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Individual Calculations April 2023 |
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| Stefanopoulos, Orestis Total change: 19.80 | |   |
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| 2023 Attica Friendship Cup | Attica | GRE | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 2021 | 2.00 | 2 | 0.66 | 20 | 13.20 | |
|  Dionysopoulos, Zacharias | | | 1899 | GRE | 1.00 | 1 | 0.33 | 20 | 6.60 | |  Ornithopoulos, Nikolaos | | | 1892 | GRE | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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) | | | | 2023 Team Championship of Attica - A Local rounds 1-5 | Attica | GRE | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 2021 | 2.50 | 4 | 0.33 | 20 | 6.60 | |
| | Gazis, Panagiotis | | | 1903 | GRE | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Gazis, Efstathios | f | | 2160 | GRE | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Lagos, Thomas | | | 1932 | GRE | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Bouboulis, Spyridon-Odysseys | | | 1960 | GRE | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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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