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Individual Calculations April 2009 |
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| Piotrowski, Arkadiusz Total change: -15.60 | |   |
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| VII New Year Festival B | Koszalin | POL | 2009-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1914 | 4.50 | 8 | -1.04 | 15 | -15.60 | |
|  Maruszczak, Joanna | | | 1640 | POL | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Guca, Krzysztof | | | 1813 | POL | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Jacek, Roksana | | | 1643 | POL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Karski, Lukasz | | | 1963 | POL | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Malaczek, Mateusz | | | 1786 | POL | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Ziobrowska, Danuta | | | 1680 | POL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Prokopski, Tadeusz | | | 1709 | POL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Siemaszko, Robert | | | 1846 | POL | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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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