Individual Calculations June 2023
 Barton, R Alan  Total change: -19.20  Rating chartPersonal card
 English Seniors Championships 2023 - Over 65 Leamington Spa ENG 2023-05-04
RcRownchangeKK*chgGame
 1784 1840 2.00 5 -0.96 20 -19.20 
  Littlewood, Paul E m2347 ENG0.001-0.0420-0.80 
  Collins, Nigel 1454 ENG0.501-0.4120-8.20 
  Waldock, Adrian D P 1687 ENG0.501-0.2020-4.00 
  Erdogan, Hassan 1831 ENG0.501-0.0120-0.20 
  Seymour, Paul 1599 ENG0.501-0.3020-6.00 

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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