Individual Calculations September 2010
 Acosta, Luis Ivan  Total change: 2.25  Rating chartPersonal card
 Torneo IRT Internacional de Ajedrez Charala Charala COL 2010-07-17
RcRownchangeKK*chgGame
 2031 1816 1.00 4 0.09 25 2.25 
  Zabala, Fidel 2085 COL0.001-0.1725-4.25 
  Schneider-Zinner, Werner 2041 AUT0.001-0.2225-5.50 
  Valderrama Castano, Julian Cami 2000 COL0.001-0.2625-6.50 
  Jimenez, Luis Felipe 1999 COL1.0010.742518.50 

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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