Individual Calculations January 2013
 Collier, David O  Total change: -8.25  Rating chartPersonal card
 XI Gran Torneo Internacional Aficionados S-2300 Benidorm ESP 2012-11-30
RcRownchangeKK*chgGame
 2092 2098 2.50 6 -0.55 15 -8.25 
  Sabater Sanchez, Asensio 2141 ESP1.0010.56158.40 
  Serna Lara, Sergio 2230 ESP0.001-0.3215-4.80 
  Sevillano Garcia, Joaquin 1960 ESP0.501-0.1915-2.85 
  Picazo Lopez, Juan Antonio 2191 ESP0.001-0.3715-5.55 
  Johansen, Stian 2018 NOR0.501-0.1115-1.65 
  Vinal Gutierrez, Pedro 2011 ESP0.501-0.1215-1.80 

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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