Individual Calculations July 2009
 Pietzka, Martin  Total change: 9.75  Rating chartPersonal card
 Wuerttemberg Verbandsliga Sued Wuerttemberg GER 2008-09-28
RcRownchangeKK*chgGame
 1722 1846 0.00 1 -0.67 25 -16.75 
  Lerch, Matthias 1722 GER0.001-0.6725-16.75 

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)
 
 13.Internat.Neckar-Open A Deizisau GER 2009-04-09
RcRownchangeKK*chgGame
 2043 1846 2.50 9 0.27 25 6.75 
  Peschel, Andreas 2151 GER0.001-0.1425-3.50 
  Zeh, Rolf 2048 GER0.001-0.2425-6.00 
  Schwertler, Philip 2020 GER0.001-0.2725-6.75 
  Mertens, Andreas 2074 GER1.0010.792519.75 
  Fahnenschmidt, Gerhard, Dr. f2042 GER0.5010.25256.25 
  Siegle, Florian 2013 GER0.001-0.2825-7.00 
  Garbotz, Julian 2054 GER0.001-0.2325-5.75 
  Ohnmacht, Rolf 1982 GER1.0010.682517.00 
  Pelezki, Eugen 2000 GER0.001-0.2925-7.25 

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)
 
 Internationale Stuttgarter Stadtmeisterschaft Ditzingen GER 2009-05-21
RcRownchangeKK*chgGame
 2046 1846 2.50 7 0.79 25 19.75 
  Kerpe, Andreas 2084 GER0.001-0.2025-5.00 
  Siegle, Florian 2013 GER0.001-0.2825-7.00 
  Osswald, Michael 1972 GER1.0010.672516.75 
  Zeh, Rolf 2048 GER1.0010.762519.00 
  Maier, Armin 2066 GER0.5010.28257.00 
  Huhn, Stefan 2090 GER0.001-0.2025-5.00 
  Pogan, Nikolas 2050 GER0.001-0.2425-6.00 

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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