Individual Calculations October 2008
 Valdes, Leonardo  Total change: -7.30  Rating chartPersonal card
 Campeonato Subzonal Masculino 2008 Guatemala, Guatemala GUA 2008-06-07
RcRownchangeKK*chgGame
 2234 2409 5.00 8 -0.69 10 -6.90 
  Aguilar, Gustavo 2059 ESA0.501-0.3910-3.90 
  Fonseca Cabrera, Ernesto 2119 NCA1.0010.16101.60 
  Juarez Flores, Gustavo E. f2182 GUA0.501-0.2910-2.90 
  Urbina, Ricardo m2265 HON1.0010.31103.10 
  Leandro, Jhonny 2124 CRC1.0010.16101.60 
  Gonzalez, Bernal m2431 CRC0.5010.03100.30 
  Arias, Lemmys A. f2297 ESA0.501-0.1510-1.50 
  Leyva, Hector m2398 ESA0.001-0.5210-5.20 

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)
 
 IV Torneo Internacional de Ajedrez Alajuela 2008 Alajuela CRC 2008-07-09
RcRownchangeKK*chgGame
 2238 2408 5.00 8 -0.63 10 -6.30 
  Mencos, Claudia 2058 GUA1.0010.11101.10 
  Tapia, Gustavo 2123 CRC1.0010.16101.60 
  Mikhalevski, Victor g2592 ISR0.001-0.2610-2.60 
  Simplina, Pancho 2143 NCA1.0010.18101.80 
  Alfaro Rojas, Alfonso 2181 CRC0.501-0.2910-2.90 
  Salazar, Pablo 2207 CRC0.501-0.2610-2.60 
  Moncayo Romero, Evelyn wm2173 ECU1.0010.21102.10 
  Sagalchik, Gennadij g2424 USA0.001-0.4810-4.80 

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)
 
 Campeonato Nacional de Costa Rica 2008 Fase 2 San José CRC 2008-08-23
RcRownchangeKK*chgGame
 2180 2408 7.50 9 0.59 10 5.90 
  Vargas Serano, Pablo 2058 CRC1.0010.11101.10 
  Machado Ramirez, Allan 2068 CRC1.0010.12101.20 
  Gonzalez, Bernal m2423 CRC0.5010.02100.20 
  Vives, David 2061 CRC1.0010.11101.10 
  Cabrera, Marco Antonio 2065 CRC1.0010.12101.20 
  Murillo, Alexis m2319 CRC0.501-0.1210-1.20 
  Ruiz Blais, Sebastian 2195 CRC1.0010.23102.30 
  Alfaro Rojas, Alfonso 2181 CRC1.0010.21102.10 
  Hernandez Basante, Francisco m2254 CRC0.501-0.2110-2.10 

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)
 

 

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