Individual Calculations April 2016
 Annetts, Ivor S  Total change: 11.40  Rating chartPersonal card
 69th West of England Chess Union Congress Major U1950 Exmouth ENG 2016-03-25
RcRownchangeKK*chgGame
 1898 1873 1.50 2 0.57 20 11.40 
  Schulte, Felix 1854 GER1.0010.47209.40 
  McDonnell, James J 1942 IRL0.5010.10202.00 

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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