Individual Calculations March 2011
 Ogono, Vicente  Total change: -25.50  Rating chartPersonal card
 XV GRAND PRIX NACIONAL DE AJEDREZ V PARADA U 2200 Loja ECU 2010-09-17
RcRownchangeKK*chgGame
 1775 1783 0.00 2 -1.02 25 -25.50 
  Barros, Cristhian 1945 ECU0.001-0.2925-7.25 
  Parra Matute, Mario 1604 ECU0.001-0.7325-18.25 

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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