Individual Calculations February 2018
 Ostrowski, Michal  Total change: -7.60  Rating chartPersonal card
 XXVIII Miedzynarodowy Festiwal Szachowy CRACOVIA-2017 Grupa C Krakow POL 2017-12-27
RcRownchangeKK*chgGame
 1546 1207 0.00 3 -0.38 20 -7.60 
  Skorupa, Oliwia 1597 POL0.001-0.0920-1.80 
  Zaczek, Krzysztof 1462 POL0.001-0.1920-3.80 
  Sobelga, Lukasz 1580 POL0.001-0.1020-2.00 

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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