Individual Calculations September 2017
 Boehm, Stefan, Dr.  Total change: -8.40  Rating chartPersonal card
 3. Bayer Sommeropen 2017 Leverkusen GER 2017-08-25
RcRownchangeKK*chgGame
 1953 2064 1.50 3 -0.42 20 -8.40 
  Alexopoulos, Spiros Orestis, Dr. 1881 GER1.0010.26205.20 
  Kueppers, Timo 2137 GER0.001-0.4020-8.00 
  Peters, Jens 1840 GER0.501-0.2820-5.60 

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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