Individual Calculations April 2008
 Pietrzak, Wojciech  Total change: -1.05  Rating chartPersonal card
 XXXXI YMCA Autumn 2007B Warszawa POL 2007-09-26
RcRownchangeKK*chgGame
 1970 1938 4.50 10 -0.07 15 -1.05 
  Kadzinski, Wieslaw 2006 POL1.0010.59158.85 
  Sielicki, Tomasz 1945 POL1.0010.51157.65 
  Prus, Marek 1914 POL0.501-0.0315-0.45 
  Gugala, Pawel 1926 POL0.001-0.5215-7.80 
  Jozwik, Jacek 2041 POL0.001-0.3615-5.40 
  Nairi, Laurent 2011 FRA1.0010.60159.00 
  Ponceleusz, Bronislaw 1980 POL0.001-0.4415-6.60 
  Rzepecka, Dorota 1896 POL1.0010.44156.60 
  Pawlowski, Michal 1939 POL0.001-0.5015-7.50 
  Krasiewicz, Robert 2042 POL0.001-0.3615-5.40 

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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