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Individual Calculations January 2023 |
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| Ntaifas, Ioannis Total change: -3.40 | |   |
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| 4th Stamatopoulos Open 2022 | Athens | GRE | 2022-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1579 | 1663 | 2.00 | 3 | 0.23 | 20 | 4.60 | |
|  Lupu, Nikolaos | | | 1287 | GRE | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Mokas, Vasilios | | | 1531 | GRE | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Karathanasis, Vlasis | | | 1920 | GRE | 0.00 | 1 | -0.18 | 20 | -3.60 | |
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) | | | | 10th open PAO Chess Club 2022 | Athens | GRE | 2022-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1663 | 1.00 | 4 | -0.40 | 20 | -8.00 | |
| | Voulgaris, Georgios | | | 1290 | GRE | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Georgiadis, Anastasios | | | 1949 | GRE | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Ignatiadis, Konstantinos | | | 1910 | GRE | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Kazantzoglou, Stefanos | | | 1962 | GRE | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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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