Individual Calculations April 2019
 Lutz, Christopher  Total change: 2.50  Rating chartPersonal card
 Oberliga NRW 2018/2019 March 2019 various GER 2019-03-17
 2335 2531 1.00 1 0.25 10 2.50 
  Webb, Laurence E f2335 ENG1.0010.25102.50 

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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