Individual Calculations October 2017
 Bronfeyn, Daniel  Total change: -23.20  Rating chartPersonal card
 2017 Illinois Open State Championship Northbrook, Illinois USA 2017-09-02
RcRownchangeKK*chgGame
 1997 2028 1.00 3 -0.58 40 -23.20 
  Kogen, Jonathan 2196 USA0.001-0.2840-11.20 
  Bale, Leslie 1730 USA1.0010.15406.00 
  Szpisjak, Steven J 2066 USA0.001-0.4540-18.00 

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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