Individual Calculations January 2015
 Cruz, Ruben Alexandre Santos  Total change: -15.20  Rating chartPersonal card
 GXA Jovens 2014 Lisboa POR 2014-12-17
RcRownchangeKK*chgGame
 1343 1300 0.50 2 -0.38 40 -15.20 
  Silva, Joao Ricardo 1313 POR0.001-0.4840-19.20 
  Rocha, Joao Latino Tavares A 1373 POR0.5010.10404.00 

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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