Individual Calculations April 2009
 Jackowski, Ryszard  Total change: -7.50  Rating chartPersonal card
 XIX Miedzynarodowy Festiwal Szachowy CRACOVIA'2008, Gr-B Krakow POL 2008-12-27
RcRownchangeKK*chgGame
 1915 1860 2.50 7 -0.50 15 -7.50 
  Koziej, Maciej 2022 POL0.001-0.2915-4.35 
  Kasperek, Joanna 2029 POL0.5010.22153.30 
  Balandynowicz, Wojciech 2026 POL0.001-0.2815-4.20 
  Ziolkowski, Boleslaw 1935 POL1.0010.60159.00 
  Choroszej, Aleksander 1973 POL0.001-0.3515-5.25 
  Jaskolka, Tomasz 1741 POL0.001-0.6615-9.90 
  Matysiak, Samuel 1679 POL1.0010.26153.90 

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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