Individual Calculations April 2008
 Leon, Jorge  Total change: 17.50  Rating chartPersonal card
 XIII Grand Prix, 1era. Parada U-2000 Ambato ECU 2008-01-11
RcRownchangeKK*chgGame
 1833 1792 2.50 4 0.70 25 17.50 
  Sanchez, David 1734 ECU1.0010.422510.50 
  Ushina, Luis 1993 ECU0.5010.26256.50 
  Vega Cordovilla, Maria Jose 1801 ECU0.001-0.4925-12.25 
  Nunez, Eyleen 1802 ECU1.0010.512512.75 

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)
 

 

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