Individual Calculations September 2023
 Wolfram, Mike  Total change: 12.40  Rating chartPersonal card
 Hennefer Elo-Sommer-Open 2023 Hennef GER 2023-07-28
RcRownchangeKK*chgGame
 1836 1501 1.00 3 0.62 20 12.40 
  Tuhacek, Christian 1919 GER0.001-0.0720-1.40 
  Titz, Peter 1850 GER0.001-0.1120-2.20 
  Anders, Hartmut 1740 NED1.0010.802016.00 

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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