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Individual Calculations September 2011 |
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| Petraki, Maria Total change: 10.05 | |   |
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| 9th chess open of Fysiolatris - A' Group | Nikaia - Athens | GRE | 2011-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2029 | 5.50 | 9 | 1.91 | 15 | 28.65 | |
|  Tolias, Athanasios | | | 1679 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Logothetis, Sotirios | f | | 2237 | GRE | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Papadimitriou, Athanasios | | | 2184 | GRE | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Skaperdas, Kostantinos | | | 2192 | GRE | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Karagiannis, Athanasios | m | | 2337 | GRE | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Malliaros, Stavros | | | 2107 | GRE | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Kamenets, Anatolij | m | | 2295 | UKR | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Ikonomopoulou, Maria | | wf | 2121 | GRE | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Noutsos, Stamoulis | | | 1770 | GRE | 1.00 | 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) | | | | 39th National Team Championship of A' Category | Eretria | GRE | 2011-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2024 | 2.00 | 6 | -1.03 | 15 | -15.45 | |
| | Grapsa, Georgia | | | 2057 | GRE | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Barbageorgopoulou, Despina | | | 1752 | GRE | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Makropoulou, Marina | | wg | 2282 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Genova, Ruzka | | wm | 2188 | BUL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Shamash, Michelle | | | 1751 | GRE | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Stefanidi, Maria-Anna | | wf | 2055 | GRE | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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) | | | | 20th International Open of Kavala 2011 - A' Group | Kavala | GRE | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2024 | 3.00 | 9 | -0.21 | 15 | -3.15 | |
| | Kanakaris, Georgios | | | 2281 | GRE | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Ashwin, Jayaram | m | | 2424 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Stathopoulos, Ioannis | | | 2122 | GRE | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Hamaletsos, Hristoforos | | | 2188 | GRE | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Gimnopoulos, Lazaros | | | 2144 | GRE | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Minas, Ioannis | | | 1941 | GRE | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Romanos, Theodoros | | | 2072 | GRE | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Androni, Konstantina | | | 1967 | GRE | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Vlassis, Georgios | | | 2138 | GRE | 0.50 | 1 | 0.16 | 15 | 2.40 | | | * 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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