Individual Calculations July 2018
 Welsch, Dieter Sen.  Total change: -0.20  Rating chartPersonal card
 ChessClassics Bad Neuenahr 2018 over 75 Bad Neuenahr GER 2018-05-23
RcRownchangeKK*chgGame
 1830 1831 4.00 8 -0.01 20 -0.20 
  Kripp, Wolfgang 2003 GER0.001-0.2720-5.40 
  Peters, Mathias 1906 BEL0.001-0.4020-8.00 
  Schmalbach, Heribert 1669 GER1.0010.29205.80 
  Lichtblau, Ernst 1723 GER1.0010.35207.00 
  Riek, Wolfgang 1957 GER0.5010.17203.40 
  Kaufmann, Helmut 1897 GER0.001-0.4120-8.20 
  Schloesser, Fritz 1831 GER0.5010.00200.00 
  Ott, Lothar 1651 GER1.0010.26205.20 

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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