Individual Calculations May 2012
 Perepelitsky, Edward  Total change: 4.35  Rating chartPersonal card
 19th Annual Western Class Championships Agoura Hills, California USA 2012-03-09
 2180 2208 3.00 5 0.29 15 4.35 
  Yankovsky, Roman 2438 RUS0.001-0.2115-3.15 
  Tanaka, Christian 2072 USA0.501-0.1815-2.70 
  Gutman, Joshua 2114 USA1.0010.37155.55 
  Diskin, Daniel 2107 USA0.501-0.1415-2.10 
  Formanek, Edward W m2171 USA1.0010.45156.75 

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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