Individual Calculations April 2023
 Okurowski, Michal  Total change: -29.80  Rating chartPersonal card
 XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 8 Warszawa POL 2023-02-27
RcRownchangeKK*chgGame
 1286 1602 0.50 1 -0.37 20 -7.40 
  Chojecki, Lukasz 1286 POL0.501-0.3720-7.40 

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)
 
 XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 9-11 Warszawa POL 2023-03-06
RcRownchangeKK*chgGame
 1347 1593 0.50 2 -1.12 20 -22.40 
  Blus, Piotr 1357 POL0.001-0.8020-16.00 
  Kryston, Aleksander 1336 POL0.501-0.3220-6.40 

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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