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Individual Calculations February 2013 |
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| Brahn, Helmut Total change: -15.75 | |   |
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| 22.Erfurter Schachfestival Senioren | Erfurt | GER | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1800 | 0.50 | 3 | -1.05 | 15 | -15.75 | |
|  Bangert, Ruediger | | | 1691 | GER | 0.00 | 1 | -0.65 | 15 | -9.75 | |  Eiert, Helmut | | | 1793 | GER | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Lueders, Guenther Dr | | | 1880 | GER | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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