Individual Calculations August 2017
 Aigner, Michael  Total change: -77.00  Rating chartPersonal card
 2017 National Open (U2300) Las Vegas, Nevada USA 2017-06-16
RcRownchangeKK*chgGame
 1997 2191 1.00 4 -1.97 20 -39.40 
  Solis Castro, Angel Alejan 2076 MEX0.001-0.6620-13.20 
  Liu, Joanna wf1865 USA1.0010.13202.60 
  Siebenhaar, Erich 2072 GER0.001-0.6620-13.20 
  Gustafsson, Alexander K 1974 USA0.001-0.7820-15.60 

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)
 
 2017 Sacramento Chess Championship Sacramento, California USA 2017-07-01
RcRownchangeKK*chgGame
 1962 2191 2.00 5 -1.88 20 -37.60 
  Chang, Eliam 1809 USA1.0010.09201.80 
  Pan, Christopher 1982 USA0.501-0.2720-5.40 
  Wu, Rochelle wc1888 USA0.001-0.8620-17.20 
  Viswanath, Ganesh 2017 AUS0.501-0.2320-4.60 
  Macfarland, James 2113 USA0.001-0.6120-12.20 

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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