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Individual Calculations July 2009 |
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| Bachran, Boris Total change: -8.70 | |   |
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| Landesliga Brandenburg 2008/2009 | Potsdam | GER | 2008-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1960 | 2.50 | 7 | -0.44 | 15 | -6.60 | |
|  Vollak, Andreas | | | 2099 | GER | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Meyer, Frank-Ulrich | | | 1955 | GER | 0.50 | 1 | -0.01 | 15 | -0.15 | |  Sydow, Hardy | | | 2142 | GER | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Lenz, Tobias | | | 1915 | GER | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Wangerin, Klemens | | | 1891 | GER | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Mueller, Manfred | | | 2116 | GER | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Langner, Tobias | | | 2022 | GER | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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) | | | | Deutsche Amateurmeisterschaft B | Magdeburg | GER | 2009-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 1960 | 1.50 | 4 | -0.14 | 15 | -2.10 | |
| | Bernhoeft, Erhard | | | 2029 | GER | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Roggon, Jacob | | | 2068 | GER | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Breitfeld, Joachim | | | 2067 | GER | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Powierski, Christian | | | 1933 | GER | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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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