Individual Calculations December 2018
 Olafsson, Helgi  Total change: -1.70  Rating chartPersonal card
 Icelandic Team Chess Championship 2018-19 1st division Round 1-5 Reykjavik ISL 2018-11-08
RcRownchangeKK*chgGame
 2378 2513 2.50 4 -0.17 10 -1.70 
  Nagy, Gabor m2464 HUN0.501-0.0710-0.70 
  Karlsson, Bjorn-Ivar f2339 ISL1.0010.27102.70 
  Thybo, Jesper Sondergaard m2511 DEN0.001-0.5010-5.00 
  Olafsson, Thorvardur 2196 ISL1.0010.13101.30 

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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