Individual Calculations December 2017
 Pettersson, Alexander  Total change: 3.60  Rating chartPersonal card
 Lag-DM 2017/18 Div 2 R 1-2 Stockholm SWE 2017-10-02
RcRownchangeKK*chgGame
 2140 2039 1.00 1 0.64 20 12.80 
  Eriksson, Dan 2140 SWE1.0010.642012.80 

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)
 
 Div II 3 2017-18 R12 Sweden SWE 2017-10-14
RcRownchangeKK*chgGame
 1927 2039 0.50 1 -0.15 20 -3.00 
  Ornmarker, Lennart 1927 SWE0.501-0.1520-3.00 

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)
 
 Div I Norra 2017-18 R12 Sweden SWE 2017-10-21
RcRownchangeKK*chgGame
 2064 2039 1.00 2 0.06 20 1.20 
  Carlsson, Lars Goran 1967 SWE0.501-0.1020-2.00 
  Dedorson, Tomas 2160 SWE0.5010.16203.20 

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)
 
 Malta Open 2017 Bugibba MLT 2017-11-19
RcRownchangeKK*chgGame
 1926 2008 5.00 9 -0.37 20 -7.40 
  Refalo, Ian 1608  * MLT1.0010.08201.60 
  Dietmayer, Marco f2272 AUT0.001-0.1820-3.60 
  Jernselius, Kjell 1782 SWE1.0010.21204.20 
  Dukaczewski, Piotr m2209 POL0.001-0.2420-4.80 
  Qwarfort, Fredrik 1833 SWE0.501-0.2320-4.60 
  Mikelsen, Mattis 1799 NOR0.501-0.2720-5.40 
  Tsiapouris, Michael 1864 GER1.0010.31206.20 
  Thuesen, Mogens 2181 DEN0.001-0.2720-5.40 
  Alexa, Cosmin 1785 MLT1.0010.22204.40 
 * 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)
 

 

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