Individual Calculations April 2008
 Collyer, Curt D  Total change: 18.75  Rating chartPersonal card
 2007 Washington Open Seatttle, Washington USA 2007-11-23
RcRownchangeKK*chgGame
 2203 2255 3.50 6 0.09 15 1.35 
  Macgregor, Michael S 2213 USA0.501-0.0615-0.90 
  Rupel, David G 2126 USA0.501-0.1715-2.55 
  Davies, Lucas Gabriel 2165 CAN1.0010.38155.70 
  Cheng, Bindi f2307 CAN1.0010.57158.55 
  Roper, David C f2288 USA0.001-0.4515-6.75 
  Selzler, Ricky 2118 USA0.501-0.1815-2.70 

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)
 
 17th Annual North American Open Las Vegas, NV USA 2007-12-26
RcRownchangeKK*chgGame
 2282 2255 2.00 5 -0.38 15 -5.70 
  Becerra, Julio g2568 USA0.001-0.1415-2.10 
  Stubenrauch, Steve 2126 USA0.001-0.6715-10.05 
  Kudryavtsev, Vadim 2174 RUS1.0010.39155.85 
  Bennett, David c2226 USA1.0010.46156.90 
  Lein, Anatoly g2315 USA0.001-0.4215-6.30 

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)
 
 2008 Washington Championship - Premier Seattle, Washington USA 2008-02-09
RcRownchangeKK*chgGame
 2166 2255 6.50 8 1.54 15 23.10 
  May, Andy 2102 USA0.501-0.2015-3.00 
  Macgregor, Michael 2213 USA1.0010.44156.60 
  Bragg, David f2226 USA1.0010.46156.90 
  Kalina, Chris 2108 USA0.501-0.2015-3.00 
  Levine, David 2199 USA1.0010.42156.30 
  Oshiro, Michael 2135 USA1.0010.34155.10 
  Pupols, Viktors 2228 USA1.0010.46156.90 
  Selzler, Ricky 2118 USA0.501-0.1815-2.70 

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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