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Individual Calculations January 2009 |
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| Margaritis, Ioannis Total change: -35.00 | |   |
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| ATTICA YOUTH (U12) TEAM CHAMP. 2008 FINAL 8 | ATTICA | GRE | 2008-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1702 | 0.00 | 2 | -1.10 | 25 | -27.50 | |
|  Kostas, Alexandros | | | 1809 | GRE | 0.00 | 1 | -0.35 | 25 | -8.75 | |  Tsaknis, Vasilios | | | 1509 | GRE | 0.00 | 1 | -0.75 | 25 | -18.75 | |
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) | | | | 10th Aegaleo Open 2008 | Aegaleo - Athens | GRE | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1702 | 1.00 | 4 | 0.09 | 25 | 2.25 | |
| | Georgiopoulos, Har | | | 1912 | GRE | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Mouratidis, Haralambos | | | 1831 | GRE | 1.00 | 1 | 0.67 | 25 | 16.75 | | | Koursaris, Nikolaos | | | 1903 | GRE | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Taylor, Michael | | | 2052 | ENG | 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) | | | | Attica Championship Boys U-20 2009 | Aigaleo - Athens | GRE | 2008-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1702 | 0.00 | 1 | -0.39 | 25 | -9.75 | |
| | Fotiadis, Ioannis | | | 1784 | GRE | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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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