Individual Calculations July 2008
 Posnik, Andrzej  Total change: -11.25  Rating chartPersonal card
 Mistrzostwa Miasta Pruszcz Gd. Pruszcz Gdanski POL 2008-03-01
RcRownchangeKK*chgGame
 1896 1680 0.00 3 -0.75 15 -11.25 
  Murawski, Wieslaw 2030 POL0.001-0.1115-1.65 
  Walczak, Krystian 1965 POL0.001-0.1615-2.40 
  Ossowski, Boleslaw 1692 POL0.001-0.4815-7.20 

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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