Individual Calculations March 2012
 Zhang, Eric  Total change: 12.60  Rating chartPersonal card
 21st Annual North American Open - U2300 Section Las Vegas, Nevada USA 2011-12-26
RcRownchangeKK*chgGame
 2121 2010 3.00 6 0.84 15 12.60 
  Studen, Damir 2248 USA0.5010.30154.50 
  Brown, Michael W 2193 USA0.001-0.2615-3.90 
  Beilin, Allan 1917 USA0.501-0.1315-1.95 
  Adams, Nicholas A 2241 USA0.5010.29154.35 
  Lee, Nathan Y 2114 USA1.0010.64159.60 
  Plesco, Serghei 2011 MDA0.5010.00150.00 

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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