Individual Calculations January 2010
 Rosell Rodriguez, Oriol  Total change: -8.50  Rating chartPersonal card
 Vi Obert D'escacs Del Maresme Mataro Barcelona ESP 2009-10-03
RcRownchangeKK*chgGame
 1790 1742 1.00 3 -0.34 25 -8.50 
  Fernandez Gonzalez, Julio Honor 2011 ESP0.001-0.1725-4.25 
  Sanchez Nieto, Joan 1717 ESP0.501-0.0325-0.75 
  Castillo Martinez, Eloi 1641 ESP0.501-0.1425-3.50 

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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