Individual Calculations July 2010
 Harley-Yeo, Gareth  Total change: -22.05  Rating chartPersonal card
 Four Nations Chess League (4NCL) Various ENG 2009-10-24
RcRownchangeKK*chgGame
 1966 2059 4.00 6 0.32 15 4.80 
  Botham, C Paul 2040 ENG0.501-0.0315-0.45 
  Jones, Laurence A G 1747 ENG1.0010.14152.10 
  James, Dai 1995 WLS0.001-0.5915-8.85 
  Thompson, Robert 1835 ENG1.0010.22153.30 
  Humphreys, Jerry G 2082 ENG0.5010.03150.45 
  Baptie, Justin P 2095 ENG1.0010.55158.25 

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)
 
 e2e4.org.uk Warrington Congress Open Warrington, Cheshire ENG 2010-05-07
RcRownchangeKK*chgGame
 1949 2046 1.00 3 -0.90 15 -13.50 
  Wynarczyk, Raymond 1936 ENG0.001-0.6515-9.75 
  Webb, Matthew 2020 ENG0.501-0.0415-0.60 
  Burke, Mitchell R 1891 ENG0.501-0.2115-3.15 

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)
 
 e2e4.org.uk Sunningdale Congress Sunningdale, Berkshire ENG 2010-05-28
RcRownchangeKK*chgGame
 2072 2046 1.50 5 -0.89 15 -13.35 
  Slavin, Alexei f2374 RUS0.001-0.1315-1.95 
  Kane, Robert 1882 ENG1.0010.28154.20 
  Millward, Kevin P 1968 ENG0.501-0.1115-1.65 
  De Coverly, Roger D 2116 ENG0.001-0.4015-6.00 
  Shepley, Julien M 2022 ENG0.001-0.5315-7.95 

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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