Individual Calculations October 2023
 Halvorsen, Frode  Total change: -17.40  Rating chartPersonal card
 Kragero Grand Prix 2023 B Kragero NOR 2023-09-01
RcRownchangeKK*chgGame
 1336 1385 1.50 4 -0.78 20 -15.60 
  Yilmaz, Kazim 1609 NOR0.001-0.2220-4.40 
  Halvorsen, Ole Einar 1270 NOR0.001-0.6620-13.20 
  Schjott-Bugge, Henrik 1258 NOR0.501-0.1720-3.40 
  Hestholm, Freddy 1208 NOR1.0010.27205.40 

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)
 
 PSK Open Langsjakk Host 2023 B R 1-2 Porsgrunn NOR 2023-09-21
RcRownchangeKK*chgGame
 1114 1385 2.00 2 0.35 20 7.00 
  Jullum, Hege Ibsen 1099 NOR1.0010.16203.20 
  Amundsen, Noah Jullum 1129 NOR1.0010.19203.80 

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)
 
 Porsgrunn Grand Prix 2023 B Porsgrunn NOR 2023-09-24
RcRownchangeKK*chgGame
 1211 1385 1.00 2 -0.44 20 -8.80 
  Blomquist, Linus Valentin 1121 NOR0.001-0.8220-16.40 
  Kristiansen, David 1301 NOR1.0010.38207.60 

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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