Individual Calculations February 2024
 Kosturkiewicz, Jacek  Total change: -22.00  Rating chartPersonal card
 XXXIV Miedzynarodowy Festiwal Szachowy CRACOVIA 2023 Grupa B Krakow POL 2023-12-27
RcRownchangeKK*chgGame
 1925 1847 2.50 9 -1.10 20 -22.00 
  Sygulski, Piotr 2002 POL0.001-0.2920-5.80 
  Demski, Michal 2017 POL0.001-0.2820-5.60 
  Rogacewicz, Mikolaj 2022 POL0.001-0.2720-5.40 
  Mikula, Michal 1892 POL1.0010.562011.20 
  Rainer, Piotr 1820 POL0.001-0.5420-10.80 
  Kumor, Lukasz 2070 POL0.001-0.2220-4.40 
  Mikula, Maciej 1841 POL0.001-0.5120-10.20 
  Pozniak, Yunna 1820 UKR0.501-0.0420-0.80 
  Cattaruzzo, Nicolo 1841 ITA1.0010.49209.80 

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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