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Individual Calculations September 2009 |
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| Mitridis, Dimitris Total change: 38.10 | |   |
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| 27th Greek Indiv. Championship open U16 | Kallithea - Halkidiki | GRE | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1781 | 1584 | 2.00 | 6 | 0.40 | 15 | 6.00 | |
|  Barbagiannis, Panayotis | | | 1922 | GRE | 1.00 | 1 | 0.88 | 15 | 13.20 | |  Serntedakis, Athanasios | | | 1904 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Tsounis, Serafim | | | 1823 | GRE | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Gouliaros-Antoniadis, Alexandro | | | 1854 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Habesis, Panayotis | | | 1735 | GRE | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Mazarakis, Athanasios | | | 1449 | GRE | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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 | 1600 | 3.00 | 6 | 2.11 | 15 | 31.65 | |
| | Issa, Mohammed | | | 1987 | UAE | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Mastrorilli, Nicola | | | 2000 * | ITA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Gouliaros-Antoniadis, Alexandro | | | 1858 | GRE | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Makropoulos, Ioannis | | | 1860 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Petsas, Spyridon | | | 1817 | GRE | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Kosmadakis, Dimitros | | | 1912 | GRE | 1.00 | 1 | 0.86 | 15 | 12.90 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Intern. Amateur Chess Tournament "Acropolis U.2200 2009" | Halkida | GRE | 2009-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1828 | 1600 | 1.00 | 4 | 0.03 | 15 | 0.45 | |
| | Koerant, Filipos | | | 2000 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Malikentzou, Nafsika | | | 1568 | GRE | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Kampitsis, Vasilios | | | 1919 | GRE | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Tsounis, Serafim | | | 1823 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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