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Individual Calculations July 2009 |
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| Purzycki, Jan Dawid Total change: 11.70 | |   |
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| 3rd Chess League of the Wielkopolska Region | Wielkopolska | POL | 2008-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 2007 | 4.50 | 6 | 0.78 | 15 | 11.70 | |
|  Rupental, Janusz | | | 1993 | POL | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Kaczmarek, Piotr | | | 1927 | POL | 1.00 | 1 | 0.39 | 15 | 5.85 | |  Rusinski, Mateusz | | | 1852 | POL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Przybylak, Lukasz | | | 1813 | POL | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Majewski, Jan | | | 2061 | POL | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Zgarda, Jakub | | | 1849 | POL | 1.00 | 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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