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Individual Calculations September 2023 |
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| Petrenko, Maryna Total change: -23.20 | |   |
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| The Irish Women's Chess Championship 2023 | Dublin | IRL | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1722 | 0.00 | 3 | -0.58 | 40 | -23.20 | |
|  Mats, Diana | | | 2060 | UKR | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Putar, Lara | | | 1960 | IRL | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Mirza, Diana | | wf | 1902 | IRL | 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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