Individual Calculations March 2013
 Bosma, Achim  Total change: 14.70  Rating chartPersonal card
 Deutsche Amateurmeisterschaft RAMADA Cup 2012/2013 5C Bruehl-Koeln GER 2013-02-08
RcRownchangeKK*chgGame
 1870 1873 3.00 4 0.98 15 14.70 
  Schreiber, Ralf 1803 GER1.0010.40156.00 
  Weinmann-Musset, Manfred 1881 GER1.0010.51157.65 
  Gutt, Stefan 1899 GER0.001-0.4615-6.90 
  Schott, Detlef 1898 GER1.0010.53157.95 

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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