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Individual Calculations July 2009 |
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| Sarantakos, Sotirios Total change: -54.85 | |   |
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| 94th Ambelokipi open | Ambelokipi - Athens | GRE | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1768 | 0.50 | 3 | -0.75 | 25 | -18.75 | |
|  Fanourgakis, Konstantinos | | | 1864 | GRE | 0.00 | 1 | -0.37 | 25 | -9.25 | |  Zambrakos, Efthimios | | | 1970 | GRE | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Anisios, Markos | | | 1667 | GRE | 0.50 | 1 | -0.14 | 25 | -3.50 | |
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) | | | | 95th Open Ambelokipon | Ambelokipi - Athens | GRE | 2009-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1768 | 1.00 | 5 | -1.18 | 25 | -29.50 | |
| | Sfougatakis, Nikolaos | | | 1974 | GRE | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Karystianos, Petros | | | 1515 | GRE | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Manassakis, Georgios | | | 1957 | GRE | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Marianidis, Dimitrios | | | 1842 | GRE | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Adamos, Thomas | | | 1783 | GRE | 0.00 | 1 | -0.48 | 25 | -12.00 | |
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) | | | NOTE: K factor changed | | 96 Ambelokipi Open | Athens | GRE | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 1768 | 0.00 | 2 | -0.44 | 15 | -6.60 | |
| | Ilandzis, Spyridon | | | 2118 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Koutoukidis, Panagiotis | | | 1895 | GRE | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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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