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Individual Calculations July 2023 |
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| Vazelakis, Dimitrios Total change: -16.20 | |   |
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| Spring open Chess Square 2023 | Athens | GRE | 2023-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1434 | 1616 | 2.50 | 4 | -0.20 | 20 | -4.00 | |
|  Yannopapas, Vasileios | | | 1216 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Panopoulos, Ioannis | | | 1877 | GRE | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Drivas, Georgios I | | | 1139 | GRE | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Antoniadis, Anastasios | | | 1503 | GRE | 0.50 | 1 | -0.15 | 20 | -3.00 | | | * 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) | | | | 2023 Team Cup of Attica | Attica | GRE | 2023-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1616 | 1.00 | 3 | -0.61 | 20 | -12.20 | |
| | Goridaris, Nikolaos | | | 1504 | GRE | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Grosias, Aristeidis | | | 1276 | GRE | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Tzortzis, Dimitrios | | | 2013 | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | |
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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