Individual Calculations August 2023
 Drahorad, Daniel  Total change: -12.20  Rating chartPersonal card
 CZECH OPEN 2023 - E Pardubice CZE 2023-07-13
RcRownchangeKK*chgGame
 1704 1961 1.00 2 -0.61 20 -12.20 
  Sprinar, Michal 1622 CZE0.501-0.3820-7.60 
  Kowalczyk, Wojciech 1786 POL0.501-0.2320-4.60 

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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