Individual Calculations September 2013
 De Jager, Jaap  Total change: 1.10  Rating chartPersonal card
 BDO Challenger Tournament 2013 Haarlem NED 2013-08-17
RcRownchangeKK*chgGame
 2330 2404 5.50 9 0.11 10 1.10 
  Afek, Yochanan m2315 ISR1.0010.38103.80 
  Meng, Roger f2307 NED1.0010.37103.70 
  Akshat, Khamparia m2354 IND1.0010.43104.30 
  Kuijf, Marinus m2422 NED0.5010.03100.30 
  Buchal, Stephan f2296 GER0.501-0.1510-1.50 
  Pijpers, Arthur 2364 NED0.001-0.5610-5.60 
  Tan, Justin f2322 AUS0.501-0.1110-1.10 
  Lahaye, Rick 2376 NED0.501-0.0410-0.40 
  De Ruiter, Danny 2216 NED0.501-0.2410-2.40 

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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