Individual Calculations October 2019
 Bosbach, Stefan  Total change: -7.00  Rating chartPersonal card
 NRW-Klasse 4 2019/2020 September 2019 various GER 2019-09-08
RcRownchangeKK*chgGame
 2280 2169 0.00 1 -0.35 20 -7.00 
  Rechmann, Peter f2280 GER0.001-0.3520-7.00 

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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