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Individual Calculations April 2008 |
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| Zaharopoulos, Dionisios Total change: -19.35 | |   |
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| 83rd Ambelokipi Open | Athens | GRE | 2007-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1497 | 0.00 | 3 | -0.87 | 25 | -21.75 | |
|  Poteas, Ioannis | | | 1847 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Karatzanos, Konstantinos | | | 1451 | GRE | 0.00 | 1 | -0.56 | 25 | -14.00 | | | Anisios, Markos | | | 1742 | GRE | 0.00 | 1 | -0.20 | 25 | -5.00 | |
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 | | 84th Ambelokipi Open | Ambelokipi - Athens | GRE | 2008-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1767 | 1525 | 1.00 | 4 | 0.11 | 15 | 1.65 | |
| | Skourtis, Efstratios | | | 1875 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Mitsakos, Achilleas | | | 1861 | GRE | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Megaloudis, Petros | | | 1803 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Nteoudis, Konstantinos | | | 1529 | GRE | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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) | | | NOTE: K factor changed | | 4th "Triantafyllos Sipaeras" Memorial Open | Ambelokipi, Athens | GRE | 2008-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 1525 | 0.50 | 4 | 0.05 | 15 | 0.75 | |
| | Sideris, Theodoros | | | 1875 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tyralis, Hristos | | | 1875 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Thrasivoulidis, Michail | | | 1858 | GRE | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Kosmas-Lekkas, Dimitiros | | | 1875 | 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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