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Individual Calculations September 2021 |
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| Demelkas, Ioannis Total change: -46.20 | |   |
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| 30th International open of Kavala 2021 - B group | Kavala | GRE | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1476 | 1762 | 3.50 | 7 | -2.31 | 20 | -46.20 | |
|  Gkika, Marina | | | 1362 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Mitsiou, Georgios | | | 1540 | GRE | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Tzortzatos, Ioannis | | | 1362 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gkavardinas, Christos Konstantino | | | 1528 | GRE | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Koutras, Konstantinos | | | 1595 | GRE | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Kassios, Dimitrios | | | 1529 | GRE | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Kalogridis, Themistoklis | | | 1413 | GRE | 0.50 | 1 | -0.39 | 20 | -7.80 | | | * 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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