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Individual Calculations September 2009 |
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| Petraki, Maria Total change: 36.75 | |   |
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| 13th Heraklio Open 2009 - Group A' | N.Heraklio - Attiki | GRE | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 2030 | 4.50 | 9 | -1.72 | 15 | -25.80 | |
|  Papadopoulos, Georgios | | | 1700 | GRE | 0.00 | 1 | -0.88 | 15 | -13.20 | |  Avgoustinatos, Vassilis | | | 1814 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Koutsogiannopoulou, Theodora | | | 1844 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Sergeyev, Alexander | f | | 2363 | KAZ | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Roukounakis, Mihail | | | 1680 | GRE | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Adamos, Thomas | | | 1783 | GRE | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Koursaris, Nikolaos | | | 1885 | GRE | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Liaskos, Leonidas | | | 1998 | GRE | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Zivas, Konstantinos | | | 1821 | GRE | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | 37th Greek Team Championship of A' Category | Halkidiki | GRE | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2030 | 4.50 | 8 | 1.35 | 15 | 20.25 | |
| | Toumbeli, Zoi | | | 2078 | GRE | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Botsari, Anna-Maria | | wg | 2298 | GRE | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Stefanidi, Maria-Anna | | wf | 2120 | GRE | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Markantonaki, Haritomeni | | | 2108 | GRE | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Zawadzka, Jolanta | | wg | 2387 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Paganoglou, Anastasia | | | 1935 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Pambalou, Fotini | | | 2135 | GRE | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Dimitriadi, Aspasia | | | 1895 | 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 INTERN. TOURN. OF KAVALA '09 - GROUP A | Kavala | GRE | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2030 | 3.00 | 9 | 0.28 | 15 | 4.20 | |
| | Sandalakis, Angelos | | | 2350 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Galopoulos, Panagiotis | f | | 2161 | GRE | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Lazaridis, Har | | | 2118 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Dounis, Alexandros | | | 2186 | GRE | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Malikentzos, Sotirios | | | 2148 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Stefanidi, Maria-Anna | | wf | 2120 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Tepelenis, Nikolaos | | | 2263 | GRE | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Kounalakis, Evryklis | | | 2125 | GRE | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Pavlidou, Ekaterini | | | 2180 | GRE | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | 24th Intern. Chess Tournament "Acropolis 2009" | Halkida | GRE | 2009-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2318 | 2030 | 4.00 | 9 | 2.54 | 15 | 38.10 | |
| | Okara, Andrey | m | | 2389 | RUS | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Ozturk, Kubra | | wm | 2256 | TUR | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Gogolis, Alexandros | f | | 2275 | GRE | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Vragoteris, Antonios | f | | 2266 | GRE | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Charkhalashvili, Inga | | wg | 2357 | GEO | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Mamedjarova, Zeinab | | wg | 2325 | AZE | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Foisor, Cristina-Adela | m | wg | 2424 | ROU | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Yildiz, Betul Cemre | | wm | 2217 | TUR | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Asik, Josip | f | | 2356 | SRB | 0.00 | 1 | -0.13 | 15 | -1.95 | |
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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