Individual Calculations April 2023
 Smith, Andrew P  Total change: -33.20  Rating chartPersonal card
 OTB Returns - Henley Open 1 Henley-on-Thames ENG 2023-03-04
RcRownchangeKK*chgGame
 1867 2071 0.50 3 -1.66 20 -33.20 
  Sheikh, Anum wc1708 ENG0.001-0.9020-18.00 
  Murawski, Jan 1726 ENG0.501-0.3920-7.80 
  Lalic, Peter D c2168 ENG0.001-0.3720-7.40 

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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