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Individual Calculations May 2023 |
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| Sfyrakis, Antonis Efraim Total change: -1.20 | |   |
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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 |
| 1261 | 1047 | 0.50 | 1 | 0.27 | 40 | 10.80 | |
|  Ikonomou, Theodoros | | | 1261 | GRE | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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 U14 open | Peristeri | GRE | 2023-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1393 | 1047 | 0.00 | 2 | -0.30 | 40 | -12.00 | |
| | Lampropoulos, Pavlos | | | 1554 | GRE | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Tsimpourakis, Dimitrios | | | 1231 | GRE | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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