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Individual Calculations July 2009 |
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| Kowalczyk, Mariusz Total change: 24.75 | |   |
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| POL Boys Championship U-12 | Leba | POL | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1709 | 1710 | 4.50 | 7 | 0.99 | 25 | 24.75 | |
|  Szeglowski, Tomasz | | | 1585 | POL | 1.00 | 1 | 0.33 | 25 | 8.25 | |  Witbrodt, Jakub | | | 1605 | POL | 1.00 | 1 | 0.36 | 25 | 9.00 | | | Fronczak, Sebastian | | | 1651 | POL | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Kaczmarek, Aleksander | | | 1886 | POL | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Sliwicki, Damian | | | 1738 | POL | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Zebracki, Tomasz | | | 1795 | POL | 1.00 | 1 | 0.62 | 25 | 15.50 | | | Nun, Grzegorz | | | 1703 | POL | 0.50 | 1 | -0.01 | 25 | -0.25 | |
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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