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Individual Calculations April 2008 |
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| Metaxas, Efstathios Total change: -11.00 | |   |
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| Tessaloniki-Halkidiki Clubs Youth Champ U18 2007 | Thessaloniki | GRE | 2007-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1752 | 1.00 | 2 | 0.07 | 25 | 1.75 | |
|  Iskos, Alexandros | | | 2083 | GRE | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Palaskos, Marios | | | 1498 | GRE | 1.00 | 1 | 0.19 | 25 | 4.75 | |
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) | | | | Club Youth Championship of Macedonia-Thrake and Thessaly 2007 | Thessaloniki | GRE | 2007-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1752 | 0.50 | 3 | -0.59 | 25 | -14.75 | |
| | Kafetzis, Georgios | | | 1895 | GRE | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Koronas, Vasilios | | | 1725 | GRE | 0.00 | 1 | -0.54 | 25 | -13.50 | |  Skoulakis, Charalambos | | | 1953 | GRE | 0.00 | 1 | -0.24 | 25 | -6.00 | |
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) | | | | BOYS UNDER 14 - THESSALONIKI CHAMPIONSHIP | THESSALONIKI | GRE | 2008-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1811 | 1791 | 1.50 | 3 | 0.08 | 25 | 2.00 | |
| | Dermentzis, Konstantinos | | | 1825 | GRE | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Koutroukis, Andreas | | | 1750 | GRE | 0.00 | 1 | -0.56 | 25 | -14.00 | | | Boutsioukis, Nikolaos | | | 1858 | GRE | 1.00 | 1 | 0.59 | 25 | 14.75 | |
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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