Individual Calculations February 2023
 Offermann, Fernando  Total change: -55.40  Rating chartPersonal card
 3. Berlin Mitte - Neujahrs-Open Berlin GER 2023-01-03
RcRownchangeKK*chgGame
 1889 2120 4.50 7 -0.93 20 -18.60 
  Mayer, Herbert, Dr. 1787 GER0.501-0.3820-7.60 
  Boehme, Andre 1749 GER1.0010.10202.00 
  Suendorf, Dominik 1842 GER0.501-0.3320-6.60 
  Cinar, Kasim 1941 GER1.0010.27205.40 
  Hammann, Jonas 1995 GER0.001-0.6720-13.40 
  Heinke, Jasper 2037 GER0.501-0.1120-2.20 
  Dieckow, Erik 1871 GER1.0010.19203.80 

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)
 
 Vereinsmeisterschaft Schachfreunde Berlin 2024 January 2023 Berlin GER 2023-01-11
RcRownchangeKK*chgGame
 1801 2120 1.00 2 -0.72 20 -14.40 
  Besombes, Romain 1854 FRA0.001-0.8220-16.40 
  Mumme, Eberhard 1747 GER1.0010.10202.00 

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)
 
 Deutsche Schach-Amateurmeisterschaft 2022-2023 Q3 A Bad Wildungen GER 2023-01-27
RcRownchangeKK*chgGame
 2094 2120 1.00 4 -1.12 20 -22.40 
  Quast, Marcel 2189 GER0.001-0.4020-8.00 
  Ruppert, Wolfgang 2144 GER0.001-0.4720-9.40 
  Kerz, Markus 2120 GER1.0010.502010.00 
  Siegert, Gregor 1923 GER0.001-0.7520-15.00 

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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