Individual Calculations September 2023
 Bourne, Johnathan D  Total change: 3.00  Rating chartPersonal card
 15th Leyland Congress Leyland ENG 2023-08-26
RcRownchangeKK*chgGame
 1936 1897 1.50 3 0.15 20 3.00 
  Orlovska, Madara 2088 LAT0.001-0.2520-5.00 
  Hepworth, Peter 1827 ENG1.0010.40208.00 
  Subramanian, Anusha 1894 ENG0.5010.00200.00 

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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