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Individual Calculations April 2009 |
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| Athanasiou, Georgios Total change: 11.25 | |   |
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| Bikou Cup 1st Division | Attica - Local Clubs | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 1910 | 0.00 | 1 | -0.37 | 15 | -5.55 | |
|  Sgouros, Apostolos | | | 2003 | GRE | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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 - Boys U18 | Peristeri - Athens | GRE | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1915 | 4.50 | 7 | 1.12 | 15 | 16.80 | |
| | Kostas, Alexandros | | | 1819 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Balokas, Dimitrios-Konstantin | | | 1883 | GRE | 0.50 | 1 | -0.04 | 15 | -0.60 | |  Kirgeridis, Panagiotis | | | 2061 | GRE | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Filippas, Sebastian | | | 2190 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Rigopoulos-Tsigkos, Alexandros | | | 2020 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Apostolou, Elias | | | 1812 | GRE | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Naoum, Spyridon | | | 1732 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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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