Individual Calculations April 2008
 Serpik, Ilia  Total change: -12.15  Rating chartPersonal card
 17th Annual North American Open Las Vegas, NV USA 2007-12-26
RcRownchangeKK*chgGame
 2149 2263 1.50 2 0.20 15 3.00 
  Stubenrauch, Steve 2126 USA1.0010.32154.80 
  Rubsamen, Cornelius 2172 USA0.501-0.1215-1.80 

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)
 
 25th Annual U.S Amateur Team West Los Angeles, CA USA 2008-02-16
RcRownchangeKK*chgGame
 2260 2263 0.00 2 -1.01 15 -15.15 
  Landaw, Julian 2264 USA0.001-0.5015-7.50 
  Yanayt, Eugene f2255 USA0.001-0.5115-7.65 

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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