Individual Calculations April 2017
 Kamphausen, Johannes-Dieter  Total change: -5.20  Rating chartPersonal card
 15. Bayer Open February games Leverkusen GER 2017-02-01
 2083 1903 0.00 1 -0.26 20 -5.20 
  Guelsen, Taylan 2083 GER0.001-0.2620-5.20 

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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