Individual Calculations February 2015
 Wittkugel, Friedhelm  Total change: 7.00  Rating chartPersonal card
 34. Erfurter Schachfestival Seniorenturnier Erfurt GER 2014-12-26
RcRownchangeKK*chgGame
 1885 1919 3.00 5 0.35 20 7.00 
  Conitz, Helmut 1606 GER1.0010.14202.80 
  Kroencke, Manfred 1996 GER0.5010.11202.20 
  Roos, Hans-Goerg 1973 GER0.5010.08201.60 
  Gebuhr, Guenter 1968 GER1.0010.572011.40 
  Prachar, Josef 1884 CZE0.001-0.5520-11.00 

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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