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Individual Calculations April 2009 |
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| Piechota, Piotr Total change: 15.00 | |   |
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| Wielkopolska III Liga Juniorow 2009 | Koscielec, Wolsztyn | POL | 2009-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1639 | 3.00 | 5 | 1.00 | 15 | 15.00 | |
|  Tabaka, Marcin | | | 1744 | POL | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Kamecki, Mateusz | | | 1757 | POL | 0.00 | 1 | -0.34 | 15 | -5.10 | |  Przygocki, Maciej | | | 1666 | POL | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Zimny, Piotr | | | 1709 | POL | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Stanicki, Kamil | | | 1684 | POL | 1.00 | 1 | 0.56 | 15 | 8.40 | |
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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