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Individual Calculations January 2011 |
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| Messina, Roberta Total change: 11.10 | |   |
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| World Youth Chess Championships 2010 - Girls under 18 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1890 | 4.50 | 11 | 0.74 | 15 | 11.10 | |
|  Rakhmangulova, Anastasiya | | | 2154 | UKR | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Endress, Anna | | | 2160 | GER | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Bubanja, Milica | | | 1743 | MNE | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Motycakova, Monika | | wf | 2072 | SVK | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Soubirou, Oriane | | | 2021 | FRA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Suslova, Alena | | wf | 2207 | RUS | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Kantor, Reka | | | 2003 | SVK | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Datta, Anjali | | | 2025 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Trapeznikova, Darya | | | 1998 | RUS | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Adamowicz, Katarzyna | | wf | 2147 | POL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Hohluka, Arina | | | 1652 | LAT | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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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