Individual Calculations January 2016
 Cohen, Lawrence S  Total change: 1.80  Rating chartPersonal card
 2015 Thanksgiving Open Saint Louis, Missouri USA 2015-11-27
RcRownchangeKK*chgGame
 1945 1933 3.00 6 0.09 20 1.80 
  Tohirjonova, Hulkar wf2150 UZB0.001-0.2220-4.40 
  Lehmann, Spencer G 1888 USA0.001-0.5620-11.20 
  Carey, Aidan M 1753 USA1.0010.26205.20 
  Anu, Bayar wf2009 MGL0.001-0.4020-8.00 
  Aykent, Serdar 1857 USA1.0010.40208.00 
  Lucente, Mike 2010 USA1.0010.612012.20 

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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