Individual Calculations September 2023
 Willmoth, Robert F  Total change: -17.40  Rating chartPersonal card
 Northumbria Masters Open Newcastle upon Tyne ENG 2023-08-24
RcRownchangeKK*chgGame
 2174 2125 0.50 3 -0.87 20 -17.40 
  Kjartansson, Gudmundur g2458 ISL0.001-0.1220-2.40 
  Ethelontis, Alexandros N 2015 ENG0.501-0.1520-3.00 
  Yoon, Jacob D 2050 ENG0.001-0.6020-12.00 

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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