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Individual Calculations April 2009 |
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| Maratos, Antonios Total change: -7.65 | |   |
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| Bikou Cup 1st Division | Attica - Local Clubs | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1747 | 0.50 | 2 | -0.49 | 15 | -7.35 | |
|  Nemtsas, Hristoforos | | | 1834 | GRE | 0.00 | 1 | -0.38 | 15 | -5.70 | |  Xirouhakis, Alexandros | | | 1669 | GRE | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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 teams Ch. A' local div. - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1739 | 0.00 | 1 | -0.20 | 15 | -3.00 | |
| | Apostolidis, Ioannis | | | 1981 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | 5th Memorial Siaperas | Ambelokipi Athens | GRE | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1739 | 1.50 | 5 | 0.18 | 15 | 2.70 | |
| | Solias, Georgios | | | 2040 | GRE | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Michailidis, Dimitrios | | | 1964 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Patrinos, Ilias | | | 1751 | GRE | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Kiriazis, Dimitrios | | | 1845 | GRE | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Koerant, Filipos | | | 2089 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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