Individual Calculations January 2009
 Gibson, Christopher A  Total change: 12.75  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2107 1951 2.50 4 1.26 15 18.90 
  Valentine, Brian J 1995 ENG1.0010.56158.40 
  Fallowfield, Jeremy 2006 ENG0.5010.08151.20 
  Mordue, A Tyson f2291 ENG0.001-0.1215-1.80 
  Dickson, George 2135 ENG1.0010.741511.10 

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)
 
 Milton Keynes Open Milton Keynes ENG 2008-11-14
RcRownchangeKK*chgGame
 2013 1951 0.00 1 -0.41 15 -6.15 
  Coates, David H 2013 ENG0.001-0.4115-6.15 

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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