Individual Calculations July 2009
 Diaz, Wong Renzo  Total change: -5.50  Rating chartPersonal card
 Legislatura Copa Norberto Laporta Buenos Aires ARG 2009-04-01
RcRownchangeKK*chgGame
 2146 1942 0.50 3 -0.22 25 -5.50 
  Anelli, Antonio f2193 ARG0.5010.31257.75 
  Godoy, Carlos 2128 ARG0.001-0.2625-6.50 
  Ruperez, Miguel 2118 ARG0.001-0.2725-6.75 

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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