Individual Calculations July 2009
 Raygrotzki, Norbert  Total change: 7.50  Rating chartPersonal card
 Regionalliga Ruhrgebiet Bochum GER 2008-09-14
RcRownchangeKK*chgGame
 2192 2013 1.00 2 0.46 15 6.90 
  Schiefelbusch, Dirk 2137 GER0.5010.17152.55 
  Boehm, Juergen 2246 GER0.5010.29154.35 

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)
 
 Oster-Open 2009 Oberhausen GER 2009-04-09
RcRownchangeKK*chgGame
 2201 1996 1.00 4 0.04 15 0.60 
  Coenen, Michael 2260 GER0.001-0.1815-2.70 
  Hirth, Ulrich, Dr. 2153 GER1.0010.711510.65 
  Esser, Norbert 2237 GER0.001-0.2015-3.00 
  Wewers, Reinhard 2153 GER0.001-0.2915-4.35 

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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