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Individual Calculations February 2023 |
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| Kostis, Apostolos Total change: -28.00 | |   |
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| 5th open Nikolaos Giamarelos 2023 - A group | Chalkida | GRE | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1344 | 1311 | 1.50 | 6 | -1.40 | 20 | -28.00 | |
|  Kalyva, Kyriaki | | | 1775 | GRE | 0.00 | 1 | -0.05 | 20 | -1.00 | |  Diakoumeas, Aristofanis | | | 1474 | GRE | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Pissadaki, Despoina | | | 1120 | GRE | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Iakovidis, Othonas | | | 1235 | GRE | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Tamiolakis, Grigorios | | | 1223 | GRE | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Vagiakos, Fotios | | | 1235 | GRE | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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) | | |
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