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Individual Calculations April 2008 |
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| Kosmas-Lekkas, Dimitiros Total change: -6.60 | |   |
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| 83rd Ambelokipi Open | Athens | GRE | 2007-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1998 | 3.00 | 5 | 0.48 | 15 | 7.20 | |
|  Fanourgakis, Konstantinos | | | 1819 | GRE | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Poulos, Georgios | | | 2064 | GRE | 1.00 | 1 | 0.59 | 15 | 8.85 | |  Kotrotsos, Vasilios | f | | 2295 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Mbourdakis, Stavros | | | 1981 | GRE | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Megaloudis, Petros | | | 1842 | GRE | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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) | | | | Attiki Youth Championships 2008 Boys U14 | Nikaia - Athens | GRE | 2008-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 2053 | 2.00 | 3 | -0.08 | 15 | -1.20 | |
| | Fragkos, Vasilios | | | 1981 | GRE | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Pappelis, Dimitrios | | | 1864 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Malamatas, Konstantinos | | | 1879 | GRE | 0.50 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | 4th "Triantafyllos Sipaeras" Memorial Open | Ambelokipi, Athens | GRE | 2008-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 2053 | 3.00 | 5 | -0.84 | 15 | -12.60 | |
| | Nteoudis, Konstantinos | | | 1703 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Koukoufikis, Ioannis | | | 1855 | GRE | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Kourkoulos-Arditis, Stamatis | | | 1764 | GRE | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Zaharopoulos, Dionisios | | | 1703 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Sigouros, Ioannis | | | 2082 | GRE | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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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