Individual Calculations July 2011
 Costello, Colin A  Total change: -27.30  Rating chartPersonal card
 6. Ried-Open Einhausen GER 2011-04-28
RcRownchangeKK*chgGame
 1849 1965 1.50 4 -1.07 15 -16.05 
  Meiser, Markus 2210 GER0.001-0.2015-3.00 
  Bladt, Johannes 1692 GER0.501-0.3315-4.95 
  Perske, Thore 1808 GER0.001-0.7115-10.65 
  Weindel, Joshua 1687 GER1.0010.17152.55 

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 Sunningdale Open 2011 Sunningdale ENG 2011-05-27
RcRownchangeKK*chgGame
 2158 1983 1.00 5 -0.39 15 -5.85 
  Shaw, Peter 2165 ENG1.0010.741511.10 
  Haydon, David L 2283 ENG0.001-0.1515-2.25 
  Hagesaether, Arne 2143 NOR0.001-0.2915-4.35 
  Pleasants, Allan J 2066 WLS0.001-0.3915-5.85 
  Bonafont, Philip R 2135 ENG0.001-0.3015-4.50 

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)
 
 58.offene Koelner Stadtmeisterschaft Vormeister 1 Koeln GER 2011-06-02
RcRownchangeKK*chgGame
 2033 1983 0.50 2 -0.36 15 -5.40 
  Hack, Thomas 2056 GER0.5010.10151.50 
  Kremser, Michael 2009 GER0.001-0.4615-6.90 

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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