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Individual Calculations July 2023 |
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| Koumela, Maria Anna Total change: 17.20 | |   |
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| ACC under 1700 tournament Apr 2023 | Athens | GRE | 2023-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1568 | 1040 | 0.50 | 2 | 0.43 | 40 | 17.20 | |
|  Pavlis, Antonios | | | 1503 | GRE | 0.50 | 1 | 0.45 | 40 | 18.00 | |  Marianidis, Dimitrios | | | 1633 | 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) | | |
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