Individual Calculations April 2009
 Lacruz Martin, Miguel  Total change: -0.25  Rating chartPersonal card
 Cto. de Sevilla por Equipos Preferente 2008/09 Sevilla ESP 2008-10-12
RcRownchangeKK*chgGame
 1926 1930 0.50 1 -0.01 25 -0.25 
  Barrera Caro, Miguel Angel 1926 ESP0.501-0.0125-0.25 

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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