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Individual Calculations July 2009 |
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| Ostertag, Stephan Total change: 14.05 | |   |
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| 13.Internat.Neckar-Open B | Deizisau | GER | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1795 | 1.00 | 1 | 0.71 | 25 | 17.75 | |
|  Papa, Heiner | | | 1954 | GER | 1.00 | 1 | 0.71 | 25 | 17.75 | |
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) | | | | 4.Ried Open | Einhausen | GER | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 1795 | 1.00 | 5 | 0.08 | 25 | 2.00 | |
| | Dushatskiy, Fedor | | | 2145 | GER | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Ludwig, Sebastian | | | 2048 | GER | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Mueller, Claudia | | | 2021 | GER | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Staudt, Juergen | | | 2026 | GER | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Hornung, Thomas | | | 2034 | GER | 0.50 | 1 | 0.30 | 25 | 7.50 | |
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) | | | NOTE: K factor changed | | 14. Reutlinger Open | Reutlingen | GER | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1795 | 0.00 | 2 | -0.46 | 15 | -6.90 | |
| | Braun, Georg | | | 1990 | GER | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Hablizel, Frank | | | 2025 | GER | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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) | | | NOTE: K factor changed | | XII. Rhein-Main Open | Bad Homburg v.d.H. | GER | 2009-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1795 | 1.00 | 4 | 0.08 | 15 | 1.20 | |
| | Biegel, Thomas | | | 2017 | GER | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Minz, Michail | | | 2131 | GER | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Machlin, Maxim | | | 1936 | GER | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Mallmann, Bernd | | | 1974 | GER | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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