Individual Calculations September 2010
 Friedman, David M  Total change: -16.25  Rating chartPersonal card
 House of Chess FIDE Spectacular North Olmsted, Ohio USA 2010-08-06
RcRownchangeKK*chgGame
 2086 1936 1.50 7 -0.65 25 -16.25 
  Rust, Lary 1953 USA1.0010.522513.00 
  Weaver, Benjamin W 2111 USA0.001-0.2725-6.75 
  Wright, William B 2147 USA0.001-0.2325-5.75 
  Clinton, Jonathan 2009 USA0.001-0.4025-10.00 
  Meekins, Kristopher 2168 USA0.001-0.2125-5.25 
  Allen, David 2133 USA0.5010.25256.25 
  Smarty, Sylvester 2080 USA0.001-0.3125-7.75 

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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