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Individual Calculations April 2009 |
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| Xanthopoulos, Vasilios Total change: 12.50 | |   |
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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 | 1585 | 0.00 | 2 | -0.41 | 25 | -10.25 | |
|  Prassas, Georgios | | | 1935 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Iliopoulos, Alexandros | | | 1733 | GRE | 0.00 | 1 | -0.30 | 25 | -7.50 | |
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) | | | | Bikou Cup 2008 2nd Division | Attica | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1653 | 1585 | 0.50 | 1 | 0.09 | 25 | 2.25 | |
| | Stamoulis, Ilias | | | 1653 | GRE | 0.50 | 1 | 0.09 | 25 | 2.25 | |
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) | | | | 2009 Indiv. Youth Champ. of Attica - Boys U 12 | Nikea - Athens | GRE | 2008-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1585 | 2.50 | 4 | 0.82 | 25 | 20.50 | |
| | Margaritis, Ioannis | | | 1702 | GRE | 0.50 | 1 | 0.16 | 25 | 4.00 | | | Panagos, Theodoros | | | 1603 | GRE | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Poulopoulos, Ioannis | | | 1757 | GRE | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Tsaknis, Vasilios | | | 1509 | GRE | 1.00 | 1 | 0.40 | 25 | 10.00 | |
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) | | |
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