Individual Calculations April 2008
 Lopez, Yurima  Total change: -52.50  Rating chartPersonal card
 II COPA 13 DE MARZO CIUDAD DE LA HABANA CUB 2007-04-22
RcRownchangeKK*chgGame
 2167 2109 4.50 19 -3.50 15 -52.50 
  Figueredo, Leonel 2170 CUB0.001-0.4215-6.30 
  Ayra, Ariel 2196 CUB0.001-0.3815-5.70 
  Ortiz Fagales, Joel 2153 CUB0.001-0.4415-6.60 
  Lopez, Pedro 2127 CUB0.5010.03150.45 
  Martinez, Orlando 2092 CUB0.501-0.0215-0.30 
  Roman Portales, Borrero 2197 CUB0.001-0.3815-5.70 
  Alvarez, Chan J. f2203 CUB0.001-0.3715-5.55 
  Larrua, Gonzalez Fernando 2245 CUB0.001-0.3215-4.80 
  Diaz Perez, Ariel 2117 CUB1.0010.51157.65 
  Miramonte, Roberto C. 2166 CUB0.001-0.4215-6.30 
  Figueredo, Leonel 2170 CUB0.001-0.4215-6.30 
  Ayra, Ariel 2196 CUB0.001-0.3815-5.70 
  Ortiz Fagales, Joel 2153 CUB0.001-0.4415-6.60 
  Lopez, Pedro 2127 CUB0.5010.03150.45 
  Martinez, Orlando 2092 CUB0.501-0.0215-0.30 
  Roman Portales, Borrero 2197 CUB0.5010.12151.80 
  Alvarez, Chan J. f2203 CUB0.001-0.3715-5.55 
  Larrua, Gonzalez Fernando 2245 CUB1.0010.681510.20 
  Diaz Perez, Ariel 2117 CUB0.001-0.4915-7.35 

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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