Individual Calculations May 2023
 Pettersson, Lars-Ake  Total change: 11.60  Rating chartPersonal card
 Seniorserien vt 2023 Klass 1 R6789 Stockholm SWE 2023-03-01
RcRownchangeKK*chgGame
 1601 1599 2.00 4 0.02 20 0.40 
  Bjorkdahl, Goran 1661 SWE0.5010.09201.80 
  Persson, Kjell 1598 SWE0.5010.00200.00 
  Andersson, Lars-Owe 1568 SWE0.501-0.0420-0.80 
  Lehvonen, Jouko 1578 SWE0.501-0.0320-0.60 

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)
 
 Seniorschack Stockholm KM 2023 R6789 Stockholm SWE 2023-03-02
RcRownchangeKK*chgGame
 1683 1599 1.00 4 -0.57 20 -11.40 
  Gunnarsson, Lennart 1769 SWE0.001-0.2820-5.60 
  Dillen, Sten 1459 SWE0.501-0.1920-3.80 
  Westrom, Hans 1710 SWE0.5010.15203.00 
  Silins, Peter 1794 SWE0.001-0.2520-5.00 

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)
 
 Seniorserien vt 2023 Klass 1 R10 12 Stockholm SWE 2023-04-05
RcRownchangeKK*chgGame
 1661 1639 1.50 2 0.57 20 11.40 
  Aberg, Lars-Erik 1629 SWE1.0010.49209.80 
  Gustavsson, Veine 1693 SWE0.5010.08201.60 

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)
 
 Seniorschack Stockholm KM 2023 R10,11 Stockholm SWE 2023-04-06
RcRownchangeKK*chgGame
 1444 1639 2.00 2 0.56 20 11.20 
  Jansson, Arne 1287 SWE1.0010.11202.20 
  Cederstrom, Jan-Olof 1600 SWE1.0010.45209.00 

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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