Individual Calculations September 2009
 Mielke, Patryk  Total change: -21.25  Rating chartPersonal card
 XI Miedzynarodowe Mistrzostwa Gdanska w szachach-Open B Gdansk POL 2009-07-18
RcRownchangeKK*chgGame
 1832 1665 0.00 3 -0.85 25 -21.25 
  Gorniewicz, Oskar 1844 POL0.001-0.2725-6.75 
  Niecko, Stanislaw 1871 POL0.001-0.2425-6.00 
  Nowosielski, Piotr 1782 POL0.001-0.3425-8.50 

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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