Individual Calculations March 2012
 Rumph, Todd  Total change: -3.45  Rating chartPersonal card
 2012 Winter Tuesday Night Marathon San Francisco, California USA 2012-01-03
RcRownchangeKK*chgGame
 1991 2152 4.50 7 -0.30 15 -4.50 
  Milliken, William 1752  * USA1.0010.08151.20 
  Abraham, Renjish 1880 USA1.0010.17152.55 
  Delmonico, Nils 1938 SUI1.0010.23153.45 
  Wong, Russell 2109 USA0.001-0.5615-8.40 
  Traub, Igor 2098 USA0.501-0.0815-1.20 
  Ochoa, Jason 1834 USA1.0010.13151.95 
  Winslow, Elliott m2328 USA0.001-0.2715-4.05 
 * 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)
 
 29th Annual US Amateur Team Championship West Santa Clara, California USA 2012-02-18
RcRownchangeKK*chgGame
 2199 2152 0.50 1 0.07 15 1.05 
  Langreck, John 2199 USA0.5010.07151.05 

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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