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Individual Calculations October 2021 |
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| Kollia, Evgenia Total change: -8.80 | |   |
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| 2021 National youth girls U12 finals | Patra | GRE | 2021-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1271 | 1181 | 1.00 | 3 | -0.14 | 40 | -5.60 | |
|  Toumpakari, Maria | | | 1376 | GRE | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Sklavounou, Kalliopi | | | 1303 | GRE | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Maniati, Konstantina | | | 1135 | GRE | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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) | | | | 48th Team Championship A Category - South | Athens | GRE | 2021-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1122 | 1271 | 2.00 | 3 | -0.08 | 40 | -3.20 | |
| | Kioseoglou, Foteini | | | 1107 | GRE | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Sarantou, Ioanna | | | 1020 | GRE | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Koutrou, Erietta | | | 1238 | GRE | 1.00 | 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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