Individual Calculations September 2009
 Ootes, Lars  Total change: 123.15  Rating chartPersonal card
 Dutch Open Dieren NED 2009-07-21
RcRownchangeKK*chgGame
 2430 2261 6.50 9 3.88 15 58.20 
  Meenu, Rajendran 2003 IND1.0010.18152.70 
  Bitalzadeh, Ali m2434 NED0.5010.23153.45 
  Tondivar, Babak f2372 NED0.5010.15152.25 
  Pruijssers, Roeland m2401 NED1.0010.691510.35 
  Visser, Yge g2464 NED0.5010.26153.90 
  Vovk, Andrey g2506 UKR1.0010.801512.00 
  Nijboer, Friso g2552 NED1.0010.851512.75 
  Timman, Jan H g2569 NED0.001-0.1415-2.10 
  Reinderman, Dimitri g2565 NED1.0010.861512.90 

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)
 
 University of Twente Open Dutch Youth Chess Championship 2009 Enschede NED 2009-08-03
RcRownchangeKK*chgGame
 2086 2261 7.00 8 1.20 15 18.00 
  Beukema, Stefan 2007 NED1.0010.19152.85 
  Meng, Roger 1945 NED1.0010.13151.95 
  Kabos, Tobias 2122 NED1.0010.31154.65 
  De Groote, Ewoud 2206 NED0.501-0.0815-1.20 
  Baisakow, Alexander 2115 GER1.0010.30154.50 
  Ten Vergert, Paul 2025 NED1.0010.20153.00 
  Goudriaan, Etienne 2107 NED0.501-0.2115-3.15 
  Tan, Jonathan 2162 NED1.0010.36155.40 

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)
 
 16th Vienna Chess Open Vienna AUT 2009-08-15
RcRownchangeKK*chgGame
 2414 2261 6.00 9 3.13 15 46.95 
  Zobel, Andrej 2042 GER1.0010.22153.30 
  Foglia, Maurizio 2140 ITA1.0010.34155.10 
  Stanec, Nikolaus g2532 AUT1.0010.831512.45 
  Zilka, Stepan m2466 CZE1.0010.761511.40 
  Tiviakov, Sergei g2661  * NED0.5010.42156.30 
  Moradiabadi, Elshan g2542 IRI0.001-0.1615-2.40 
  Van Der Weide, Karel g2481 NED1.0010.781511.70 
  Chabanon, Jean-Luc g2439 FRA0.5010.23153.45 
  Burg, Twan f2422 NED0.001-0.2915-4.35 
 * 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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