Individual Calculations April 2009
 Kosztyla, Andrzej  Total change: -10.50  Rating chartPersonal card
 XIX Miedzynarodowy Festiwal Szachowy CRACOVIA'2008, Gr-B Krakow POL 2008-12-27
RcRownchangeKK*chgGame
 1896 1720 0.50 4 -0.70 15 -10.50 
  Balinski, Damian 1997 POL0.001-0.1715-2.55 
  Czernicki, Bogdan 2070 POL0.001-0.1115-1.65 
  Buono, Valerio 1950 ITA0.5010.29154.35 
  Wozniak, Mariola 1565 POL0.001-0.7115-10.65 

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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