Rapid: Individual Calculations May 2023
 Riddoch, Alan E  Total change: -22.40  Rating chartPersonal card
 2023 British Rapidplay Championship Bradford ENG 2023-04-15
RcRownchangeKK*chgGame
 1691 1585 0.50 4 -1.12 20 -22.40 
  Smith, Andrew P f2073 IRL0.001-0.0420-0.80 
  Rogowski, Rafal 1291 ENG0.501-0.3520-7.00 
  Singh, Amrik J 1855 ENG0.001-0.1720-3.40 
  Lukhi, Neev 1543 SCO0.001-0.5620-11.20 

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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