Individual Calculations February 2023
 Landfair, Dean  Total change: -20.80  Rating chartPersonal card
 Tim Just Winter Open XXXIX - U2100 Section Schaumburg, IL USA 2023-01-06
RcRownchangeKK*chgGame
 1683 1354 0.00 3 -0.52 40 -20.80 
  Compton, John 1934 USA0.001-0.0240-0.80 
  Hill, Robert 1652 USA0.001-0.1540-6.00 
  Zhou, Celina 1462 USA0.001-0.3540-14.00 

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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