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Individual Calculations September 2009 |
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| Becher, Helmut, Dr. Total change: -28.65 | |   |
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| 1.Senioren Schach-Open | Bad Neuenahr-Ahrweiler | GER | 2009-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 2146 | 2.00 | 5 | -1.91 | 15 | -28.65 | |
|  Timmermann, Helmut | | | 1835 | GER | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Hesse, Volker | | | 1922 | GER | 0.00 | 1 | -0.78 | 15 | -11.70 | |  Van Houten, Henk | | | 1811 | NED | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Kempen, Willi | | | 2132 | GER | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Jung, Michael, Prof. | | | 1825 | GER | 0.50 | 1 | -0.37 | 15 | -5.55 | |
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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