Individual Calculations September 2017
 Perez Leiva, Jerzy Jesus  Total change: 8.20  Rating chartPersonal card
 Juegos Escolares Nacionales 2017 Villa Clara CUB 2017-07-12
RcRownchangeKK*chgGame
 2029 2239 7.50 9 0.82 10 8.20 
  Tanda Pretel, Rafael Antonio 1839  * CUB1.0010.08100.80 
  Amaro Alfonso, Raynner f2212 CUB1.0010.46104.60 
  Castro Bello, Carlos Javier 2046 CUB1.0010.25102.50 
  Jerez Duenas, Fabio 1865 CUB1.0010.10101.00 
  Alvarez Calzadilla, Jose Avelino 2153 CUB0.501-0.1210-1.20 
  Diaz Garcia, Mario Daniel 2172 CUB0.501-0.0910-0.90 
  Torres Acosta, Luis Daniel c1999 CUB0.501-0.3010-3.00 
  Lores Pulgares, Felix Ernesto 2135 CUB1.0010.36103.60 
  Hernandez Yero, Fernando 1839  * CUB1.0010.08100.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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