Individual Calculations January 2023
 Dukaczewski, Piotr  Total change: -20.80  Rating chartPersonal card
 Druzynowe Mistrzostwa Polski Niewidomych i Slabowidzacych 2022 Karpacz POL 2022-12-11
RcRownchangeKK*chgGame
 1863 2152 5.50 8 -1.04 20 -20.80 
  Kopiec, Miroslaw 1752  * POL1.0010.08201.60 
  Stachanczyk, Jacek m2171 POL0.001-0.4720-9.40 
  Traczyk, Tadeusz 1772 POL1.0010.09201.80 
  Zelajtys, Jozef 1760 POL1.0010.08201.60 
  Wolanski, Michal 1941 POL1.0010.23204.60 
  Szydlowski, Wiktor 1702 POL1.0010.06201.20 
  Wolanski, Michal 1941 POL0.001-0.7720-15.40 
  Kowalczyk, Marian 1866 POL0.501-0.3420-6.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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