4.65 
  Tamazyan, Haik 2190 ARM0.001-0.2315-3.45 
  Gharibyan, Aram G. 1784 ARM0.501-0.2515-3.75 
  Parvanyan, Alfred 1836 ARM1.0010.31154.65 
  Petrosyan, Tigran Gag. 1682 ARM1.0010.15152.25 
  Aghajanyan, Arsen 1946 ARM0.501-0.0515-0.75 
  Sayadyan, Edvard 1852 ARM1.0010.33154.95 
  Kanjaryan, Vladimir 2016 ARM0.001-0.4515-6.75 

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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