Individual Calculations December 2018
 Cordsen, Heinrich  Total change: -22.20  Rating chartPersonal card
 2. RSM Schach-Open Leer 2018 B-Turnier Leer GER 2018-11-01
RcRownchangeKK*chgGame
 1488 1727 2.00 4 -1.11 20 -22.20 
  Gerdes, Jannes 1336 GER0.501-0.4120-8.20 
  Roncea, Andreea-Alexandra 1487 GER0.501-0.3020-6.00 
  Ulrich, Thomas 1676 GER1.0010.43208.60 
  Goldbeck, Kilian 1452 GER0.001-0.8320-16.60 

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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