Individual Calculations April 2022
 Harke, Horst  Total change: -8.20  Rating chartPersonal card
 37. ChessOrg-Schachfestival Senioren Bad Woerishofen GER 2022-03-11
RcRownchangeKK*chgGame
 1677 1757 2.00 4 -0.41 20 -8.20 
  Wraga, Teresa 1553 GER0.501-0.2620-5.20 
  Zoll, Detlef 1914 GER0.001-0.2920-5.80 
  Koppenhoefer, Heinz 1565 GER1.0010.25205.00 
  Goris-Schouwstra, Adry 1677 NED0.501-0.1120-2.20 

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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