Individual Calculations September 2010
 Borgen, Richard L  Total change: -3.30  Rating chartPersonal card
 111th Annual US Open - Jerry Hanken Memorial Irvine, California USA 2010-07-31
RcRownchangeKK*chgGame
 2098 2126 3.00 6 -0.22 15 -3.30 
  Antler, Arthur S 2006 USA1.0010.34155.10 
  Aird, Ian 2019 SCO0.501-0.1515-2.25 
  Winter, Curtis A 1880 USA1.0010.19152.85 
  Casella, Michael f2282 USA0.001-0.2915-4.35 
  Roper, David C f2288 USA0.001-0.2915-4.35 
  Kleist, Frederick 2114 CAN0.501-0.0215-0.30 

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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