Individual Calculations December 2013
 Berry, Stephen H  Total change: 10.05  Rating chartPersonal card
 Paignton Chess Congress 2013: RON BRUCE PREMIER Paignton ENG 2013-09-01
RcRownchangeKK*chgGame
 2153 2311 5.50 7 0.67 15 10.05 
  Wells, Jonathan C 2013 ENG0.501-0.3515-5.25 
  Brusey, Alan W 1959 ENG1.0010.11151.65 
  Brown, Alan M 2087 ENG1.0010.22153.30 
  Arkell, Keith C g2451 ENG1.0010.691510.35 
  Mackle, Dominic 2247 ENG0.501-0.0915-1.35 
  Dilleigh, Stephen P 2135 ENG1.0010.27154.05 
  Rayner, Francis 2181 WLS0.501-0.1815-2.70 

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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