Individual Calculations August 2023
 Lapczyk, Jerzy  Total change: -13.60  Rating chartPersonal card
 MINI ELO - XI TURNIEJ SZACHOWY "BESKIDY" Strumien POL 2023-07-22
RcRownchangeKK*chgGame
 1261 1394 0.00 1 -0.68 20 -13.60 
  Szczotka, Ryszard 1261 POL0.001-0.6820-13.60 

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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