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Individual Calculations July 2023 |
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| Afantiti, Maria Varvara Total change: 40.00 | |   |
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| Spring open Piraeus CC | Piraeus | GRE | 2023-05-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1478 | 1067 | 1.00 | 2 | 0.75 | 40 | 30.00 | |
|  Vlahos, Athanasios | | | 1679 | GRE | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Roussos, Ioannis | | | 1276 | GRE | 1.00 | 1 | 0.77 | 40 | 30.80 | |
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) | | | | 1st Royal Gambit Open ESP Machites - B | Piraeus | GRE | 2023-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1158 | 1067 | 1.00 | 2 | 0.25 | 40 | 10.00 | |
| | Katsamanis, Andreas | | | 1155 | GRE | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Talaverou, Vasiliki Viktoria | | | 1161 | GRE | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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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