Individual Calculations January 2010
 Zilch, Lothar  Total change: -21.90  Rating chartPersonal card
 Schach am Rhein Open Bad Breisig GER 2009-11-21
RcRownchangeKK*chgGame
 1993 2043 2.50 7 -1.46 15 -21.90 
  Stuch, Hans-Ferdinand 1965 GER1.0010.39155.85 
  Wempe, Juergen 2176 GER0.001-0.3215-4.80 
  Zirwes, Hans Juergen 1933 GER0.501-0.1515-2.25 
  Buchaeckert, Juergen 1991 GER0.001-0.5715-8.55 
  Klein, Gereon 1931 GER0.501-0.1515-2.25 
  Becher, Helmut, Dr. 2117 GER0.5010.10151.50 
  Konstantinowskij, Dimitrij 1839 GER0.001-0.7615-11.40 

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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