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Individual Calculations December 2017 |
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| Zaga, Konstantina Total change: -28.40 | |   |
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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 |
| 1087 | 1111 | 0.00 | 1 | -0.53 | 40 | -21.20 | |
|  Betsakou, Sofia | | | 1087 | GRE | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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) | | | | 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 | 1111 | 0.50 | 2 | -0.18 | 40 | -7.20 | |
| | Lagogianni, Niki Vasiliki | | | 1103 | GRE | 0.50 | 1 | -0.01 | 40 | -0.40 | |  Tsakona, Maria | | | 1388 | GRE | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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) | | |
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