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Individual Calculations April 2009 |
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| Barwich, Alfred Total change: -20.25 | |   |
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| 3.Prenzlberg Open | Berlin | GER | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1919 | 2.00 | 5 | -0.25 | 25 | -6.25 | |
|  Poseck, Steffen | | | 2092 | GER | 0.00 | 1 | -0.27 | 25 | -6.75 | |  Mahler, Sonja | | | 1569 | GER | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Hohn, August | | | 2090 | GER | 0.50 | 1 | 0.23 | 25 | 5.75 | | | Nietsch, Horst | | | 2029 | GER | 0.50 | 1 | 0.15 | 25 | 3.75 | | | Zur, Jan | | | 1937 | GER | 0.00 | 1 | -0.47 | 25 | -11.75 | |
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) | | | | 25.offene Berliner Senioren Stadtmeisterschaft | Berlin | GER | 2009-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1919 | 1.00 | 4 | -0.56 | 25 | -14.00 | |
| | Rollwitz, Inge | | | 1569 | GER | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Krug, Peter | | | 2186 | GER | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Zschaebitz, Klaus | f | | 2112 | GER | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Strehlow, Horst | | | 2117 | GER | 0.00 | 1 | -0.24 | 25 | -6.00 | |
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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