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Individual Calculations January 2020 |
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| Kollia, Evgenia Total change: 35.20 | |   |
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| Open U16 Athens Challenge Oct 2019 | Athens | GRE | 2019-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1134 | 1.50 | 3 | 0.73 | 40 | 29.20 | |
|  Michailidis, Emmanouil | | | 1382 | GRE | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Pitsakis, Ilias | | | 1251 | GRE | 1.00 | 1 | 0.66 | 40 | 26.40 | |  Katsanis, Vasileios Dim | | | 1338 | GRE | 0.50 | 1 | 0.26 | 40 | 10.40 | |
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) | | | | 2019 Attica youth U12 team championship | ESSNA | GRE | 2019-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1006 | 1134 | 1.50 | 2 | 0.15 | 40 | 6.00 | |
| | Rigas, Athanasios | | | 1009 | GRE | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Koutsoukis, Georgios A | | | 1003 | GRE | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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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