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Individual Calculations November 2009 |
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| Petrova, Irina Total change: -22.50 | |   |
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| European Youth Ch under 16 Girls | Fermo | ITA | 2009-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1987 | 4.50 | 9 | -1.50 | 15 | -22.50 | |
|  Uusitupa, Erika | | | 1691 | FIN | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Turkova, Karolina | | | 1787 | SVK | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Haast, Anne | | | 2158 | NED | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Kolomaznikova, Barbora | | | 1864 | CZE | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Tsarouha, Marianthi | | | 1763 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Gunther, Marcella | | | 1857 | NED | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Palmitessa, Chiara | | | 1807 | ITA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Sop, Selen | | | 1893 | TUR | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Khalafova, Narmin | | | 1901 | AZE | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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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