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Individual Calculations July 2009 |
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| Sotiriadou, Ioanna Total change: 0.75 | |   |
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| Attica Teams Cup | Attica | GRE | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1518 | 0.00 | 1 | -0.11 | 15 | -1.65 | |
|  Giordos, Vasilios | | | 1868 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | 2009 Attica mixed Youth Teams Champ. Boys & Girls U16 | Attica | GRE | 2009-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1682 | 1518 | 0.50 | 2 | -0.08 | 15 | -1.20 | |
|  Lalaouni, Konstantina | | | 1604 | GRE | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Fragkou, Eleni | | | 1759 | GRE | 0.00 | 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) | | | | 5th World School Chess Championship - Girls U15 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1542 | 1.00 | 4 | 0.24 | 15 | 3.60 | |
| | Kuchava, Ana | | | 1892 | GEO | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Pahaki, Hristina-Despoina | | | 1698 | GRE | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Mardaleishvili, Ana | | | 1738 | GEO | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Unapkoshvili, Nani | | | 1892 | GEO | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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