Individual Calculations June 2013
 Sowray, Peter J  Total change: -30.15  Rating chartPersonal card
 4NCL 2012-13 Various ENG 2012-11-03
RcRownchangeKK*chgGame
 2364 2362 5.50 11 0.04 15 0.60 
  Buckley, Graeme N m2352 ENG1.0010.49157.35 
  Pert, Nicholas g2557 ENG0.5010.25153.75 
  Sreeves, Clement 2223 SCO0.001-0.6915-10.35 
  Arkell, Keith Cc g2462 ENG0.5010.14152.10 
  Coates, Kenneth G 2184 ENG1.0010.27154.05 
  Devereaux, Maxim L m2367 NOR1.0010.51157.65 
  Bisby, Daniel L f2288 ENG0.001-0.6015-9.00 
  Hunt, Adam C m2431 ENG0.001-0.4015-6.00 
  Thomas, Nicholas f2283 ENG0.501-0.1115-1.65 
  Greet, Andrew N m2438 ENG1.0010.60159.00 
  Cobb, James E m2423 WLS0.001-0.4215-6.30 

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 Solihull Open April 2013 Birmingham ENG 2013-04-26
RcRownchangeKK*chgGame
 2251 2368 2.00 4 -0.53 15 -7.95 
  Burrows, Martin P 2144 ENG1.0010.22153.30 
  Slavin, Alexey m2373 RUS0.5010.01150.15 
  Huq, Robin 2023 ENG0.501-0.3915-5.85 
  Arkell, Keith C g2465 ENG0.001-0.3715-5.55 

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 Nottingham Open May 2013 Nottingham ENG 2013-05-10
RcRownchangeKK*chgGame
 2152 2365 3.50 5 -0.19 15 -2.85 
  Jaszkiwskyj, Peter 1979 ENG1.0010.09151.35 
  Savage, Nicholas W 2024 ENG0.501-0.3815-5.70 
  Steinwachs, Christian 2104 GER1.0010.18152.70 
  Hebden, Mark L g2537 ENG0.001-0.2715-4.05 
  Surtees, Mike J 2116 ENG1.0010.19152.85 

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)
 
 e2e4 Sunningdale Open May 2013 Sunningdale ENG 2013-05-24
RcRownchangeKK*chgGame
 2113 2365 3.50 6 -1.33 15 -19.95 
  Fegan, Chris 2011 ENG1.0010.11151.65 
  Tozer, Philip A A 2165 ENG0.501-0.2615-3.90 
  Burrows, Martin P 2144 ENG0.501-0.2815-4.20 
  Bonafont, Philip R 2073 ENG0.501-0.3515-5.25 
  Bridge, Neil A 2075 ENG1.0010.16152.40 
  Poobalasingam, Peter S f2211 ENG0.001-0.7115-10.65 

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)
 

 

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