Individual Calculations February 2019
 Koehler, Ingo  Total change: -25.60  Rating chartPersonal card
 28. Erfurter Schachfestival Hauptturnier Erfurt GER 2018-12-26
RcRownchangeKK*chgGame
 1612 1708 3.00 7 -1.28 20 -25.60 
  Schwarz, Hilmar 1901 GER0.001-0.2520-5.00 
  Bohrer, Katharina 1308  * GER0.501-0.4220-8.40 
  Metzner, Nikolaus 1553 GER1.0010.29205.80 
  Poelsterl, Hans 1912 GER0.001-0.2420-4.80 
  Geletzke, Hannah 1577 GER0.501-0.1820-3.60 
  Kalina, Lena 1449 GER0.001-0.8220-16.40 
  Bodling, Florian 1587 GER1.0010.34206.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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