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Individual Calculations March 2023 |
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| Obrochta, Lena Total change: 1.60 | |   |
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| Druzynowe Mistrzostwa Slaska Juniorow - Ekstraliga Slaska Juniorow 2023 Round 4-9 | Chorzow | POL | 2023-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1672 | 2.00 | 3 | -0.16 | 40 | -6.40 | |
|  Mroz, Lena | | | 1620 | POL | 0.50 | 1 | -0.07 | 40 | -2.80 | |  Bialek, Alicja | | | 1545 | POL | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Tim, Anna | | | 1272 * | POL | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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) | | | | Druzynowe Mistrzostwa Slaska Seniorow - Ekstraliga 2023 Round 4-6 | Chorzow | POL | 2023-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1672 | 0.50 | 1 | 0.20 | 40 | 8.00 | |
| | Orlik, Sandra | | | 1818 | POL | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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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