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Individual Calculations September 2009 |
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| Weverling, Ferry Total change: 12.60 | |   |
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| Intomart GfK Open 2009 - group B | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1839 | 2.00 | 4 | 0.84 | 15 | 12.60 | |
|  Veldhuysen, Klaas | | | 2013 | NED | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Van Den Bergh, Jan | | | 2101 | NED | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Van Brussel, Bert | | | 1929 | NED | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Van Tuyl, Wim | | | 1962 | NED | 0.50 | 1 | 0.17 | 15 | 2.55 | |
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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