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Individual Calculations July 2010 |
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| Backes, Holger Total change: -2.25 | |   |
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| 25.Ruhrhalbinsel-Open | Essen | GER | 2010-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1943 | 1.00 | 2 | -0.09 | 25 | -2.25 | |
|  Stieglitz, Gotthard | | | 1570 | GER | 1.00 | 1 | 0.10 | 25 | 2.50 | |  Viebahn, Dirk | | | 2193 | GER | 0.00 | 1 | -0.19 | 25 | -4.75 | |
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) | | |
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