Individual Calculations February 2018
 Vachal, Josef  Total change: 10.40  Rating chartPersonal card
 Krajsky prebor SSPK 2017/2018 r5-6 various CZE 2018-01-07
RcRownchangeKK*chgGame
 2102 2095 1.50 2 0.52 20 10.40 
  Jezek, Jan 2187 CZE0.5010.13202.60 
  Racek, Jiri 2016 CZE1.0010.39207.80 

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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