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Individual Calculations February 2023 |
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| Zouroufidis, Konstantinos Total change: 97.60 | |   |
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| 5th open Nikolaos Giamarelos 2023 - A group | Chalkida | GRE | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1242 | 2.50 | 7 | 0.93 | 40 | 37.20 | |
|  Kiryttopoulos, Ioannis | | | 1587 | GRE | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Kontogianni, Vasiliki (vivian) | | | 1437 | GRE | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Theodoropoulos, Alexandros | | | 1454 | GRE | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Tsamtsouris, Efthymios | | | 1431 | GRE | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Vasileiou, Ioannis | | | 1544 | GRE | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Zouroufidis, Ifikratis | | | 1202 | GRE | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Vidalis, Evagelos | | | 1833 | GRE | 0.00 | 1 | -0.02 | 40 | -0.80 | |
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) | | | | 7th open Korinthos 2023 | Korinthos | GRE | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1388 | 1242 | 2.50 | 3 | 1.51 | 40 | 60.40 | |
| | Alepoudeas, Stylianos | | | 1593 | GRE | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Kalliantasis, Serafeim | | | 1241 | GRE | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Angelopoulos, Panagiotis Charalam | | | 1329 | GRE | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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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