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Individual Calculations April 2009 |
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| Girvalakis, Spyridon Total change: 21.00 | |   |
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| 93th Ambelokipi Open | Ambelokipi, Athens | GRE | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1826 | 2040 | 5.00 | 6 | 0.54 | 15 | 8.10 | |
|  Arvanitakis, Panagiotis | | | 1690 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Arvanitis, Haralambos | | | 1744 | GRE | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Delithanasis, Dimitrios | | | 2262 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Stergiou, Georgios | | | 1690 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Arvanitis, Georgios | | | 1703 | GRE | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Fanourgakis, Konstantinos | | | 1864 | GRE | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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 2 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2040 | 4.00 | 6 | 0.86 | 15 | 12.90 | |
| | Sigouros, Ioannis | | | 2004 | GRE | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Soukos, Konstantinos | | | 2116 | GRE | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Efthimiou, Georgios | | | 1829 | GRE | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Delikanakis, Nikolaos | | | 2046 | GRE | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Gripeos, Kiriakos | | | 2195 | GRE | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Mathiopoulos, Alexandros | | | 1934 | GRE | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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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