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Individual Calculations January 2010 |
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| Serefidou, Despina Total change: 14.55 | |   |
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| World Youth Chess Championship-u12g | Antalya | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1663 | 3.50 | 8 | 1.28 | 15 | 19.20 | |
|  Egorova, Ayyyna | | wc | 1839 | RUS | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Valieva, Rufina | | | 1942 | RUS | 0.50 | 1 | 0.34 | 15 | 5.10 | |  Srija, Seshadri | | | 1822 | IND | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Feduk, Irina | | | 1807 | UKR | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Nur, Nabila Azman Hisham | | | 1847 | MAS | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Varga, Melinda | | | 1870 | HUN | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Papathanasiou, Elisavet | | | 1737 | GRE | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Ivanova, Simoneta | | | 1815 | BUL | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | Greek Youth Under 16 Team Champ. Finals | N.Filadelfia - Athens | GRE | 2009-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1697 | 1663 | 1.50 | 4 | -0.31 | 15 | -4.65 | |
| | Papadopoulos, Georgios Nikea | | | 1598 | GRE | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Papadopoulos, Georgios | | | 1805 | GRE | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Sahinidis, Evagelos | | | 1696 | GRE | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Markaki, Sofia | | | 1690 | GRE | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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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