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Individual Calculations April 2009 |
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| Poulopoulos, Ioannis Total change: -71.75 | |   |
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| Bikou Cup 1st Division | Attica - Local Clubs | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1757 | 1.50 | 4 | -0.17 | 25 | -4.25 | |
|  Mouratidis, Haralambos | | | 1831 | GRE | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Monoholias, Georgios | | | 1610 | GRE | 1.00 | 1 | 0.30 | 25 | 7.50 | |  Tassis, Ioannis | | | 1787 | GRE | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Efthimiatos, Georgios | | | 2107 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | 2009 Indiv. Youth Champ. of Attica - Boys U 12 | Nikea - Athens | GRE | 2008-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1613 | 1757 | 2.00 | 4 | -0.74 | 25 | -18.50 | |
| | Noutsos, Stamoulis | | | 1497 | GRE | 1.00 | 1 | 0.18 | 25 | 4.50 | | | Grigoriadis, Mihail | | | 1628 | GRE | 0.00 | 1 | -0.67 | 25 | -16.75 | | | Xanthopoulos, Vasilios | | | 1585 | GRE | 1.00 | 1 | 0.27 | 25 | 6.75 | | | Stathopoulos, Ioannis | | | 1740 | GRE | 0.00 | 1 | -0.52 | 25 | -13.00 | |
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) | | | | 2009 Attica team ch prelim. A div. | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1539 | 1757 | 0.50 | 2 | -1.06 | 25 | -26.50 | |
| | Sidiropoulos, Nikolaos | | | 1548 | GRE | 0.00 | 1 | -0.77 | 25 | -19.25 | | | Tsaknis, Vasilios | | | 1529 | GRE | 0.50 | 1 | -0.29 | 25 | -7.25 | |
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) | | | | 5th Memorial Siaperas | Ambelokipi Athens | GRE | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 1757 | 0.50 | 4 | -0.90 | 25 | -22.50 | |
| | Nathanail, Emanouel | | | 2107 | GRE | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Michailidis, Dimitrios | | | 1964 | GRE | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Inaneishvili, Avtandil | | | 1718 | GEO | 0.00 | 1 | -0.55 | 25 | -13.75 | | | Patrinos, Ilias | | | 1751 | GRE | 0.00 | 1 | -0.51 | 25 | -12.75 | |
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) | | |
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