Individual Calculations April 2008
 Martin Y Herrera, Jaime  Total change: 7.75  Rating chartPersonal card
 Abierto Arnoldo Ellerman Buenos Aires ARG 2007-12-05
RcRownchangeKK*chgGame
 2152 1982 2.00 6 0.31 25 7.75 
  Spata, German 2223 ARG0.5010.30257.50 
  Lo Presti, Roberto 2155 ARG1.0010.732518.25 
  Cativelli, Gerardo 2268 ARG0.001-0.1625-4.00 
  Moccero, Eduardo 2120 ARG0.5010.19254.75 
  Alvarez, Roberto 2108 ARG0.001-0.3325-8.25 
  Amed, Stephanie wf2040 ARG0.001-0.4225-10.50 

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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