Individual Calculations January 2010
 Campbell, Eoin  Total change: 44.10  Rating chartPersonal card
 35th Guernsey International Open Guernsey GCI 2009-10-18
RcRownchangeKK*chgGame
 2072 1910 3.50 7 1.48 15 22.20 
  Purdon, Colin 2102 ENG0.5010.25153.75 
  Heppell, Ian 2135 ENG0.5010.28154.20 
  Prins, Jan 2069 NED0.001-0.2915-4.35 
  Burton, Ronnie 2036 ENG0.5010.17152.55 
  Rowe, Peter 2039 GCI1.0010.671510.05 
  Thurlow, Kevin c2070 ENG0.5010.21153.15 
  Maruejols, Claude 2052 FRA0.5010.19152.85 

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)
 
 London Chess Classic Open London ENG 2009-12-08
RcRownchangeKK*chgGame
 2060 1910 3.00 8 0.54 15 8.10 
  Warman, Simon M 2153 ENG0.001-0.2015-3.00 
  Player, Edmund C 2149 ENG0.5010.30154.50 
  Hodgson, John H 2189 ENG0.5010.34155.10 
  Fegan, Chris 2078 ENG0.001-0.2815-4.20 
  Clarke, Brandon G I 2056 ENG0.001-0.3015-4.50 
  Bratteteig, Tore-Inge 1679 NOR1.0010.21153.15 
  Gregory, Philip J 2110 ENG0.001-0.2415-3.60 
  Bass, John W 2068 ENG1.0010.711510.65 

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)
 
 Coulsdon Chrsitmas Challengers Coulsodn ENG 2009-12-14
RcRownchangeKK*chgGame
 1912 1910 5.50 9 0.92 15 13.80 
  Cohen, Ronnie 1910 ENG0.5010.00150.00 
  Kane, Frank 1877 ENG0.501-0.0515-0.75 
  Rudd, Jack m2296 ENG0.001-0.0915-1.35 
  Clayton, Tristan 1729 ENG1.0010.26153.90 
  Eilers, Arne 1958 ENG1.0010.57158.55 
  Sanders, Isaac 1777 ENG1.0010.32154.80 
  Birkin, Mark 1879 ENG0.501-0.0415-0.60 
  Fields, Francis 1922 ENG0.5010.02150.30 
  O`Gorman, Brendan 1862 ENG0.501-0.0715-1.05 

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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