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Individual Calculations September 2009 |
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| Bakirtzis, Triantafilos Total change: 1.25 | |   |
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| Greek Open Champ. Men - Women, Preliminaries ESSAMTH | Kavala | GRE | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1657 | 3.00 | 6 | 1.29 | 25 | 32.25 | |
|  Koroglou, Viktor | | | 1854 | GRE | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Topouzis, Sotirios | | | 1545 | GRE | 1.00 | 1 | 0.35 | 25 | 8.75 | |  Lithoxoos, Theodoros | | | 1681 | GRE | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Manelidis, Savvas | | | 1998 | GRE | 1.00 | 1 | 0.88 | 25 | 22.00 | | | Dorfanis, Ilarion | | | 2007 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Manelidou, Maria | | | 2007 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | 18th Greek Indiv. Championship open U12 | Kallithea - Halkidiki | GRE | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1664 | 1657 | 1.00 | 4 | -0.96 | 25 | -24.00 | |
| | Kourkoulos-Arditis, Stamatis | | | 1811 | GRE | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Poulopoulos, Ioannis | | | 1685 | GRE | 1.00 | 1 | 0.54 | 25 | 13.50 | | | Vakalis, Angelos | | | 1592 | GRE | 0.00 | 1 | -0.59 | 25 | -14.75 | | | Sidiropoulos, Nikolaos | | | 1567 | GRE | 0.00 | 1 | -0.62 | 25 | -15.50 | |
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) | | | | 18th Open Inter. Tourn. "KAVALA 2009" GROUP B | Kavala | GRE | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1657 | 0.50 | 4 | -0.28 | 25 | -7.00 | |
| | Kafetzis, Georgios | | | 1893 | GRE | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Bonvalot, Isabelle | | | 1971 | FRA | 0.50 | 1 | 0.36 | 25 | 9.00 | | | Makropoulos, Ioannis | | | 1860 | GRE | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Hatzigiannis, Spiridon | | | 1898 | 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) | | |
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