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Individual Calculations September 2019 |
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| Koester, Roman Total change: -18.20 | |   |
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| Berlin Open 2019 | Berlin | GER | 2019-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 2102 | 4.00 | 7 | -0.91 | 20 | -18.20 | |
|  Kreuchauf, Olaf | | | 1702 * | GER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Stocek, Jiri | g | | 2502 * | CZE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Wolter, Guenter | | | 1862 | GER | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Ahlers, Knut | | | 1880 | GER | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Wegemund, Hubert | | | 1859 | GER | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Kutschke, Jens | | | 1953 | GER | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Matthes, Benjamin | | | 1832 | GER | 1.00 | 1 | 0.17 | 20 | 3.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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