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Individual Calculations April 2009 |
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| Grabarczyk, Bogdan Total change: -8.00 | |   |
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| Obra Zima Open 2009 grupa A | Obra | POL | 2009-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2458 | 7.00 | 9 | -0.80 | 10 | -8.00 | |
|  Jasnikowska, Daria | | | 2108 | POL | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Zakrzewski, Marek | | | 2108 | POL | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Statucki, Maciej | | | 2108 | POL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Wypych, Dominik | | | 2108 | POL | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Hanusek, Sebastian | | | 2108 | POL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Nowak, Rafal | | | 2108 | POL | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Scibior, Adam | | | 2225 | POL | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Grzesik, Norbert | | | 2108 | POL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Bielinski, Dariusz | | | 2234 | POL | 1.00 | 1 | 0.22 | 10 | 2.20 | |
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) | | |
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