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Individual Calculations July 2009 |
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| Hermsen, Frederik Total change: -18.25 | |   |
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| Oster-Open 2009 | Oberhausen | GER | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 1938 | 0.00 | 2 | -0.45 | 25 | -11.25 | |
|  Harff, Marcel | | | 2181 | GER | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Fehmer, Carsten | | | 2133 | GER | 0.00 | 1 | -0.25 | 25 | -6.25 | |
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) | | | | 16.Grossenbaumer Pfingstopen | Duisburg | GER | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 1938 | 0.50 | 3 | -0.28 | 25 | -7.00 | |
| | Klups, Christoph | | | 2150 | GER | 0.00 | 1 | -0.23 | 25 | -5.75 | |  Buchkremer, Felix | | | 2076 | GER | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Vovk, Oksana | | wm | 2142 | DEN | 0.00 | 1 | -0.24 | 25 | -6.00 | |
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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