Individual Calculations July 2009
 Sebastian, Michael  Total change: 12.15  Rating chartPersonal card
 Deutsche Amateurmeisterschaft B Magdeburg GER 2009-05-01
RcRownchangeKK*chgGame
 2019 1963 2.50 4 0.81 15 12.15 
  Brouer, Pieter 1957 GER0.501-0.0115-0.15 
  Bernhoeft, Erhard 2029 GER0.001-0.4115-6.15 
  Kemeny, Matthias 2047 GER1.0010.62159.30 
  Hagermann, Hermann 2043 GER1.0010.61159.15 

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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