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Individual Calculations January 2009 |
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| Petousis, Konstantinos Total change: -12.00 | |   |
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| 89th Ambelokipi Open | Athens | GRE | 2008-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1805 | 0.00 | 3 | -0.81 | 15 | -12.15 | |
|  Karountzos, Nikolaos | | | 2042 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Badredin, Panagiotis | | | 1921 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Dimopoulos, Georgios | | | 1979 | GRE | 0.00 | 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) | | | | 90th Ambelokipi Open | Ambelokipi, Athens - Greece | GRE | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1802 | 1.00 | 3 | 0.01 | 15 | 0.15 | |
| | Himaras, Stefanos | | | 2152 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Syfantos, Nikolaos | | | 1808 | GRE | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Avgoustinatos, Vassilis | | | 1885 | GRE | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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