Individual Calculations September 2009
 Van Eijk, Sander  Total change: 4.65  Rating chartPersonal card
 Intomart GfK Open 2009 Hilversum NED 2009-06-28
RcRownchangeKK*chgGame
 2269 2319 5.00 9 -0.03 15 -0.45 
  Pienabarca, Nicola 2092 ITA1.0010.21153.15 
  Giri, Anish f2517 NED0.001-0.2415-3.60 
  Henseler, Jorgen 2097 NED1.0010.22153.30 
  Bitalzadeh, Ali m2417 NED0.001-0.3715-5.55 
  In`t Veld, Daan 2168 NED0.501-0.2015-3.00 
  Van Der Lende, Ilias 2043 NED1.0010.17152.55 
  Hopman, Pieter 2325 NED0.001-0.4915-7.35 
  Miedema, Roi f2370 NED1.0010.57158.55 
  Slingerland, Fred m2389 NED0.5010.10151.50 

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)
 
 Dutch Open Dieren NED 2009-07-21
RcRownchangeKK*chgGame
 2266 2338 5.00 9 -0.31 15 -4.65 
  Mellema, Andries 2110 NED1.0010.21153.15 
  Nijboer, Friso g2552 NED0.001-0.2315-3.45 
  Van Leent, Dimitri f2192 NED1.0010.30154.50 
  Duijker, Rick 2240 NED1.0010.37155.55 
  Adhiban, B. m2481 IND0.001-0.3115-4.65 
  Blees, Enrico 2130 NED1.0010.23153.45 
  Lalith, Babu M.r. m2472 IND0.001-0.3215-4.80 
  Wilgenhof, Otto 2207 NED0.001-0.6815-10.20 
  Beukema, Stefan 2007 NED1.0010.12151.80 

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)
 
 Hogeschool Zeeland Chess Tournament 2009 Vlissingen NED 2009-08-01
RcRownchangeKK*chgGame
 2344 2338 4.50 8 0.65 15 9.75 
  Vandevenne, Sander 2043 BEL1.0010.15152.25 
  Ernst, Sipke g2598 NED0.5010.32154.80 
  Ten Hagen, Yorick 2150 NED1.0010.26153.90 
  Kogan, Artur g2542 ISR0.5010.26153.90 
  Karthikeyan, P. m2478 IND0.5010.19152.85 
  Zaragatski, Ilja m2472 GER0.5010.18152.70 
  Bosch, Jeroen m2456 NED0.5010.16152.40 
  Foo, Benjamin 2011 SIN0.001-0.8715-13.05 

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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