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Individual Calculations April 2009 |
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| Wulfken, Christof Total change: -1.25 | |   |
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| Deutsche Amateurmeisterschaft B | Koeln-Bruehl | GER | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 2073 | 2.50 | 4 | -0.05 | 25 | -1.25 | |
|  Zimpel, Norbert | | | 1968 | GER | 0.50 | 1 | -0.14 | 25 | -3.50 | |  Ahlers, Volkmar | | | 1976 | GER | 0.50 | 1 | -0.13 | 25 | -3.25 | | | Bondarchuk, Vadim | | | 1964 | GER | 1.00 | 1 | 0.35 | 25 | 8.75 | | | Goeldenboog, Juergen | | | 1978 | GER | 0.50 | 1 | -0.13 | 25 | -3.25 | |
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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