Individual Calculations May 2014
 Herrera Perez, Martin Steven  Total change: 1.20  Rating chartPersonal card
 Semifinal Nacional de Mayores Absoluto 2014 Medellin COL 2014-04-15
RcRownchangeKK*chgGame
 2048 2045 4.50 9 0.08 15 1.20 
  Martinez, Jorge Alexander 2210 COL0.5010.22153.30 
  Vargas, Arteaga Alexis 2264 COL0.001-0.2215-3.30 
  Sosa Florez, Juan Sebastian 1767 COL0.001-0.8315-12.45 
  Arismendi Polanco, Efrain Stev 1848 COL1.0010.25153.75 
  Palacio, Pablo Persi 1915 COL1.0010.32154.80 
  Rojas Barrero, Andres H f2187 COL0.5010.19152.85 
  Moran, Daniel Stiven 2140 COL0.5010.13151.95 
  Ramirez, Benjamin Dario 2235 COL0.001-0.2515-3.75 
  Martinez Arroyo, Luis Alberto 1866 COL1.0010.27154.05 

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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