Individual Calculations July 2008
 Godoy Mendia, Alex  Total change: -13.50  Rating chartPersonal card
 XIII Grand Prix, 2da. Parada U-2000 Portoviejo ECU 2008-04-23
RcRownchangeKK*chgGame
 1906 1756 0.00 3 -0.90 15 -13.50 
  Arevalo Cordova, Cinthia 1952 ECU0.001-0.2515-3.75 
  Castillo, Christian 1896 ZAM0.001-0.3115-4.65 
  Pisco Alvarez, Ever 1871 ECU0.001-0.3415-5.10 

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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