Individual Calculations January 2017
 Santander Valle, David A.  Total change: 73.20  Rating chartPersonal card
 Confraternidad Latinoamericana 2016 La Habana CUB 2016-11-14
RcRownchangeKK*chgGame
 2019 1827 4.00 8 1.83 40 73.20 
  Ramos Rodriguez, Pedro Ivan 2070 CUB1.0010.804032.00 
  Gomez Pereda, Jaime 2134 CUB0.001-0.1440-5.60 
  Zayas Sosa, Alfredo 2097 CUB0.001-0.1740-6.80 
  Labrada Bacallao, Grisel 1996 CUB1.0010.724028.80 
  Gonzalez Aparicio, Emanuel 2214 CUB0.001-0.0940-3.60 
  Martinez Ruz, Carlos Julio 2010 CUB0.001-0.2640-10.40 
  Perez Marin, Olivia wc1686 CUB1.0010.314012.40 
  Martinez Torres, Francesc 1947 ESP1.0010.664026.40 

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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