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Individual Calculations September 2010 |
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| Drakoulakos, Grigorios Total change: -1.50 | |   |
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| 6th Open under 1900 national or international rating | Pagrati - Athens | GRE | 2010-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1838 | 1650 | 0.00 | 2 | -0.52 | 25 | -13.00 | |
|  Lazaridis-Elmaloglou, Lazaros | | | 1856 | GRE | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Efthimiou, Georgios | | | 1819 | GRE | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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) | | | | 8th Fysiolatriko Open - Group A | Nikaia - Athens | GRE | 2010-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1650 | 3.50 | 9 | 0.46 | 25 | 11.50 | |
| | Koerant, Filipos | | | 2050 * | GRE | 0.50 | 1 | 0.42 | 25 | 10.50 | |  Nikolaidou, Eleni | | | 1831 | GRE | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Tsiros, Fragkiskos Vlasios | | | 1711 | GRE | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Kokossis, Danae | | | 1753 | ENG | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Piromalis, Panagiotis | | | 1747 | GRE | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Mitsakos, Achilleas | | | 1754 | GRE | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Zygourakis, Themistoklis | | | 1730 | GRE | 0.50 | 1 | 0.11 | 25 | 2.75 | | | Petousis, Konstantinos | | | 1712 | GRE | 1.00 | 1 | 0.59 | 25 | 14.75 | | | Athanasopoulos, Stavros | | | 1730 | GRE | 0.00 | 1 | -0.39 | 25 | -9.75 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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