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Individual Calculations April 2023 |
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| Koutrakis, Stamatios Total change: -6.40 | |   |
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| 18th open T Siaperas 2023 | Athens | GRE | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1830 | 4.00 | 6 | -1.16 | 20 | -23.20 | |
|  Tsimpourakis, Dimitrios | | | 1207 | GRE | 1.00 | 1 | 0.01 | 20 | 0.20 | |  Drimalas, Andreas Anastasios | | | 1537 | GRE | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Magkias, Vasilios | | | 1718 | GRE | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Boulamatsis, Konstantinos I | | | 1622 | GRE | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Osmani, Sokol | | | 1233 | GRE | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Bakos, Konstantinos | | | 1430 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2023 Attica Friendship Cup | Attica | GRE | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1310 | 1830 | 2.00 | 2 | 0.09 | 20 | 1.80 | |
| | Samouridis, Vasileios | | | 1430 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Katsamanis, Andreas | | | 1189 | GRE | 1.00 | 1 | 0.01 | 20 | 0.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2023 Team Championship of Attica - A Local rounds 1-5 | Attica | GRE | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1830 | 1.50 | 2 | 0.75 | 20 | 15.00 | |
| | Merasedoglou, Dimitrios - Nektar | | | 1881 | GRE | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Giordos, Vasilios | | | 1967 | GRE | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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) | | |
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