Individual Calculations January 2011
 Bass, John W  Total change: 21.60  Rating chartPersonal card
 London Chess Classic Open London ENG 2010-12-08
RcRownchangeKK*chgGame
 2155 2064 5.00 9 1.44 15 21.60 
  Grover, Sahaj m2432 IND0.001-0.1015-1.50 
  De Luna Butz, Alberto 1846 ESP1.0010.22153.30 
  Mortazavi, Ali m2372 ENG0.5010.36155.40 
  Stone, Andrew M 2223 ENG0.5010.21153.15 
  Wallace, Paul 2231 IRL0.001-0.2815-4.20 
  Green, Conrad Eliot 1942 ENG0.501-0.1715-2.55 
  Kane, Robert 1875 ENG1.0010.25153.75 
  Maduekwe, Chiedu 2185 NGR1.0010.66159.90 
  Roberson, Peter T 2291 ENG0.5010.29154.35 

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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