Individual Calculations July 2008
 Widera, Jan  Total change: 9.75  Rating chartPersonal card
 Chorzow 2008 Chorzow POL 2008-03-29
RcRownchangeKK*chgGame
 2069 2109 5.50 9 0.65 15 9.75 
  Hendel, Kazimierz 1759 POL1.0010.11151.65 
  Kaczmarek, Aleksander 1835 POL0.501-0.3315-4.95 
  Bobecki, Tadeusz 1896 POL1.0010.23153.45 
  Gola, Karol 2154 POL1.0010.56158.40 
  Szczyrba, Daniel 2178 POL0.5010.10151.50 
  Morkisz, Bogdan 2132 POL1.0010.53157.95 
  Mulet, Piotr 2313 POL0.5010.26153.90 
  Osipow, Nikolaj 2216 POL0.001-0.3515-5.25 
  Banasik, Henryk 2138 POL0.001-0.4615-6.90 

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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