Individual Calculations February 2014
 Treiman, Scott  Total change: 22.20  Rating chartPersonal card
 23rd Annual North American Open - U2300 Section Las Vegas, Nevada USA 2013-12-26
 2127 2076 4.50 7 1.48 15 22.20 
  Akopyan, Harutyun f2240 USA0.5010.22153.30 
  Perez, Paul f2238 MEX0.001-0.2915-4.35 
  Asaria, Danial 1953 USA1.0010.33154.95 
  Magana Cazares, Jesus 2109 MEX1.0010.55158.25 
  Chen, Derek H 2052 USA0.501-0.0315-0.45 
  Serpik, Ilia 2201 USA0.5010.17152.55 
  Feng, Roland 2099 USA1.0010.53157.95 

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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