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Individual Calculations July 2009 |
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| Efthimiou, Georgios Total change: -40.80 | |   |
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| 1st Open below 1800 national rating SOP_SMAOK | Pagrati - Athens | GRE | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1829 | 2.50 | 5 | -0.04 | 15 | -0.60 | |
|  Tsokopoulos, Dedalos | | | 1927 | GRE | 0.00 | 1 | -0.37 | 15 | -5.55 | |  Vraimakis, Ioannis | | | 1567 | GRE | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Georgiopoulos, Har | | | 1910 | GRE | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Maroulakos, Stavros | | | 1768 | GRE | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Hatzigeorgiou, Mihail | | | 1919 | GRE | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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 Teams Cup | Attica | GRE | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 1829 | 0.00 | 1 | -0.19 | 15 | -2.85 | |
| | Papadopoulos, Agathaggelos | | | 2083 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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) | | | | Easter Tournament 2009 PS Peristeriou | Peristeri - Athens | GRE | 2009-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 1840 | 2.00 | 6 | -1.36 | 15 | -20.40 | |
| | Kamenets, Anatolij | m | | 2190 | UKR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Terzakis, Athanasios | | | 1647 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Sienczewski, Zbigniew | | | 2138 | POL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Litsas, Panagiotis | | | 1606 | GRE | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Bellos, Ioannis | | | 1651 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Vakalis, Angelos | | | 1592 | GRE | 0.00 | 1 | -0.81 | 15 | -12.15 | |
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) | | | | WORLD AMATEUR CHAMPIONSHIP 2009 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1840 | 0.00 | 2 | -1.13 | 15 | -16.95 | |
| | Konstantinidis, Lazaros | | | 1945 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Tsolaki, Eleni | | | 1631 | GRE | 0.00 | 1 | -0.77 | 15 | -11.55 | |
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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