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Individual Calculations September 2012 |
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| Powalla, Christian Total change: -9.45 | |   |
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| 4th International Chess Open in Vellmar - Open A | Vellmar | GER | 2012-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 1784 | 1.00 | 5 | -0.55 | 15 | -8.25 | |
|  Brueckmann, Gerd | | | 2048 | GER | 0.50 | 1 | 0.32 | 15 | 4.80 | |  Keil, Roland, Dr. | | | 2024 | GER | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Klueting, Reiner | | | 2005 | GER | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Mueller, Joachim | | | 1956 | GER | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Lehmann, Tornalf | | | 1653 | GER | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | 12.Nordhaeuser Open | Nordhausen | GER | 2012-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 1784 | 1.50 | 5 | -0.08 | 15 | -1.20 | |
| | Paehtz, Thomas | g | | 2184 * | GER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Sieber, Fiona | | | 1781 | GER | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Zahn, Alina | | | 1875 | GER | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Schmidt, Kevin | | | 1813 | GER | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Skibbe, Diana | | | 2071 | GER | 0.00 | 1 | -0.16 | 15 | -2.40 | | | * 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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