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Individual Calculations July 2009 |
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| Vlahos, Georgios Total change: -14.75 | |   |
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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 |
| 1884 | 1815 | 0.00 | 2 | -0.81 | 25 | -20.25 | |
|  Hatzigeorgiou, Mihail | | | 1919 | GRE | 0.00 | 1 | -0.36 | 25 | -9.00 | |  Petridis, Evagelos | | | 1848 | GRE | 0.00 | 1 | -0.45 | 25 | -11.25 | |
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 |
| 1596 | 1815 | 1.00 | 1 | 0.22 | 25 | 5.50 | |
| | Halkiadakis, Evangelos | | | 1596 | GRE | 1.00 | 1 | 0.22 | 25 | 5.50 | |
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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