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Individual Calculations May 2013 |
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| Piekarska, Anna Total change: -8.55 | |   |
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| 4th Lower Silesian Ligue 2012/2013 | Lower Silesia | POL | 2012-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1789 | 1.00 | 4 | -0.57 | 15 | -8.55 | |
|  Witkowski, Krzysztof | | | 1873 | POL | 0.00 | 1 | -0.38 | 15 | -5.70 | |  Lipski, Lukasz | | | 1494 | POL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Helaszek, Edward | | | 2059 | POL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Fura, Ireneusz | | | 2061 | POL | 0.00 | 1 | -0.17 | 15 | -2.55 | |
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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