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Individual Calculations February 2019 |
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| Foinikianaki, Stella Total change: -2.40 | |   |
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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 |
| 1219 | 1478 | 2.50 | 4 | -0.68 | 40 | -27.20 | |
|  Orfanaki, Kalliopi | | | 1110 | GRE | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Koutsouraki, Ariadni | | | 1409 | GRE | 0.00 | 1 | -0.60 | 40 | -24.00 | |  Karouzou, Melina Andomachi | | | 1078 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Tsapaki, Asimenia | | | 1280 | GRE | 0.50 | 1 | -0.26 | 40 | -10.40 | | | * 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) | | | | 21st Greek Youth under 18 National Championship 2019 girls | Rethymno | GRE | 2019-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1493 | 1474 | 3.50 | 6 | 0.62 | 40 | 24.80 | |
| | Strati, Betty - Anna | | | 1721 | GRE | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Koukouraki, Hrisi | | | 1269 | GRE | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Chatziioannidi, Filippa | | | 1542 | GRE | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Koutsouraki, Ariadni | | | 1420 | GRE | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Kouta, Antonia | | | 1746 | GRE | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Matthaiaki, Nefeli | | | 1260 | GRE | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | |
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