Individual Calculations July 2018
 Siebenhaar, Erich  Total change: -9.20  Rating chartPersonal card
 2018 National Open - U2300 Las Vegas, Nevada USA 2018-06-21
RcRownchangeKK*chgGame
 2073 2055 0.50 2 -0.46 20 -9.20 
  Brown, Wayne B 2044 USA0.501-0.0220-0.40 
  Creger V, Leo 2101 USA0.001-0.4420-8.80 

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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