Individual Calculations September 2023
 Kania, Zbigniew  Total change: -32.00  Rating chartPersonal card
 59. Miedzynardowy Festiwal Szachowy im. Akiby Rubinsteina - Open E Polanica-Zdroj POL 2023-08-19
RcRownchangeKK*chgGame
 1257 1124 0.50 4 -0.80 40 -32.00 
  Owczarz, Michal 1316 POL0.001-0.2540-10.00 
  Laszczynski, Karol 1186 POL0.001-0.4140-16.40 
  Twardziak, Jerzy 1327 POL0.001-0.2440-9.60 
  Kubaszewski, Piotr 1200 POL0.5010.10404.00 

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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