Individual Calculations July 2011
 Pesek, Radomir  Total change: -20.85  Rating chartPersonal card
 XXX. Zalakaros Chess Festival HUN Men and Women Open Ch. Zalakaros HUN 2011-05-20
 2125 2067 2.00 8 -1.39 15 -20.85 
  Ianov, Viktor m2301 UKR0.001-0.2115-3.15 
  Vukovic, Ivo f2221 CRO0.001-0.2915-4.35 
  Kabai, Zsuzsanna 2128 HUN0.5010.08151.20 
  Piroska, Istvan 2147 HUN0.001-0.3915-5.85 
  Zsirai, Peter 2036 HUN0.001-0.5415-8.10 
  Porubszky-Angyalosine, Mar wm2045 HUN1.0010.47157.05 
  Vincze, Robert 2121 HUN0.001-0.4215-6.30 
  Rezsek, Gyozo 2004 HUN0.501-0.0915-1.35 

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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