Individual Calculations May 2012
 Bahamondes Santos, Jose Luis  Total change: -4.50  Rating chartPersonal card
 SEMANA VALDIVIANA 2012 Valdivia CHI 2012-02-17
RcRownchangeKK*chgGame
 2028 2055 2.00 4 -0.15 30 -4.50 
  Mardones Anguita, Tito 2070 CHI1.0010.523015.60 
  Lazzeri Menendez, Santos Gerardo 2086 MEX0.001-0.4630-13.80 
  Alarcon Careaga, Gustavo 2009 CHI0.001-0.5630-16.80 
  Gonzalez Delgado, Marco 1945 CHI1.0010.353010.50 

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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