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Individual Calculations April 2009 |
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| Apostolidis, Ioannis Total change: -6.25 | |   |
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| 2009 Attica teams Ch. A' local div. - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1981 | 3.00 | 4 | 0.30 | 25 | 7.50 | |
|  Marianidis, Dimitrios | | | 1837 | GRE | 1.00 | 1 | 0.31 | 25 | 7.75 | | | Maratos, Antonios | | | 1739 | GRE | 1.00 | 1 | 0.20 | 25 | 5.00 | | | Mavrokordopoulos, Spyridon | | | 1928 | GRE | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Panagiotakos, Petros | | | 1882 | GRE | 0.00 | 1 | -0.64 | 25 | -16.00 | |
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) | | | | 11th Aegaleo Open 2009 | Aegaleo - Athens | GRE | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1981 | 2.00 | 5 | -0.55 | 25 | -13.75 | |
| | Karagiannis, Athanasios | m | | 2331 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Kofinas, Hristos | | | 1895 | GRE | 0.00 | 1 | -0.62 | 25 | -15.50 | | | Irinidis, Dimitrios | | | 1631 | GRE | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Litsas, Ioannis | | | 2197 | GRE | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Mouratidis, Haralambos | | | 1826 | GRE | 1.00 | 1 | 0.29 | 25 | 7.25 | |
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) | | |
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