Individual Calculations September 2023
 Oppermann, Peter  Total change: -4.20  Rating chartPersonal card
 Lichtenberger Sommer 2023 Berlin GER 2023-08-12
RcRownchangeKK*chgGame
 1830 1796 3.50 8 -0.21 20 -4.20 
  Holinka, Henning 2241 GER0.001-0.0620-1.20 
  Ruddat, Mathias 1514 GER1.0010.16203.20 
  Boeddeker, Henry 2063 GER0.001-0.1820-3.60 
  Kellner, Rene 1478 GER0.501-0.3720-7.40 
  Allgaier, Erik 1922 GER0.001-0.3320-6.60 
  Berndt, Ronson 1543 GER1.0010.19203.80 
  Hess, Juergen 1922 GER1.0010.672013.40 
  Heerde, Thomas 1956 GER0.001-0.2920-5.80 

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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