Individual Calculations September 2019
 Lunna, Todd  Total change: -4.00  Rating chartPersonal card
 2019 National Senior Tournament of Champions Orlando, Florida USA 2019-08-03
RcRownchangeKK*chgGame
 2080 2234 2.50 4 -0.20 20 -4.00 
  Hobbs, Richard 1834  * USA1.0010.08201.60 
  Sevillano, Enrico g2443 USA0.001-0.2320-4.60 
  Becker, Allen 2043 USA0.501-0.2520-5.00 
  Pohl, Klaus 1998 USA1.0010.20204.00 
 * 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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