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Individual Calculations May 2023 |
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| Priftis, Evangelos Total change: -40.80 | |   |
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| 2023 Team Championship of Attica - B Category rounds 5-9 | Attica | GRE | 2023-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1203 | 1127 | 0.00 | 2 | -0.79 | 40 | -31.60 | |
|  Kokkalis, Georgios Stef | | | 1224 | GRE | 0.00 | 1 | -0.37 | 40 | -14.80 | |  Tzortzatos, Konstantinos | | | 1182 | GRE | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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) | | | | 2023 Youth Championship of Attica U12 open | Peristeri | GRE | 2023-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1271 | 1152 | 0.50 | 2 | -0.23 | 40 | -9.20 | |
| | Tsomidis, Stefanos | | | 1101 | GRE | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Anagnostopoulos, Panagiotis | | | 1440 | GRE | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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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