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Individual Calculations April 2008 |
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| Bosma, Achim Total change: 2.50 | |   |
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| Deutsche Amateurmeisterschaft Gruppe B | Bruehl | GER | 2008-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 1980 | 2.00 | 5 | 0.10 | 25 | 2.50 | |
|  Prueske, Wolfgang | | | 2076 | GER | 0.50 | 1 | 0.13 | 25 | 3.25 | |  Schaefers, Andreas | | | 2055 | GER | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Biegel, Thomas | | | 2051 | GER | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Orwatsch, Gerhard | | | 2087 | GER | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Melzner, Lukas | | | 2068 | GER | 0.00 | 1 | -0.38 | 25 | -9.50 | |
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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