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Individual Calculations May 2012 |
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| Grafakou, Sotiria-Aphrodite Total change: 12.00 | |   |
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| Team "Friendship Cup" of Attica 2012 - Group B | Attica | GRE | 2012-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1380 | 0.50 | 2 | 0.09 | 15 | 1.35 | |
|  Sidiropoulos, Nikolaos | | | 1780 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ermidis, Filippos | | | 1505 | GRE | 0.50 | 1 | 0.17 | 15 | 2.55 | | | * 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) | | | | ESSNA Individual championships 2012 - Girls under 12 | Peristeri - Athens | GRE | 2012-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1379 | 3.50 | 5 | 0.71 | 15 | 10.65 | |
| | Kokkota, Fotini | | | 1255 | GRE | 1.00 | 1 | 0.33 | 15 | 4.95 | |  Bouza, Mirto - Eleni | | | 1266 | GRE | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Douni, Maria | | | 1546 | GRE | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Koutsidi, Amalia | | | 1265 | GRE | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Pramateftaki, Loukia | | | 1359 | GRE | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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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