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Individual Calculations February 2023 |
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| Obrochta, Lena Total change: -30.80 | |   |
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| Druzynowe Mistrzostwa Slaska Juniorow - Ekstraliga Slaska Juniorow 2023 Round 1-3 | Chorzow | POL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1703 | 1.50 | 3 | -0.77 | 40 | -30.80 | |
|  Wojs, Alicja | | | 1564 | POL | 0.00 | 1 | -0.69 | 40 | -27.60 | |  Oborska, Magda | | | 1589 | POL | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Lewkowicz, Zuzanna | | | 1303 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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