Individual Calculations April 2023
 Grettisson, Arnar Breki  Total change: 40.20  Rating chartPersonal card
 Icelandic Team Championship 2022-23 - 2nd div. Round 5-7 Reykjavik ISL 2023-03-18
RcRownchangeKK*chgGame
 1748 1528 2.00 2 1.56 20 31.20 
  Ingvarsson, Kjartan 1760 ISL1.0010.792015.80 
  Hauksson, Bjorgvin Jonas 1735 ISL1.0010.772015.40 

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 Championship 2022-23 - 3rd div. Round 5-7 Reykjavik ISL 2023-03-18
RcRownchangeKK*chgGame
 1999 1528 0.50 1 0.45 20 9.00 
  Johannesson, Gisli Holmar 1999 ISL0.5010.45209.00 

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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