Individual Calculations September 2009
 Vogel, Jaap  Total change: -23.70  Rating chartPersonal card
 Intomart GfK Open 2009 Hilversum NED 2009-06-28
RcRownchangeKK*chgGame
 2197 2234 5.00 9 -0.04 15 -0.60 
  Kampman, Tijmen 2009 NED1.0010.22153.30 
  Pavlovic, Milos g2511 SRB0.5010.33154.95 
  L`ami, Erwin g2584 NED0.001-0.1115-1.65 
  Dek, Lennart 2179 NED0.001-0.5815-8.70 
  Goudriaan, Etienne 2104 NED0.501-0.1815-2.70 
  Pienabarca, Nicola 2092 ITA1.0010.31154.65 
  In`t Veld, Daan 2168 NED0.001-0.5915-8.85 
  Beukema, Stefan 2009 NED1.0010.22153.30 
  Mellema, Andries 2117 NED1.0010.34155.10 

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)
 
 Veteranen Seniorenkampioenschap 2009 Oosterbeek NED 2009-07-11
RcRownchangeKK*chgGame
 2116 2237 5.00 7 0.37 15 5.55 
  Landsbergen, Ron 2054 NED1.0010.26153.90 
  Etmans, Maarten f2161 NED1.0010.40156.00 
  Goossen, Theo 2054 NED1.0010.26153.90 
  Van Oosten, Arend 2148 NED0.501-0.1215-1.80 
  Monte, Peter 2104 NED0.501-0.1815-2.70 
  Van Den Berg, Ad 2197 NED0.501-0.0615-0.90 
  Van Leeuwen, Etienne 2093 BEL0.501-0.1915-2.85 

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)
 
 Dutch Open Dieren NED 2009-07-21
RcRownchangeKK*chgGame
 2063 2237 4.50 9 -1.91 15 -28.65 
  Nicolai, Amir 1837  * NED0.501-0.4215-6.30 
  De Ruiter, Danny 2003 NED0.501-0.2915-4.35 
  Goudriaan, Etienne 2107 NED0.501-0.1815-2.70 
  Ypma, Peter 2012 NED0.501-0.2815-4.20 
  Lalith, Babu M.r. m2472 IND0.001-0.2115-3.15 
  Boulahfa, Hicham 2022 NED0.501-0.2715-4.05 
  Kabos, Tobias 2122 NED1.0010.34155.10 
  Beukema, Stefan 2007 NED0.501-0.2915-4.35 
  Van Der Knijff, Reint 1989 NED0.501-0.3115-4.65 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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