Individual Calculations June 2023
 Witte, Volker, Dr.  Total change: -35.20  Rating chartPersonal card
 63. Offene Koelner Stadtmeisterschaft Koeln GER 2023-05-17
RcRownchangeKK*chgGame
 1692 1759 0.00 3 -1.76 20 -35.20 
  Raetzke Von Stoyentin, Steffen 2026 GER0.001-0.1820-3.60 
  Werthmann, Martin-Lorenz, Dr. 1496 GER0.001-0.8220-16.40 
  Mohebbi, Sam 1555 GER0.001-0.7620-15.20 

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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