Individual Calculations April 2009
 Calvo, Arnaldo  Total change: -22.80  Rating chartPersonal card
 SEMIFINAL PROVINCIAL MATANZAS. 2008 Matanzas CUB 2008-09-03
RcRownchangeKK*chgGame
 1743 1966 0.00 2 -1.52 15 -22.80 
  Gonzalez, Andres 1870 CUB0.001-0.6315-9.45 
  Aragon, Adelquis 1616 CUB0.001-0.8915-13.35 

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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