Individual Calculations January 2009
 Lawson, Brian  Total change: -6.60  Rating chartPersonal card
 11th Queens Club Futurity Jamaica, New York USA 2008-07-11
RcRownchangeKK*chgGame
 2039 2108 5.50 10 -0.44 15 -6.60 
  Ryba, Nicholas A 2014 USA0.501-0.1315-1.95 
  Frumkin, Edward A 2049 USA1.0010.42156.30 
  Muwwakkil, Mulazim 1966 USA0.501-0.1915-2.85 
  Ryba, Andrew A 2014 USA1.0010.37155.55 
  Tamarkin, Lawrence 2150 USA0.001-0.4415-6.60 
  Ryba, Nicholas A 2014 USA0.001-0.6315-9.45 
  Frumkin, Edward A 2049 USA0.501-0.0815-1.20 
  Muwwakkil, Mulazim 1966 USA1.0010.31154.65 
  Ryba, Andrew A 2014 USA0.001-0.6315-9.45 
  Tamarkin, Lawrence 2150 USA1.0010.56158.40 

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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