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Individual Calculations March 2011 |
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| Grafakou, Sotiria-Aphrodite Total change: 14.10 | |   |
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| 2010 Attica Team Championship Under 12 | Attica | GRE | 2010-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1219 | 1383 | 1.00 | 1 | 0.28 | 15 | 4.20 | |
|  Koutsidi, Amalia | | | 1219 | GRE | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | | | Attica Individual Youth Ch. 2011 - Girls U10 | Athens | GRE | 2010-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1383 | 2.50 | 3 | 0.70 | 15 | 10.50 | |
| | Koutsidi, Amalia | | | 1246 | GRE | 1.00 | 1 | 0.32 | 15 | 4.80 | |  Pramateftaki, Loukia | | | 1344 | GRE | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Kouta, Vasiliki | | | 1336 | GRE | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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) | | | | 1st Fischer memorial - SO Ambelokipon | Ambelokipi - Athens | GRE | 2011-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1363 | 1.00 | 5 | -0.04 | 15 | -0.60 | |
| | Vlahos, Athanasios | | | 1763 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ifandis, Andreas | | | 1678 | GRE | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Divaris, Dionisis | | | 1763 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Livanopoulou, Athina | | | 1243 | GRE | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Kiriazis, Dimitrios | | | 1763 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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