Individual Calculations September 2009
 De Haan, Eric  Total change: 13.50  Rating chartPersonal card
 20th NATO Chess Championship Hammelburg GER 2009-06-15
RcRownchangeKK*chgGame
 2124 2353 5.50 7 0.01 15 0.15 
  Toll, Alec 2084 ENG0.501-0.3315-4.95 
  Cuadrado Lopez, Francisco Javier 2003 ESP1.0010.11151.65 
  Kersic, Matej 2142 SLO1.0010.23153.45 
  Schott, Guido 2196 GER1.0010.29154.35 
  Bieluszewski, Piotr 2153 POL0.001-0.7615-11.40 
  Mestek, Igor 2158 SLO1.0010.25153.75 
  Alaslar, Devrim 2135 TUR1.0010.22153.30 

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)
 
 Ikaros Chess Festival 2009 2009 Aegean Open Championship GRE 2009-07-11
RcRownchangeKK*chgGame
 2196 2349 5.00 8 -0.39 15 -5.85 
  Syfantos, Nikolaos 1949  * GRE1.0010.08151.20 
  Spirou, Panagiotis 2131 GRE1.0010.22153.30 
  Tukmakov, Vladimir B g2549 UKR0.001-0.2415-3.60 
  Kokolias, Konstantinos 2133 GRE1.0010.22153.30 
  Vorobiov, Evgeny E g2598 RUS0.001-0.1915-2.85 
  Poulos, Georgios 2115 GRE0.001-0.7915-11.85 
  Stoumbou, Eleni 1949  * GRE1.0010.08151.20 
  Steil-Antoni, Fiona wf2140 LUX1.0010.23153.45 
 * 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)
 
 BDO Challenger Tournament Haarlem NED 2009-08-15
RcRownchangeKK*chgGame
 2331 2349 6.00 9 1.28 15 19.20 
  Flumbort, Andras m2507 HUN0.001-0.2915-4.35 
  Van Ojik, Mark 2244 NED1.0010.36155.40 
  Stets, Dmitry m2427 UKR1.0010.61159.15 
  Ten Hagen, Yorick 2150 NED0.501-0.2615-3.90 
  De Jager, Jaap f2358 NED0.5010.01150.15 
  Strating, Sybolt f2340 NED1.0010.49157.35 
  Gijswijt, Bart 2265 NED1.0010.38155.70 
  Richter, Christian m2417 GER0.5010.09151.35 
  Rombaldoni, Andrea 2269 ITA0.501-0.1115-1.65 

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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