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Individual Calculations July 2009 |
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| Maratos, Antonios Total change: -27.00 | |   |
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| Team Cup Attica Friendship 2009 "NIKOS STROFALIS" | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1704 | 1739 | 1.00 | 4 | -1.17 | 15 | -17.55 | |
|  Kappos, Ioannis | | | 1783 | GRE | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Stamatakos, Dimitrios | | | 1821 | GRE | 0.00 | 1 | -0.39 | 15 | -5.85 | |  Pierrakou, Ekaterini | | | 1693 | GRE | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Tsakouridis, Georgios | | | 1518 | GRE | 0.50 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | 94th Ambelokipi open | Ambelokipi - Athens | GRE | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1739 | 1.00 | 2 | 0.14 | 15 | 2.10 | |
| | Delithanasis, Dimitrios | | | 2089 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sidiropoulos, Nikolaos | | | 1548 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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) | | | | 95th Open Ambelokipon | Ambelokipi - Athens | GRE | 2009-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1731 | 2.00 | 6 | -0.77 | 15 | -11.55 | |
| | Tepelenis, Nikolaos | | | 2081 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Manassakis, Georgios | | | 1957 | GRE | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Fragkou, Maria | | | 1462 | GRE | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Arvanitakis, Panagiotis | | | 1442 | GRE | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Koutoukidis, Panagiotis | | | 1895 | GRE | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Patrinos, Ilias | | | 1730 | GRE | 0.00 | 1 | -0.50 | 15 | -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) | | |
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