Individual Calculations August 2019
 Mostowski, Maciej  Total change: -6.00  Rating chartPersonal card
 Najdorf Chess Festival gr. B Warszawa POL 2019-07-06
RcRownchangeKK*chgGame
 1769 1793 4.50 9 -0.30 20 -6.00 
  Tarka, Aleksandra 1592 POL1.0010.24204.80 
  Mikhailiuk, Denis 1992 UKR0.001-0.2420-4.80 
  Dabek, Karolina 1612 POL1.0010.26205.20 
  Fritz, Antoni 1985 POL0.001-0.2520-5.00 
  Kietrys, Maciej 1642 POL1.0010.30206.00 
  Pawlowski, Maciej 1964 POL0.001-0.2720-5.40 
  Socko, Weronika 1730 POL0.001-0.5920-11.80 
  Dubrawski, Michal 1708 POL1.0010.38207.60 
  Starosciak, Szymon 1697 POL0.501-0.1320-2.60 

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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