Individual Calculations June 2021
 Stefaniuk, Zbigniew  Total change: -40.80  Rating chartPersonal card
 Mistrzostwa Mazowsza Juniorow 2021 - do lat 15 Warszawa POL 2021-05-15
RcRownchangeKK*chgGame
 1390 1566 2.50 5 -1.02 40 -40.80 
  Szymkiewicz, Witold 1267 POL0.501-0.3540-14.00 
  Mossakowski, Jakub 1475 POL0.501-0.1240-4.80 
  Iwaszkiewicz, Grzegorz 1406 POL0.501-0.2140-8.40 
  Jankowski, Franciszek 1190 POL0.501-0.4140-16.40 
  Wesolek, Krzysztof 1614 POL0.5010.07402.80 

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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