Individual Calculations January 2015
 Silva, Joao Ricardo  Total change: 8.80  Rating chartPersonal card
 GXA Jovens 2014 Lisboa POR 2014-12-17
RcRownchangeKK*chgGame
 1398 1313 1.00 2 0.22 40 8.80 
  Cruz, Ruben Alexandre Santos 1300 POR1.0010.484019.20 
  Cordeiro, Joao Carlos Santos F 1495 POR0.001-0.2640-10.40 

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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