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Individual Calculations December 2019 |
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| Kosma, Maria Total change: -1.20 | |   |
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| 2019 Youth U16 Team Championship of Attica | Attica | GRE | 2019-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1255 | 1158 | 1.50 | 4 | 0.01 | 40 | 0.40 | |
|  Tampakis, Vasileios | | | 1387 | GRE | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Perakaki, Makrina-Eirini | | | 1169 | GRE | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Ntala, Konstantina | | | 1225 | GRE | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Tsiripova, Eleni | | | 1238 | GRE | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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) | | | | 4th open 3 stars U1800 Oct 2019 | Athens | GRE | 2019-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1362 | 1.50 | 3 | -0.04 | 40 | -1.60 | |
| | Koutsoukis, Georgios A | | | 1003 | GRE | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Kassios, Dimitrios | | | 1460 | GRE | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Georgiadis, Anastasios | | | 1533 | GRE | 0.50 | 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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