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Individual Calculations March 2010 |
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| Vlahos, Georgios Total change: -12.50 | |   |
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| Team Cup Tourn. "Spyros Bikos" 2009 - Group B | Attica | GRE | 2009-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1791 | 1.00 | 4 | -0.41 | 25 | -10.25 | |
|  Pramateftakis, Nikolaos | | | 1813 | GRE | 0.00 | 1 | -0.47 | 25 | -11.75 | |  Blazos, Vasilios | | | 2023 | GRE | 1.00 | 1 | 0.79 | 25 | 19.75 | | | Alexopoulos, Alexios | | | 1883 | GRE | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Rozakis, Vasilios | | | 1894 | GRE | 0.00 | 1 | -0.36 | 25 | -9.00 | |
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) | | | | Attica Indiv. Youth Championship 2010 - Boys U20 | Nikaia - Athens | GRE | 2009-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1791 | 1.50 | 3 | -0.09 | 25 | -2.25 | |
| | Papadimitriou, Athanasios | | | 2160 | GRE | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Barbar, Faraz | | | 1593 | GRE | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Avgerinos, Fotios | | | 1620 | GRE | 0.50 | 1 | -0.23 | 25 | -5.75 | |
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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