Individual Calculations July 2023
 Kowalczyk, Marian  Total change: -17.60  Rating chartPersonal card
 Druzynowe Mistrzostwa Stowarzyszenia Cross w Szachach Wegierska Gorka POL 2023-06-12
RcRownchangeKK*chgGame
 1607 1829 5.00 8 -0.88 20 -17.60 
  Kamrat, Jan 1490 POL1.0010.12202.40 
  Gembski, Mateusz 1429  * POL0.501-0.4220-8.40 
  Bzowski, Grzegorz 1375 POL0.501-0.4420-8.80 
  Miodonski, Miroslaw 1479 POL1.0010.11202.20 
  Suder, Ryszard 1979 POL0.5010.20204.00 
  Zelajtys, Jozef 1706 POL0.501-0.1720-3.40 
  Majcher, Andrzej 1506 POL1.0010.13202.60 
  Racis, Michal 1894 POL0.001-0.4120-8.20 
 * 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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