Individual Calculations April 2009
 Siemaszko, Robert  Total change: 18.50  Rating chartPersonal card
 VII New Year Festival B Koszalin POL 2009-01-17
RcRownchangeKK*chgGame
 1817 1846 4.50 7 0.74 25 18.50 
  Jacek, Roksana 1643 POL0.501-0.2625-6.50 
  Karwowski, Kacper 1781 POL0.501-0.0925-2.25 
  Adamowicz, Maciej 1838 POL0.501-0.0125-0.25 
  Karski, Lukasz 1963 POL0.5010.16254.00 
  Lebiedowicz, Borys 1770 POL1.0010.402510.00 
  Guca, Krzysztof 1813 POL0.501-0.0525-1.25 
  Piotrowski, Arkadiusz 1914 POL1.0010.592514.75 

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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