Individual Calculations November 2011
 Wiering, Jelle  Total change: 6.30  Rating chartPersonal card
 Open BDO Chess Tournament Haarlem NED 2011-08-20
RcRownchangeKK*chgGame
 1977 2044 4.50 7 0.42 15 6.30 
  Majhi, Ankit 1762 NED0.501-0.3415-5.10 
  Vos, Tjark 1842 NED0.001-0.7615-11.40 
  Bloem, Mark 1907 NED1.0010.32154.80 
  Vlugt, Frans 2011 NED0.501-0.0515-0.75 
  Haver, Bas 2023 NED1.0010.47157.05 
  Markus, John Raymond 2137 NED1.0010.63159.45 
  Havenaar, Jan 2156 NED0.5010.15152.25 

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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