Individual Calculations July 2009
 Castro Chabuza, Diana  Total change: 25.50  Rating chartPersonal card
 XIV Grand Prix, 3era. Parada Guayaquil ECU 2009-04-10
RcRownchangeKK*chgGame
 2066 1802 1.00 4 0.26 25 6.50 
  Angamarca Angamarca, Carlos 2099 ECU0.001-0.1525-3.75 
  Rosero, Amilcar 2035 ECU0.5010.29257.25 
  Sanchez Caicedo, Alfonso 1978 ECU0.5010.23255.75 
  Guerrero Fuentes, Carlos 2152 ECU0.001-0.1125-2.75 

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)
 
 XIV Grand Prix, 5ta. Parada Guayaquil ECU 2009-06-05
RcRownchangeKK*chgGame
 1887 1802 2.00 3 0.76 25 19.00 
  Vasquez Ramirez, Rocio wm2152 ECU0.001-0.1125-2.75 
  Rezabala Leon, Jordan 1736 ECU1.0010.412510.25 
  Salazar Loor, Christopher 1773 ECU1.0010.462511.50 

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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