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Individual Calculations July 2009 |
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| Herms, Stefan Total change: 7.50 | |   |
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| Oster-Open 2009 | Oberhausen | GER | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 1991 | 3.00 | 6 | 0.39 | 25 | 9.75 | |
|  Waldschmidt, Georg | | | 2245 | GER | 0.50 | 1 | 0.31 | 25 | 7.75 | |  Esser, Norbert | | | 2237 | GER | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Harff, Marcel | | | 2181 | GER | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Kraft, Ingo | | | 1698 | GER | 1.00 | 1 | 0.15 | 25 | 3.75 | | | Alkhazashvili, Ololi | | | 2096 | GER | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Backes, Juergen | | | 1783 | GER | 1.00 | 1 | 0.23 | 25 | 5.75 | |
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) | | | | 24.Ruhrhalbinsel Open | Essen | GER | 2009-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 1991 | 1.00 | 3 | -0.09 | 25 | -2.25 | |
| | Kolkin, Michail | | | 2281 | UKR | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Jugelt, Tobias | | | 2341 | GER | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Bergmann, Michaela | | | 1734 | GER | 0.50 | 1 | -0.32 | 25 | -8.00 | |
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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