Individual Calculations October 2021
 Basalla, Robert W  Total change: 21.20  Rating chartPersonal card
 2021 Ohio Chess Congress Akron, Ohio USA 2021-09-03
RcRownchangeKK*chgGame
 2008 1814 2.50 5 1.06 20 21.20 
  Adury, Anant 1681 USA0.001-0.6820-13.60 
  Mucerino, Joseph J 1991 USA1.0010.732014.60 
  Murthy, Pappu Ln 1939 USA1.0010.672013.40 
  Blocker, Calvin m2214  * USA0.5010.42208.40 
  Park, Evan f2214  * USA0.001-0.0820-1.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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