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Individual Calculations January 2014 |
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| Petraki, Argiro Total change: -3.90 | |   |
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| Individual Championship U18 of Hania-Rethimno 2013 | Hania - Rethymno | GRE | 2013-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1222 | 1.00 | 4 | -0.18 | 15 | -2.70 | |
|  Kotsoglou, Evi | | | 1338 | GRE | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Filoxeni, Danai | | | 1418 | GRE | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Daskalaki, Sofia | | | 1332 | GRE | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Petraki, Evaggelia | | | 1421 | GRE | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | 2013 Greek Youth U16 Team championship - Finals | Kavala | GRE | 2013-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1202 | 1235 | 1.00 | 2 | -0.08 | 15 | -1.20 | |
| | Neokosmidi, Fotini-Zaharati | | | 1061 | GRE | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Louka, Magdalini | | | 1343 | GRE | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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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