Individual Calculations March 2012
 Gravett, Alan David  Total change: -9.75  Rating chartPersonal card
 Tradewise Chess Festival - Challengers A 2012 Gibraltar ENG 2012-01-23
RcRownchangeKK*chgGame
 1830 1931 1.00 2 -0.24 15 -3.60 
  Haddock, Paul 1688 ENG1.0010.20153.00 
  Cohen, Lawrence S 1971 USA0.001-0.4415-6.60 

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)
 
 Tradewise Chess Festival - Challengers B 2012 Gibraltar ENG 2012-01-28
RcRownchangeKK*chgGame
 2024 1931 1.50 5 -0.41 15 -6.15 
  Norman, Kenneth I c2174 ENG0.5010.30154.50 
  Erdelyi, Tamas Dr m2157 HUN0.001-0.2115-3.15 
  Taylor-Bowd, Philip J 2031 ENG0.001-0.3615-5.40 
  Bucknell, Malcolm Gordon 1937 ENG0.5010.01150.15 
  Hadrych, Craig 1821 ENG0.501-0.1515-2.25 

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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