Individual Calculations January 2015
 Henderson Jr, S E  Total change: -55.60  Rating chartPersonal card
 2014 Chess - IQ December Plus Score Open Skokie, Illinois USA 2014-12-13
RcRownchangeKK*chgGame
 1784 1778 1.00 4 -0.96 40 -38.40 
  Coffman, Charles Z 1822 USA0.001-0.4440-17.60 
  Mangalam, Shreya B 1669 USA0.001-0.6540-26.00 
  Smythe, Bill 1811 USA1.0010.554022.00 
  Richmond, M Barrie 1833 USA0.001-0.4240-16.80 

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)
 
 2014 Chess - IQ December Quads II Skokie, Illinois USA 2014-12-20
RcRownchangeKK*chgGame
 1825 1778 0.00 1 -0.43 40 -17.20 
  Richardson, Ryan 1825 USA0.001-0.4340-17.20 

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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