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Individual Calculations July 2009 |
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| Sudbrock, Ralf Total change: 13.25 | |   |
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| NRW-Klasse Gruppe 1 | Duesseldorf | GER | 2008-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 2129 | 1.50 | 2 | 0.53 | 25 | 13.25 | |
|  Weyrauch, Erich | | | 2152 | GER | 1.00 | 1 | 0.53 | 25 | 13.25 | |  Trzaska, Peter | | | 2129 | GER | 0.50 | 1 | 0.00 | 25 | 0.00 | |
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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