Individual Calculations April 2014
 Bosma, Achim  Total change: -9.30  Rating chartPersonal card
 Deutsche Amateurmeisterschaft RAMADA-Cup 2013/14 5(6) C Bruehl GER 2014-02-28
RcRownchangeKK*chgGame
 1778 1894 2.00 4 -0.62 15 -9.30 
  Wundahl, Juergen 1794 GER0.501-0.1415-2.10 
  Kiefer, Markus 1789 GER0.501-0.1415-2.10 
  Sherif, Amina wc1732 EGY0.001-0.7115-10.65 
  Schreiber, Ralf 1796 GER1.0010.37155.55 

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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