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Individual Calculations April 2009 |
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| Wiechmann, Michael Total change: -12.25 | |   |
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| Deutsche Amateurmeisterschaft B | Hamburg-Bergedorf | GER | 2009-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2059 | 2.00 | 4 | -0.49 | 25 | -12.25 | |
|  Stielau, Jens-Uwe | | | 1937 | GER | 0.50 | 1 | -0.17 | 25 | -4.25 | | | Hoffmann, Ekkehard | | | 1965 | GER | 1.00 | 1 | 0.37 | 25 | 9.25 | |  Kleinert, Juergen | | | 2024 | GER | 0.00 | 1 | -0.55 | 25 | -13.75 | | | Rudolph, Jens-Erik | | | 1959 | GER | 0.50 | 1 | -0.14 | 25 | -3.50 | |
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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