Individual Calculations March 2023
 Harff, Marcel  Total change: -13.00  Rating chartPersonal card
 Deutsche Schach-Pokalmeisterschaft fuer Mannschaften 2023 Vorrunde various GER 2023-01-28
RcRownchangeKK*chgGame
 2228 2327 1.50 2 0.23 10 2.30 
  Schulenburg, Torben 2222 GER1.0010.36103.60 
  Eichstaedt, Mirko c2234 GER0.501-0.1310-1.30 

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. Bundesliga West 2022-2023 February 2023 various GER 2023-02-04
RcRownchangeKK*chgGame
 2299 2327 0.50 2 -0.58 10 -5.80 
  Berg, Michael f2323 GER0.501-0.0110-0.10 
  Dolzhykova, Kateryna wm2275 UKR0.001-0.5710-5.70 

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)
 
 NRW-Klasse 3 2022-2023 February 2023 various GER 2023-02-05
RcRownchangeKK*chgGame
 2226 2327 0.00 1 -0.64 10 -6.40 
  Kraemer, Matthias 2226 GER0.001-0.6410-6.40 

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)
 
 Dutch Team Competition 2022-2023 - Klasse 2 Round 6 Various NED 2023-02-11
RcRownchangeKK*chgGame
 1965 2327 1.00 1 0.10 10 1.00 
  Roskam, Mathieu 1965 NED1.0010.10101.00 

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)
 
 Belgian Interclubs 2022-2023 Ronde 7 Various Places BEL 2023-02-12
RcRownchangeKK*chgGame
 2389 2327 0.00 1 -0.41 10 -4.10 
  De Schampheleire, Glen m2389 BEL0.001-0.4110-4.10 

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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