Individual Calculations March 2011
 Weiss, Allen J  Total change: 28.25  Rating chartPersonal card
 20th Annual North American Open Las Vegas, Nevada USA 2010-12-26
RcRownchangeKK*chgGame
 2308 2155 3.00 6 1.13 25 28.25 
  Wang, Philip Xiao f2317 USA0.5010.21255.25 
  Ravichandran, Siddharth m2463 IND0.001-0.1425-3.50 
  Eng, Randel 1977 USA1.0010.27256.75 
  Coleman, Teddy f2282 USA1.0010.672516.75 
  Ris, Robert m2423 NED0.5010.33258.25 
  De Guzman, Ricardo m2387 PHI0.001-0.2125-5.25 

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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