Individual Calculations December 2018
 Alfaro, William  Total change: -22.40  Rating chartPersonal card
 CAMPEONATO NACIONAL POR EQUIPOS (FINAL), 2018 Managua NCA 2018-10-27
RcRownchangeKK*chgGame
 2086 2165 2.50 6 -1.12 20 -22.40 
  Ortiz, Marcos 2155 NCA0.501-0.0120-0.20 
  Jimenez, Lester 1978 NCA0.501-0.2420-4.80 
  Lacayo, Rene f2228 NCA0.001-0.4120-8.20 
  Granados Ortiz, Fidel 1994 NCA1.0010.27205.40 
  Bravo, William f2168 NCA0.5010.00200.00 
  Izaba, Rodolfo f1990 NCA0.001-0.7320-14.60 

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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