Individual Calculations March 2010
 Webb, Laurence E  Total change: -27.90  Rating chartPersonal card
 Hastings Masters Hastings ENG 2009-12-28
RcRownchangeKK*chgGame
 2159 2321 4.50 9 -1.86 15 -27.90 
  Rayner, Francis 2153 WLS1.0010.28154.20 
  Arkell, Keith C g2464 ENG0.001-0.3115-4.65 
  Demac, Elias 2084 NOR0.001-0.8015-12.00 
  Calvert, D Ian 2070 ENG1.0010.19152.85 
  Griffiths, Ryan Rhys 2148 IRL0.001-0.7315-10.95 
  Brechin, Hugh R 2025 SCO1.0010.15152.25 
  Almond, Richard J 2174 ENG0.501-0.2015-3.00 
  Cafferty, Bernard f2141 ENG1.0010.26153.90 
  Lock, Gavin R 2171 ENG0.001-0.7015-10.50 

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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