Individual Calculations August 2013
 Cabrera Huaman, Rodolfo  Total change: -23.25  Rating chartPersonal card
 Gran Prix IRT - Peru 2013 Sur Arequipa PER 2013-06-28
RcRownchangeKK*chgGame
 2024 2042 1.00 5 -1.55 15 -23.25 
  Gutierrez, Carmelo f2269 PER0.001-0.2115-3.15 
  Rosales, Pierina wf1810 PER1.0010.21153.15 
  Salazar, Carlos 2162 PER0.001-0.3415-5.10 
  Aliaga Fernandez, Ingrid Y wf2156 PER0.001-0.3415-5.10 
  Ramos, Arnold 1722 PER0.001-0.8715-13.05 

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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