Individual Calculations August 2012
 Geertsema, Piet  Total change: 4.65  Rating chartPersonal card
 2e Science Park Schaaktoernooi - Group B Amsterdam NED 2012-07-14
RcRownchangeKK*chgGame
 1911 1975 5.00 8 0.31 15 4.65 
  Van Sonderen, Paul 1905 NED1.0010.40156.00 
  Stolwijk, Colin 1933 NED0.001-0.5615-8.40 
  Van Leusden, Dennis 1945 NED0.501-0.0415-0.60 
  Hartgers, Leendert 1858 NED1.0010.34155.10 
  Welch, Wayne 1830 NED1.0010.31154.65 
  Kazarian, Anna Maja 1838 NED0.501-0.1815-2.70 
  Spiler, Angelo 2016 NED0.001-0.4415-6.60 
  Van Dongen, Rob 1963 NED1.0010.48157.20 

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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