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Individual Calculations April 2009 |
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| Serefidou, Despina Total change: 24.75 | |   |
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| 25th Christmas Cup - Group A' | Kavala | GRE | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1539 | 2.00 | 3 | 1.41 | 15 | 21.15 | |
|  Kazantzidis, Ilias | | | 1889 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Kipraki, Nikoleta | | | 1680 | GRE | 1.00 | 1 | 0.69 | 15 | 10.35 | |  Koroglou, Viktor | | | 1816 | GRE | 1.00 | 1 | 0.83 | 15 | 12.45 | |
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) | | | | 12 Indiv. Champ. Greece - Girls U18 | Peristeri - Athens | GRE | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1785 | 1609 | 1.50 | 5 | 0.12 | 15 | 1.80 | |
| | Barbageorgopoulou, Fani | | | 1818 | GRE | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Kontogianni, Maria-Hristina | | | 1651 | GRE | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Fragaki, Maria | | | 1903 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Sirnioti, Georgia | | | 1810 | GRE | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Tsarouha, Marianthi | | | 1741 | GRE | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | 31st Bulgarian Open Chmpionship - Georgi Tringov Memorial 01.02.2009-07.02.2009 | Plovdiv | BUL | 2009-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 1609 | 1.00 | 3 | 0.12 | 15 | 1.80 | |
| | Georgiev, Krum | g | | 1959 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Xia, Jie | | | 1959 | ITA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Vasileva, Cveta | | | 1494 | BUL | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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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