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Individual Calculations January 2011 |
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| Cosman, Andreea-Marioara Total change: 36.30 | |   |
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| World Youth Chess Championships 2010 - Girls under 14 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1682 | 5.00 | 11 | 1.73 | 15 | 25.95 | |
|  Kostitsina, Liubov | | | 1910 | RUS | 1.00 | 1 | 0.79 | 15 | 11.85 | |  Beinenson, Katsiaryna | | | 1922 | BLR | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Pachon, Adriana | | wf | 1923 | COL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Blagojevic, Tijana | | | 1775 | MNE | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Velikic, Adela | | | 1797 | SRB | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Arbore, Federica | | | 1676 | ITA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Vanagaite, Giedre | | | 1833 | LTU | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Romero, Daniela | | | 1900 | COL | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Giblon, Rebecca | | | 1763 | CAN | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Bitalzadeh, Mahsa | | | 1820 | NED | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Marikova, Jana | | | 1906 | CZE | 0.50 | 1 | 0.28 | 15 | 4.20 | |
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) | | | | Astra Cup | Sibiu | ROU | 2010-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1682 | 1.50 | 3 | 0.69 | 15 | 10.35 | |
| | Salagean, Gheorghe | | | 1851 | ROU | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Motounu, Vlad-Stefan | | | 1884 | ROU | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Eremia, Dan-Andrei | | | 1842 | ROU | 1.00 | 1 | 0.71 | 15 | 10.65 | |
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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