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Individual Calculations January 2023 |
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| Priftis, Evangelos Total change: 56.40 | |   |
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| 2022 Youth U16 Team Championship of Attica | Attica | GRE | 2022-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 1102 | 1.00 | 4 | 0.25 | 40 | 10.00 | |
|  Talaverou, Vasiliki Viktoria | | | 1117 | GRE | 0.50 | 1 | 0.02 | 40 | 0.80 | |  Pothos, Aris | | | 1556 | GRE | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Ntounias, Ioannis | | | 1641 | GRE | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Lampropoulos, Pavlos | | | 1361 | GRE | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | Celebration open chess square 2022 | Athens | GRE | 2022-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1380 | 1102 | 2.00 | 5 | 1.01 | 40 | 40.40 | |
| | Gkekos, Ioannis | | | 1485 | GRE | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Papadopoulos, Antonios Ioan | | | 1277 | GRE | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Kalliantasis, Serafeim | | | 1261 | GRE | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Koulis, Christos G | | | 1240 | GRE | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Hreppas, Ilias | | | 1637 | GRE | 0.00 | 1 | -0.03 | 40 | -1.20 | |
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) | | | | 2022 National Youth Team U16 championships - Finals | Rio Achaias | GRE | 2022-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1495 | 1070 | 0.50 | 3 | 0.15 | 40 | 6.00 | |
| | Margaritis, Ioannis M | | | 1695 | GRE | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Skodras, Marios Konstantinos | | | 1568 | GRE | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Kartsakis, Ioannis | | | 1223 | GRE | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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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