Rapid: Individual Calculations July 2023
 Protas, Zofia  Total change: -8.40  Rating chartPersonal card
 Szachowe Mistrzostwa Stolicy w Krate o Puchar Wojta Gminy Slupsk Swolowo POL 2023-06-17
RcRownchangeKK*chgGame
 1731 1013 0.00 4 -0.21 40 -8.40 
  Szczepinski, Michal 2209 POL0.0010.00400.00 
  Maciejewski, Waldemar 1930 POL0.0010.00400.00 
  Mielczarski, Zbigniew 1482 POL0.001-0.0540-2.00 
  Dobrowolski, Henryk 1302 POL0.001-0.1640-6.40 

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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