Individual Calculations February 2023
 Koski, Viljo  Total change: -9.40  Rating chartPersonal card
 Karlstad Open 2022 std Karlstad SWE 2022-12-27
RcRownchangeKK*chgGame
 1750 1867 3.50 6 -0.33 20 -6.60 
  Bjornstad, Hallvard Foss 1467  * NOR0.001-0.9220-18.40 
  Muntean, Felix 1602 SWE1.0010.18203.60 
  Andersson, Jan 1948 1735 SWE1.0010.32206.40 
  Ronneland, Daniel 2195 SWE0.001-0.1320-2.60 
  Westerlund, Ola 1895 SWE0.5010.04200.80 
  Engedal, Jo Fronsdal 1603 NOR1.0010.18203.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 Allsv Div I 3 2022-23 R4 Sweden SWE 2023-01-15
RcRownchangeKK*chgGame
 2174 1859 0.00 1 -0.14 20 -2.80 
  Fendrich, David 2174 SWE0.001-0.1420-2.80 

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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