Individual Calculations March 2012
 Welz, Peter, Dr.  Total change: -16.05  Rating chartPersonal card
 36.Potsdamer Weihnachtsturnier Potsdam GER 2011-12-27
RcRownchangeKK*chgGame
 1922 2164 4.50 7 -1.07 15 -16.05 
  Haar, Reinhard 1805 GER1.0010.10151.50 
  Segerberg, Tomas 1947 SWE0.501-0.2815-4.20 
  Rennhack, Peer 1946 GER1.0010.22153.30 
  Francke, Joerg 2039 GER0.001-0.6715-10.05 
  Oelmann, Henry 1919 GER0.001-0.8015-12.00 
  Mueller, Constantin 1870 GER1.0010.15152.25 
  Gelemerov, Yane 1930 BUL1.0010.21153.15 

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)
 

 

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