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Individual Calculations February 2013 |
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| Grafakou, Sotiria-Aphrodite Total change: 14.55 | |   |
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| 2012 ESSNA Team championship under 12 - "Dimitris Siametis" | Attica | GRE | 2012-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1503 | 1386 | 3.50 | 6 | 1.23 | 15 | 18.45 | |
|  Kanellakis, Kosmas | | | 1190 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Kouskoutis, Georgios-Alexandros | | | 1764 | GRE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Alexiadis, Hristos | | | 1786 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Karagiannis, Georgios | | | 1405 | GRE | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Georgiou, Konstantinos | | | 1306 | GRE | 1.00 | 1 | 0.39 | 15 | 5.85 | |  Gkikas, Vasilios | | | 1564 | GRE | 0.50 | 1 | 0.23 | 15 | 3.45 | | | * 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) | | | | 2nd Christmas tournament of Nikaia - B' Group | Athens - Nikaia | GRE | 2013-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1281 | 1378 | 1.00 | 2 | -0.26 | 15 | -3.90 | |
| | Bastianou, Chrysoula | | | 1227 | GRE | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Georgitsi, Antigoni | | | 1334 | GRE | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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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