Individual Calculations July 2008
 Peralta, Juan  Total change: -18.00  Rating chartPersonal card
 La Vega International Chess Open 2008 La Vega DOM 2008-04-30
RcRownchangeKK*chgGame
 2181 2064 0.00 2 -0.72 25 -18.00 
  Sanchez, Jose R 2033 DOM0.001-0.5425-13.50 
  Munoz, Lisandro m2328 DOM0.001-0.1825-4.50 

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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