Individual Calculations May 2011
 Kovacs, Istvan  Total change: -17.70  Rating chartPersonal card
 Hajdu-Bihar Megyei CSB Hajdu-Bihar Region HUN 2010-10-17
RcRownchangeKK*chgGame
 1861 1978 4.00 8 -1.18 15 -17.70 
  Juhasz, Mihaly Jr 1713 HUN0.501-0.3215-4.80 
  Arva, Karoly 1928 HUN0.001-0.5715-8.55 
  Kovacs, Attila Istvan 1920 HUN0.501-0.0815-1.20 
  Donka, Mate Salamon 1728 HUN1.0010.19152.85 
  Gal, Csaba 1867 HUN1.0010.35155.25 
  Baranyai, Antal 1758 HUN1.0010.22153.30 
  Toviskes, Antal 2072 HUN0.001-0.3715-5.55 
  Bobak, Sandor 1904 HUN0.001-0.6015-9.00 

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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