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Individual Calculations February 2023 |
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| Petkakis, Odysseas Total change: -6.00 | |   |
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| 2023 National Greek Under 18 youth championship | Larisa | GRE | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1529 | 1220 | 1.50 | 8 | -0.15 | 40 | -6.00 | |
|  Sidiropoulos, Vasilis | | | 1798 | GRE | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Mavridis, Athanasios | | | 1651 | GRE | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Papadopoulos, Filippos | | | 1632 | GRE | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Trapalis, Theodoros | | | 1757 | GRE | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Theodorou, Panagiotis | | | 1460 | GRE | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Providas, Konstantinos | | | 1071 | GRE | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Agrafiotis, Ioannis Stylianos | | | 1235 | GRE | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Theodoridis, Charalampos | | | 1624 | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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) | | |
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