Individual Calculations September 2023
 Walker, David J  Total change: -7.60  Rating chartPersonal card
 Northumbria Masters Open Newcastle upon Tyne ENG 2023-08-24
RcRownchangeKK*chgGame
 2141 2253 3.50 6 -0.38 20 -7.60 
  Archibong, Ubong S 2085 SCO1.0010.28205.60 
  Forster, Matthew 2045 ENG0.501-0.2720-5.40 
  Khoury, Theo 2066 ENG0.501-0.2420-4.80 
  Brewer, Callum D 2144 ENG0.501-0.1520-3.00 
  Yoon, Jacob D 2050 ENG1.0010.24204.80 
  Kjartansson, Gudmundur g2458 ISL0.001-0.2420-4.80 

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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