Individual Calculations September 2009
 Karp, Justin  Total change: -33.50  Rating chartPersonal card
 XX Panamericano Mar del Plata U14 Abs Mar del Plata ARG 2009-08-15
RcRownchangeKK*chgGame
 1932 1908 1.00 5 -1.34 25 -33.50 
  Salvatierra, Matias 1697 ARG0.001-0.7725-19.25 
  Michailov, Matias 1836 URU0.001-0.6025-15.00 
  Arias, Pablo c2116 BOL0.001-0.2325-5.75 
  Valencia, Andres Felipe 1967 COL1.0010.582514.50 
  Cabralis, Keron 2043 TRI0.001-0.3225-8.00 

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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