Individual Calculations February 2017
 Lopez Herrera, Piero  Total change: 20.00  Rating chartPersonal card
 IRT CIUDAD DE ILO 2016 SUB 2200 Ilo PER 2016-12-16
RcRownchangeKK*chgGame
 1864 1727 2.50 6 0.50 40 20.00 
  Paredes Lagos, Anthony Javier 2034 PER0.5010.364014.40 
  Condori, Edwin 2122 PER0.001-0.0840-3.20 
  Conde Escobar, Phol 1872 PER0.001-0.3140-12.40 
  Loayza Pachao, Carlos Franco 1380 PER1.0010.11404.40 
  Morales Cespedes, James 1821 PER1.0010.634025.20 
  Quenaya, Juan 1953 CHI0.001-0.2140-8.40 

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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