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Individual Calculations April 2009 |
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| Belka, Andrzej Total change: -33.90 | |   |
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| Obra Zima Open 2009 grupa A | Obra | POL | 2009-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1750 | 1924 | 3.50 | 8 | -2.26 | 15 | -33.90 | |
|  Kocur, Pawel | | | 1666 | POL | 0.00 | 1 | -0.82 | 15 | -12.30 | |  Jasniewicz, Rafal | | | 1677 | POL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Palasz, Krzysztof | | | 1714 | POL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Kwiatkowski, Wiktor | | | 1808 | POL | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Zdanowicz, Lukasz | | | 2052 | POL | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Nun, Grzegorz | | | 1703 | POL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Statucki, Maciej | | | 1702 | POL | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Ostrowska, Marta | | | 1675 | POL | 0.00 | 1 | -0.81 | 15 | -12.15 | |
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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