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Individual Calculations January 2009 |
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| Sidiropoulos, Leonidas Total change: 19.20 | |   |
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| 89th Ambelokipi Open | Athens | GRE | 2008-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1669 | 2.50 | 6 | 1.50 | 15 | 22.50 | |
|  Paganoglou, Anastasia | | | 1982 | GRE | 1.00 | 1 | 0.86 | 15 | 12.90 | |  Barbagiannis, Leonidas | | | 1963 | GRE | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Poteas, Ioannis | | | 2019 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Stamiris, Gerasimos | | | 1921 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Chrisostomou, Dimitrios | | | 1866 | GRE | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Mbourdakis, Stavros | | | 1953 | GRE | 0.50 | 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) | | | | Attica Championship Boys U-20 2009 | Aigaleo - Athens | GRE | 2008-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 1664 | 0.00 | 2 | -0.22 | 15 | -3.30 | |
| | Aggelis, Nikolaos | | | 2014 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tsiropoulas, Apostolos | | | 2014 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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