Individual Calculations January 2009
 Tyrka, Jacek  Total change: -23.85  Rating chartPersonal card
 DMP Ma³opolska III liga 2008 Krakow POL 2008-10-18
RcRownchangeKK*chgGame
 1944 2053 3.50 8 -1.59 15 -23.85 
  Popiolek, Hubert 2141 POL0.001-0.3815-5.70 
  Deren, Marcin 2019 POL1.0010.45156.75 
  Jackowski, Dariusz 1767 POL0.501-0.3415-5.10 
  Wierzbicka, Wiktoria 2056 POL0.001-0.5015-7.50 
  Knapik, Lucjan 1933 POL1.0010.34155.10 
  Mucha, Krzysztof 1836 POL0.501-0.2815-4.20 
  Marczuk, Dominik 1773 POL0.001-0.8415-12.60 
  Jewulski, Krzysztof 2027 POL0.501-0.0415-0.60 

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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