Individual Calculations August 2021
 Winslow, Elliott  Total change: 6.20  Rating chartPersonal card
 2021 Felix German Memorial Tuesday Night Marathon San Francisco, California USA 2021-06-01
RcRownchangeKK*chgGame
 1903 2150 3.00 4 0.01 20 0.20 
  Rajaram, Anika wc1750  * USA1.0010.08201.60 
  Gerstoft, Philip 1750  * DEN1.0010.08201.60 
  Griffith, Kyron f2351 USA0.001-0.2420-4.80 
  Heidari, Ako 1761 IRI1.0010.09201.80 
 * 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)
 
 2021 Calchess Senior State Championship Berkeley, California USA 2021-07-11
RcRownchangeKK*chgGame
 2071 2152 1.50 2 0.30 20 6.00 
  Taylor, Tim m2199 USA1.0010.572011.40 
  Walder, Michael 1943 USA0.501-0.2720-5.40 

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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