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Individual Calculations July 2019 |
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| Petrakis, Ilias Total change: -2.20 | |   |
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| 22nd International Open Athens Challenge 2019 - Group A | Heraklio Attikis | GRE | 2019-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2117 | 5.00 | 9 | -0.11 | 20 | -2.20 | |
|  Vagionakis, Markos | | | 1717 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Spyropoulos, Nikolaos | f | | 2416 | GRE | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Mitsis, Georgios | | | 2365 | GRE | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Krallis, Christos | | | 2267 | GRE | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Samaras, Georgios | | | 1751 | GRE | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Dounis, Alexandros | f | | 2242 | GRE | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Kalomiris, Athanasios | | | 1838 | GRE | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Kasioumis, Vasilios | | | 1994 | GRE | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Kiousi, Panagiota | | | 1870 | GRE | 0.50 | 1 | -0.31 | 20 | -6.20 | | | * 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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