Individual Calculations August 2023
 Willmoth, Robert F  Total change: -3.60  Rating chartPersonal card
 II Kingston Invitational - FIDE Rated All-Play-All Group Kingston upon Thames ENG 2023-07-24
RcRownchangeKK*chgGame
 2114 2129 4.50 9 -0.18 20 -3.60 
  Josse, Mark c2175 ENG0.5010.06201.20 
  Varney, Zoe wc2020 ENG0.501-0.1520-3.00 
  Makepeace, Philip J 2055 ENG0.501-0.1020-2.00 
  Healey, Michael W 2136 ENG0.5010.01200.20 
  Taylor, William J 1986 ENG0.501-0.1920-3.80 
  Hill, Alistair 2173 ENG0.5010.06201.20 
  Seymour, Timothy P 2086 ENG0.501-0.0620-1.20 
  Johnson, Daniel 2224 SWE0.5010.13202.60 
  Bergsson, Stefan 2169 ISL0.5010.06201.20 

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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