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Individual Calculations September 2023 |
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| Petrakov, Bogdan Total change: -53.60 | |   |
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| "Black Sea Delphin-2023" U-20 | Batumi | GEO | 2023-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1140 | 1230 | 0.50 | 3 | -1.34 | 40 | -53.60 | |
|  Tsikaridze, Anastasia | | | 1147 | GEO | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Jibuti, Alexandre | | | 1018 | GEO | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Shevchenko, Artem | | | 1256 | UKR | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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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