Individual Calculations December 2018
 Heidarsson, Arnar  Total change: -13.20  Rating chartPersonal card
 Hasselbacken Open 2018 lang Stockholm SWE 2018-11-03
RcRownchangeKK*chgGame
 1950 1850 1.00 4 -0.49 40 -19.60 
  Ask, Josef f2143 SWE0.001-0.1540-6.00 
  Olsson, William 2031 SWE0.001-0.2640-10.40 
  Ostlund, Anders 2004 SWE0.001-0.2940-11.60 
  Slettum, Karl Anker 1623 NOR1.0010.21408.40 

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)
 
 Icelandic Team Chess Championship 2018-19 2nd division Round 1-4 Reykjavik ISL 2018-11-09
RcRownchangeKK*chgGame
 1832 1850 1.50 3 -0.07 40 -2.80 
  Haraldsson, Haraldur 1958 ISL0.5010.15406.00 
  Sigurdsson, Arnljotur 1774 ISL0.001-0.6040-24.00 
  Hauksdottir, Hrund 1765 ISL1.0010.384015.20 

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)
 
 Icelandic Team Chess Championship 2018-19 3rd division Round 1-4 Reykjavik ISL 2018-11-09
RcRownchangeKK*chgGame
 2022 1850 0.50 1 0.23 40 9.20 
  Jonsson, Pall Leo 2022 ISL0.5010.23409.20 

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)
 

 

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