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Individual Calculations July 2010 |
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| Purzycki, Jan Dawid Total change: -14.70 | |   |
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| III Wielkopolska Liga Szachowa | Wielkoposka | POL | 2009-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 2019 | 2.00 | 4 | -0.98 | 15 | -14.70 | |
|  Kaczmarek, Piotr | | | 1888 | POL | 0.50 | 1 | -0.18 | 15 | -2.70 | |  Bruder, Adam | | | 1619 * | POL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Mierzejewski, Mariusz | | | 1882 | POL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Zgarda, Jakub | | | 1868 | POL | 0.00 | 1 | -0.70 | 15 | -10.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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