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Individual Calculations October 2008 |
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| Drakakis, Georgios Total change: -30.15 | |   |
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| 88th Ambelokipi Open | Ambelokipi - Athens | GRE | 2008-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1807 | 1.50 | 4 | -1.00 | 15 | -15.00 | |
|  Koukoufikis, Ioannis | | | 1860 | GRE | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Marianidis, Dimitrios | | | 1928 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | |  Ntovas, Dimitrios | | | 1475 | GRE | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Zaharopoulos, Dionisios | | | 1506 | GRE | 0.50 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | 17th Greek Indiv. Championship open U12 | Kallithea - Halkidiki | GRE | 2008-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1601 | 1807 | 1.00 | 2 | -0.50 | 15 | -7.50 | |
| | Palaskos, Marios | | | 1497 | GRE | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Tompros, Andreas-Hristos | | | 1704 | GRE | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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) | | | | 36th Greek Team's Championship - A' Division | Kallithea Halkidiki | GRE | 2008-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1780 | 0.50 | 2 | -0.59 | 15 | -8.85 | |
| | Papadopoulos, Panayotis | | | 1778 | GRE | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Hatzoudis, Gerasimos | | | 1713 | GRE | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | 16th Inter. Open Tournament "Honor to National Resistance" | Nikaia - Athens | GRE | 2008-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1780 | 1.00 | 4 | 0.08 | 15 | 1.20 | |
| | Barbagiannis, Panayotis | | | 1875 | GRE | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Barbagiannis, Leonidas | | | 1963 | GRE | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Kouvatsos, Filippos | | | 2108 | GRE | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Petraki, Maria | | wf | 2069 | GRE | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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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