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Individual Calculations April 2023 |
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| Hreppas, Ilias Total change: 22.20 | |   |
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| 2023 Attica Friendship Cup | Attica | GRE | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1679 | 1604 | 1.50 | 2 | 0.65 | 20 | 13.00 | |
|  Ignatiadis, Konstantinos | | | 1914 | GRE | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Ioannou, Ioannis | | | 1443 | GRE | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | 2023 Team Championship of Attica - A Local rounds 1-5 | Attica | GRE | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1442 | 1604 | 2.50 | 3 | 0.46 | 20 | 9.20 | |
| | Katsogiannis, Rafail | | | 1204 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kalesis, Spyridon | | | 1648 | GRE | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Chalkiadakis, Nikolaos | | | 1473 | GRE | 0.50 | 1 | -0.18 | 20 | -3.60 | | | * 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) | | |
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