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Individual Calculations July 2009 |
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| Coenen, Siegfried Total change: 25.50 | |   |
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| Oster-Open 2009 | Oberhausen | GER | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 1981 | 1.00 | 4 | 0.02 | 15 | 0.30 | |
|  Roitburd, Talik | | | 2238 | GER | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Koenig, Christian | | | 2140 | GER | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Montignies, Rainer | | | 2190 | GER | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Haase, Reinhard | | | 2148 | GER | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | 16.Grossenbaumer Pfingstopen | Duisburg | GER | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2206 | 1981 | 3.00 | 6 | 1.68 | 15 | 25.20 | |
| | Harff, Wilfried | | | 2203 | GER | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Hirth, Ulrich, Dr. | | | 2153 | GER | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Litwak, Aleksej | f | | 2278 | GER | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Harff, Marcel | | | 2181 | GER | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Bock, Juergen | | | 2281 | GER | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Vovk, Oksana | | wm | 2142 | DEN | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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