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Individual Calculations September 2010 |
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| Apostolakakis, Konstantinos Total change: 46.00 | |   |
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| 20th Greek Open Indiv. Champ. Preliminaries ESSAMTH | Kavala | GRE | 2010-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1702 | 1537 | 3.00 | 6 | 1.26 | 25 | 31.50 | |
|  Vasiliadis, Theodoros | | | 1713 | GRE | 1.00 | 1 | 0.73 | 25 | 18.25 | |  Zisiadis, Dimitrios | | | 1742 | GRE | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Tsakiris, Haralambos | | | 1834 | GRE | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Stamoulas, Nikos | | | 1599 | GRE | 1.00 | 1 | 0.59 | 25 | 14.75 | | | Tsolakidou, Stavroula | | | 1610 | GRE | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Karabasis, Ilias-Stylianos | | | 1714 | GRE | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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) | | | | 13th Greek Individual Championships Open U10 - 2010 | Kallithea Halkidiki | GRE | 2010-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1537 | 1.50 | 3 | 0.22 | 25 | 5.50 | |
| | Kokkalis, Haralabos | | | 1600 | GRE | 0.50 | 1 | 0.09 | 25 | 2.25 | | | Ioannidis, Evgenios | | | 1817 | GRE | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Tsiamis, Rafail | | | 1377 | GRE | 0.50 | 1 | -0.21 | 25 | -5.25 | |
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) | | | | 19th Open International Chess Tournament of Kavala B Group | Kavala | GRE | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1537 | 1.50 | 6 | 0.36 | 25 | 9.00 | |
| | Kousidis, Vergis | | | 1835 | GRE | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Georgiadis, Georgios | | | 1765 | GRE | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Papadopoulos, Mihail | | | 1781 | GRE | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Katsifarakis, Nikolaos | | | 1902 | GRE | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Vasiliadis, Theodoros | | | 1724 | GRE | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Theodoropoulos, Nikolaos | | | 1757 | GRE | 0.00 | 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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