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Individual Calculations March 2012 |
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| Bosma, Achim Total change: -44.70 | |   |
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| Deutsche Amateurmeisterschaft 2011/12 (5) Gruppe B | Bruehl-Koeln | GER | 2012-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 1918 | 0.50 | 5 | -1.49 | 30 | -44.70 | |
|  Eigemann, Frederik | | | 2011 | GER | 0.50 | 1 | 0.13 | 30 | 3.90 | |  Eilers, Jochen | | | 2027 | GER | 0.00 | 1 | -0.35 | 30 | -10.50 | | | Schmitt, Carsten | | | 2006 | GER | 0.00 | 1 | -0.38 | 30 | -11.40 | | | Scharff, Klaus | | | 2012 | GER | 0.00 | 1 | -0.37 | 30 | -11.10 | | | Staehrfeldt, Philipp | | | 1904 | GER | 0.00 | 1 | -0.52 | 30 | -15.60 | |
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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