Individual Calculations December 2014
 Ball, Christopher  Total change: 2.00  Rating chartPersonal card
 2014 John Purdy Memorial Open Sydney AUS 2014-09-09
RcRownchangeKK*chgGame
 1870 1867 4.00 8 0.05 40 2.00 
  Shaw, Ralph 1705 AUS1.0010.294011.60 
  Willathgamuwa, Kevin 1866 AUS0.5010.00400.00 
  Lay, Peter D 1969 AUS1.0010.644025.60 
  Chen, Yu-Shiun 1891 AUS0.001-0.4740-18.80 
  Hutchings, Frank 1948 AUS1.0010.614024.40 
  Garner, Stephen J 1864 AUS0.5010.00400.00 
  Webster, David 1974 AUS0.001-0.3540-14.00 
  Case, Ivan 1739 AUS0.001-0.6740-26.80 

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)
 

 

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