Individual Calculations July 2009
 Stefanski, Piotr  Total change: -41.50  Rating chartPersonal card
 Miedzynarodowe Szachowe Mistrzostwa Malopolski Seniorow i Juniorow Krakow POL 2009-04-26
RcRownchangeKK*chgGame
 1920 1757 1.00 9 -1.66 25 -41.50 
  Sanetra, Szymon 2045 POL0.001-0.1625-4.00 
  Keely, Leo A 2016 ENG1.0010.822520.50 
  Marinc, Damir 2006 SLO0.001-0.1925-4.75 
  Bednarczyk, Damian 1959 POL0.001-0.2425-6.00 
  Lewczuk, Antoni 1636 POL0.001-0.6625-16.50 
  Gregulski, Zbigniew 1959 POL0.001-0.2425-6.00 
  Zajac, Mateusz 1850 POL0.001-0.3725-9.25 
  Marczuk, Dominik 1855 POL0.001-0.3725-9.25 
  Blasiak, Miroslaw 1950 POL0.001-0.2525-6.25 

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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