Individual Calculations January 2024
 Kostowski, Ireneus, Dr.  Total change: 3.60  Rating chartPersonal card
 Deutsche Schach-Amateurmeisterschaft 2023-2024 Q1 D Duesseldorf GER 2023-12-16
RcRownchangeKK*chgGame
 1706 1764 2.50 4 0.18 20 3.60 
  Pilat, Aurelius 1641 GER0.001-0.6720-13.40 
  Fleischmann, Theo 1604 GER1.0010.29205.80 
  Wingerath, Felix 1655 GER1.0010.35207.00 
  Gehler, Rainer 1923 GER0.5010.21204.20 

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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