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Individual Calculations July 2009 |
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| Zambrakos, Efthimios Total change: -32.10 | |   |
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| 94th Ambelokipi open | Ambelokipi - Athens | GRE | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1970 | 2.50 | 5 | -0.89 | 15 | -13.35 | |
|  Tepelenis, Nikolaos | | | 2189 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Drakakis, Georgios | | | 1754 | GRE | 0.00 | 1 | -0.78 | 15 | -11.70 | |  Tsakouridis, Georgios | | | 1620 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Fragkou, Eleni | | | 1759 | GRE | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Stamatiadis, Georgios | | | 1798 | GRE | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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) | | | | 44th Individual Chess Championship of Piraeus 2009 | Piraeus | GRE | 2009-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1939 | 0.00 | 3 | -1.25 | 15 | -18.75 | |
| | Sklavounos, Panayotis | | | 2022 | GRE | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Korlotsidis, Spiridon | | | 1975 | GRE | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Sgouros, Apostolos | | | 2007 | GRE | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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