Individual Calculations April 2014
 Witte, Volker, Dr.  Total change: -20.40  Rating chartPersonal card
 12. BAYER Open Leverkusen GER 2014-01-13
RcRownchangeKK*chgGame
 1825 1905 0.50 2 -0.68 30 -20.40 
  Romaker, Johann 2023 GER0.001-0.3430-10.20 
  Yon, Gregory 1626 GER0.501-0.3430-10.20 

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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