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Individual Calculations September 2011 |
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| Vosselman, Jan Total change: -19.65 | |   |
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| Bilderbergschaaktoernooi | Oosterbeek | NED | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 2112 | 4.00 | 7 | -0.58 | 15 | -8.70 | |
|  Plijter, Martin | | | 2017 | NED | 0.00 | 1 | -0.63 | 15 | -9.45 | |  Duijker, Bert | | | 1889 | NED | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Montsma, Foppe-Jan | | | 2003 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Van De Peut, Aart | | | 1923 | NED | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Landsbergen, Ron | | | 2065 | NED | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Jonkman, Fokke | | | 1999 | NED | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Monte, Peter | | | 2076 | NED | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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 | 2011-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2112 | 2.50 | 8 | -0.73 | 15 | -10.95 | |
| | Hendriks, Willy | m | | 2415 | NED | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Georgiev, Vladimir | g | | 2512 * | MKD | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Cox, Jan | | | 1962 | BEL | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Wilgenhof, Otto | | | 2210 | NED | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Beukema, Stefan | | | 2209 | NED | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Hoogland, Dirk | c | | 2181 | NED | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Merza, Morris | | | 2145 | NED | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Van Meegen, Ruud | | | 1947 | NED | 0.50 | 1 | -0.22 | 15 | -3.30 | | | * 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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