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Individual Calculations July 2009 |
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| Roggon, Jacob Total change: 8.85 | |   |
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| Deutsche Amateurmeisterschaft B | Magdeburg | GER | 2009-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 2068 | 3.00 | 4 | 0.59 | 15 | 8.85 | |
|  Metzger, Eberhard | | | 1942 | GER | 1.00 | 1 | 0.33 | 15 | 4.95 | |  Bachran, Boris | | | 1960 | GER | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Marx, Joschka | | | 2014 | GER | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Koenig, Marco, Dr. | | | 2058 | GER | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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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