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Individual Calculations February 2019 |
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| Matthaiaki, Nefeli Total change: 66.40 | |   |
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| 2018 youth under 18 championships of ESSK - girls | ESSK | GRE | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1343 | 1206 | 2.00 | 3 | 0.99 | 40 | 39.60 | |
|  Ergazaki, Eirini | | | 1509 | GRE | 0.50 | 1 | 0.36 | 40 | 14.40 | |  Orfanaki, Kalliopi | | | 1110 | GRE | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Koutsouraki, Ariadni | | | 1409 | GRE | 0.50 | 1 | 0.26 | 40 | 10.40 | |
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) | | | | 21st Greek Youth under 18 National Championship 2019 girls | Rethymno | GRE | 2019-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1439 | 1260 | 2.50 | 6 | 0.67 | 40 | 26.80 | |
| | Chatziioannidi, Filippa | | | 1542 | GRE | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Kouta, Antonia | | | 1660 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Platsaki, Evgenia Valeria | | | 1031 | GRE | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Koukouraki, Hrisi | | | 1269 | GRE | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Karavitaki, Evaggelia | | | 1660 * | GRE | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Foinikianaki, Stella | | | 1474 | GRE | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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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