Individual Calculations August 2023
 Federer, Colin  Total change: -9.20  Rating chartPersonal card
 HTO Biel 2023 Biel SUI 2023-07-17
RcRownchangeKK*chgGame
 1798 1866 4.50 8 -0.23 40 -9.20 
  Sai, Mahati A 1670 IND0.001-0.7540-30.00 
  Oestmann, Lukas 1760 SUI0.001-0.6440-25.60 
  Sala, Matteo 1874 FRA1.0010.514020.40 
  Ernst, Heinz 1699 SUI1.0010.284011.20 
  Materia, Matteo 1780 FRA0.501-0.1240-4.80 
  Mueller, Andrin 1738 SUI1.0010.334013.20 
  Novalic, Miralem 2028 SUI1.0010.714028.40 
  Al Maamari, Wafia Darwish wf1833 UAE0.001-0.5540-22.00 

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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