Individual Calculations November 2015
 Qian, Bill Ningyuan  Total change: -14.80  Rating chartPersonal card
 4th Fall OCF FIDE Chess Open Stillwater, Oklahoma USA 2015-10-17
RcRownchangeKK*chgGame
 1811 1563 0.50 4 -0.37 40 -14.80 
  Scott, David W 1963  * USA0.001-0.0840-3.20 
  Walling, Zachary 1748 USA0.001-0.2640-10.40 
  Zeng, Sheena 1623 USA0.5010.08403.20 
  Berry, James E. 1910 USA0.001-0.1140-4.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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