Individual Calculations April 2023
 Allan, Brian N  Total change: -35.00  Rating chartPersonal card
 Coulsdon Chess Dicky White - March London ENG 2023-02-27
RcRownchangeKK*chgGame
 1499 1446 0.00 4 -1.75 20 -35.00 
  Fernandes, Aaron 1490 ENG0.001-0.4420-8.80 
  Warner, Dominic W J 1502 ENG0.001-0.4220-8.40 
  Banerjee, Supratit 1740 SCO0.001-0.1520-3.00 
  Mahadevan, Meikum 1262 ENG0.001-0.7420-14.80 

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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