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Individual Calculations September 2012 |
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| Drobka, Andrzej Total change: -41.70 | |   |
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| Obra Lato Open 2012 | Obra | POL | 2012-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1478 | 1333 | 0.00 | 4 | -1.39 | 30 | -41.70 | |
|  Banach, Szymon | | | 1733 * | POL | 0.00 | 1 | -0.08 | 30 | -2.40 | |  Derewlany, Pawel | | | 1622 | POL | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Borsuk, Aleksandra | | | 1311 | POL | 0.00 | 1 | -0.53 | 30 | -15.90 | | | Tomys, Wiktoria | | | 1246 | POL | 0.00 | 1 | -0.62 | 30 | -18.60 | | | * 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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