Individual Calculations July 2022
 Graif, William  Total change: -29.80  Rating chartPersonal card
 31st Annual Chicago Open - Open Wheeling, Illinois USA 2022-05-26
RcRownchangeKK*chgGame
 2194 2335 4.50 9 -1.49 20 -29.80 
  Wongso, Steve 1939 USA1.0010.08201.60 
  Dragun, Kamil g2571 POL0.001-0.2020-4.00 
  Yanayt, Eugene f2077 USA1.0010.18203.60 
  Jacobson, Brandon g2526 USA0.001-0.2520-5.00 
  De La Colina, Nicolas 2091 USA0.501-0.3020-6.00 
  Quirke, Jeffrey L 2077 USA1.0010.18203.60 
  Zhao, Erick f2239 USA0.001-0.6320-12.60 
  Gupta, Aditya 2047 USA1.0010.16203.20 
  Oberoi, Shelev 2176 USA0.001-0.7120-14.20 

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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