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Individual Calculations September 2010 |
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| Vlahakis, Nektarios Total change: -31.80 | |   |
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| 6th Open Tournmament of SO Pagratiou over 1900 | Pagrati - Athens | GRE | 2010-05-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 2098 | 2.50 | 6 | -1.58 | 15 | -23.70 | |
|  Fessas, Prokopios | | | 1911 | GRE | 0.00 | 1 | -0.74 | 15 | -11.10 | |  Savoglou, Nikolaos | | | 1933 | GRE | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Geroukalis, Athanasios | | | 1951 | GRE | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Efentakis, Nikolaos | | | 1883 | GRE | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Valden, Petros | | | 2183 | GRE | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Hatzigeorgiou, Mihail | | | 1888 | GRE | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | 3rd International Chess Tournament of Paleohora | Paleohora, Chania | GRE | 2010-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 2098 | 3.00 | 4 | -0.54 | 15 | -8.10 | |
| | Vlahakis, Georgios | | | 1703 | GRE | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Skaraki, Antigoni | | | 1746 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Koumis, Filippos | | | 1745 | GRE | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Schlee, Ulrich | | | 1809 | GER | 1.00 | 1 | 0.16 | 15 | 2.40 | |
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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