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Individual Calculations September 2010 |
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| Petrova, Irina Total change: 27.15 | |   |
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| World Girls U-20 Championship | Czarna/Chotowa | POL | 2010-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2015 | 6.00 | 13 | 1.81 | 15 | 27.15 | |
|  Corke, Anya | | wg | 2257 | ENG | 0.50 | 1 | 0.30 | 15 | 4.50 | |  Guramishvili, Sopiko | | wg | 2298 | GEO | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Ozturk, Kubra | | wm | 2286 | TUR | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Ursente, Maria-Eugenia | | wf | 1978 | ROU | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Correa, Jaqueline Pamplona | | | 1928 | BRA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Rysbayeva, Aigerim | | wf | 2209 | KAZ | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Adamowicz, Katarzyna | | wf | 2123 | POL | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Guo, Emma | | wf | 1965 | AUS | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Agrest, Inna | | wm | 2174 | SWE | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Butuc, Maria | | wm | 2220 | RUS | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Olsarova, Tereza | | wf | 2252 | CZE | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Gosciniak, Maria | | wf | 2149 | POL | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Abdulla, Khayala Mardan Qizi | | wm | 2193 | AZE | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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