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Individual Calculations April 2023 |
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| Koerant, Filipos Total change: 23.00 | |   |
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| 2023 Attica Friendship Cup | Attica | GRE | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1718 | 1.00 | 1 | 0.85 | 20 | 17.00 | |
|  Ignatiadis, Theodoros | | | 2009 | GRE | 1.00 | 1 | 0.85 | 20 | 17.00 | |
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 |
| 1937 | 1718 | 1.00 | 3 | 0.30 | 20 | 6.00 | |
|  Santorinaios, Hristodoulos | | | 1905 | GRE | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Fragkos, Vasilios | | | 2066 | GRE | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Lazaridis-Elmaloglou, Lazaros | | | 1840 | GRE | 1.00 | 1 | 0.67 | 20 | 13.40 | |
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) | | |
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