Individual Calculations July 2011
 Lacha, Jan  Total change: -14.85  Rating chartPersonal card
 XXX. Zalakaros Chess Festival HUN Men and Women Open Ch. Zalakaros HUN 2011-05-20
 2100 1953 1.50 8 -0.99 15 -14.85 
  Frink, Ferenc 2264 HUN0.001-0.1415-2.10 
  Babits, Andras 2161 HUN0.001-0.2315-3.45 
  Stifter, Ewald 2075 AUT0.5010.17152.55 
  Kabai, Zsuzsanna 2128 HUN0.001-0.2715-4.05 
  Vincze, Robert 2121 HUN0.001-0.2815-4.20 
  Zsirai, Peter 2036 HUN0.001-0.3915-5.85 
  Bea, Boglarka wf2124 HUN0.001-0.2715-4.05 
  Toplak, Stefan 1892 SLO1.0010.42156.30 

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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