Individual Calculations November 2010
 Breedveld, Andre  Total change: 11.70  Rating chartPersonal card
 Open BDO Tournament Haarlem NED 2010-08-21
RcRownchangeKK*chgGame
 2081 2105 4.50 7 0.78 15 11.70 
  Van De Peut, Aart 1989 NED1.0010.34155.10 
  Roorda, Thijs 2022 NED0.501-0.1115-1.65 
  Bakker, Joop 2019 NED1.0010.38155.70 
  Duchene, Rene 2204 NED0.5010.14152.10 
  Boulahfa, Hicham 2064 NED0.501-0.0615-0.90 
  Blees, Enrico 2167 NED1.0010.59158.85 
  Middelveld, Martine 2102 NED0.001-0.5015-7.50 

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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