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Individual Calculations December 2017 |
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| Betsakou, Sofia Total change: 14.80 | |   |
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| 12th team youth championship under 12 ESSTH-CHALK 2017 | ESSTH-CHALK | GRE | 2017-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1072 | 1087 | 2.00 | 2 | 0.95 | 40 | 38.00 | |
|  Zaga, Konstantina | | | 1111 | GRE | 1.00 | 1 | 0.53 | 40 | 21.20 | |  Tzovani, Dimitra | | | 1032 | GRE | 1.00 | 1 | 0.42 | 40 | 16.80 | |
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) | | | | 10th team youth championship under 16 ESSTH-CHALK 2017 | ESSTH-CHALK | GRE | 2017-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1246 | 1067 | 0.00 | 2 | -0.58 | 40 | -23.20 | |
| | Tsakona, Maria | | | 1388 | GRE | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Lagogianni, Niki Vasiliki | | | 1103 | GRE | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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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