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Individual Calculations February 2023 |
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| Vazelakis, Dimitrios Total change: -63.20 | |   |
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| Christmas open chess square 2022 | Athens | GRE | 2022-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1358 | 1706 | 2.50 | 6 | -2.74 | 20 | -54.80 | |
|  Christodoulopoulou, Antonia | | | 1306 * | GRE | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Gkogka, Klevis | | | 1264 | GRE | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Tsitimakis, Periklis | | | 1402 | GRE | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Hronopoulos, Dimitrios | | | 1229 | GRE | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Tsamtsouris, Efthymios | | | 1407 | GRE | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Kosma, Maria | | | 1541 | GRE | 0.00 | 1 | -0.72 | 20 | -14.40 | | | * 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) | | | | New Year's Heraklio 2023 U2023 | Heraklio Attikis | GRE | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1573 | 1710 | 3.50 | 6 | -0.42 | 20 | -8.40 | |
| | Kyriazi, Smaragda | | | 1325 | GRE | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Kosma, Maria | | | 1541 | GRE | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Dionysopoulos, Zacharias | | | 1899 | GRE | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Girvalakis, Spyridon | | | 1800 | GRE | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Tagklis, Ioannis | | | 1406 | GRE | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Kolyvas, Aris | | | 1469 | GRE | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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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