Individual Calculations April 2009
 Perez Celis, Alba  Total change: -6.90  Rating chartPersonal card
 Torneo de Navidad Cajacanarias 2008 S/C Tenerife ESP 2008-12-29
RcRownchangeKK*chgGame
 1926 1821 1.00 4 -0.46 15 -6.90 
  Schneider Sanchez, Carlos D. 2105 ESP0.001-0.1615-2.40 
  Machin Arbelo, Pedro Alexis 2134 ESP0.001-0.1415-2.10 
  Lopez Reboso, Hector 1995 ESP0.001-0.2715-4.05 
  Garcia Iglesias, Jose Carlos 1471 ESP1.0010.11151.65 

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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