Individual Calculations June 2015
 Bit-Narva, David  Total change: -17.20  Rating chartPersonal card
 Stockholm Elo Challenge 2015 Stockholm SWE 2015-05-13
RcRownchangeKK*chgGame
 1949 2134 6.00 9 -0.43 40 -17.20 
  Bergstrom, Goran 1734  * SWE0.501-0.4240-16.80 
  Cao-Zhang, Lina 1734  * SWE1.0010.08403.20 
  Mayrany, Fargalla 1934 SWE0.001-0.7640-30.40 
  Dyrnes, Jussi 1803 NOR1.0010.12404.80 
  Jansson, Gilbert 1955 SWE1.0010.274010.80 
  Isaksson, Per 2066 SWE0.501-0.0940-3.60 
  Tsyhanchuk, Stanislav m2370 BLR0.001-0.2040-8.00 
  Verendel, Jan 1936 SWE1.0010.24409.60 
  Backman, Michael 2007 SWE1.0010.334013.20 
 * 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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