Individual Calculations April 2009
 Solis, Efren  Total change: -4.35  Rating chartPersonal card
 Campeonato Nacional Por Equipos 2008 Managuua NCA 2009-01-03
RcRownchangeKK*chgGame
 2167 2128 2.00 4 0.21 15 3.15 
  Picado, Jorge 2213 NCA0.5010.12151.80 
  Pilarte, Rene f2187 NCA0.001-0.4215-6.30 
  Fonseca Cabrera, Ernesto 2109 NCA0.501-0.0315-0.45 
  Bravo, William f2158 NCA1.0010.54158.10 

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)
 
 Costa Rican National Championship Phase 1.1 San Jose CRC 2009-01-31
RcRownchangeKK*chgGame
 2021 2128 4.00 7 -0.50 15 -7.50 
  Fernandez, Mario 1973 CRC0.001-0.7115-10.65 
  Duran Vega, Sergio 1983 CRC0.501-0.1915-2.85 
  Gomez Huertas, Stanley 1991 CRC0.501-0.1815-2.70 
  Castro Madrigal, Randall 2135 CRC1.0010.51157.65 
  Cabrera, Marco Antonio 2109 CRC1.0010.47157.05 
  Jimenez, Alvarado Alonso 1960 CRC0.001-0.7215-10.80 
  Machado Ramirez, Allan 1996 CRC1.0010.32154.80 

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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