Individual Calculations September 2023
 Roehrbacher, Franz  Total change: -22.60  Rating chartPersonal card
 tschaturanga Sommer Cup 2023 Group B Round 3-6 Vienna AUT 2023-07-31
RcRownchangeKK*chgGame
 1613 1649 2.00 3 0.35 20 7.00 
  Schwarhofer, Barbara 1623 AUT1.0010.46209.20 
  Kurtulush, Emre 1567 AUT0.501-0.1120-2.20 
  Ruck, Helmut 1650 AUT0.5010.00200.00 

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)
 
 2. Wiener Amateurschachklub Open 2023 Gruppe B Vienna AUT 2023-08-11
RcRownchangeKK*chgGame
 1681 1674 0.50 4 -1.48 20 -29.60 
  Giacometto, Mario 1867 ITA0.001-0.2520-5.00 
  Kaufmann, Robert 1552 AUT0.001-0.6720-13.40 
  Schwarhofer, Barbara 1623 AUT0.501-0.0720-1.40 
  Brueggeboes, Anton 1680 GER0.001-0.4920-9.80 

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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