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Individual Calculations July 2009 |
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| Duhn, Marc Total change: 4.50 | |   |
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| Deutsche Amateurmeisterschaft B | Magdeburg | GER | 2009-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1971 | 2.00 | 4 | 0.30 | 15 | 4.50 | |
|  Lubos, Adam | | | 2035 | GER | 1.00 | 1 | 0.59 | 15 | 8.85 | |  Kunisch, Wulf-Werner | | | 2019 | GER | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Schmidt-Brauns, Rainer | | | 2051 | GER | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Zerfass, Otfried | | | 1994 | GER | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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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