Individual Calculations February 2014
 Samuelson, Andrew  Total change: 23.40  Rating chartPersonal card
 40th Annual Eastern Open Bethesda, Maryland USA 2013-12-26
 2265 2203 4.50 7 1.56 15 23.40 
  Snell, Christopher 1926 USA1.0010.17152.55 
  Kekelidze, Mikheil g2467 GEO1.0010.821512.30 
  Darmanovic, Srdjan 2270 MNE1.0010.59158.85 
  Smith, Bryan G m2481 USA0.5010.33154.95 
  Huseynov, Elmir m2411 AZE0.001-0.2315-3.45 
  Kaufman, Lawrence g2336 USA0.001-0.3215-4.80 
  Cao, Alvin 1964 USA1.0010.20153.00 

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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