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Individual Calculations March 2010 |
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| Mackiewicz, Piotr Total change: -12.45 | |   |
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| 18. Otwarte Mistrzostwa Wroc³awia - I Turniej | Wrocaw | POL | 2010-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1776 | 0.50 | 3 | -0.83 | 15 | -12.45 | |
|  Czachor, Grzegorz | | | 2038 | POL | 0.50 | 1 | 0.32 | 15 | 4.80 | |  Mikolajczyk, Piotr | | | 1822 | POL | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Wojciech, Daniel | | | 1614 | POL | 0.00 | 1 | -0.71 | 15 | -10.65 | |
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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