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Individual Calculations March 2023 |
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| Brzezina, Piotr Total change: 44.00 | |   |
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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 |
| 1576 | 1917 | 5.50 | 6 | 0.51 | 40 | 20.40 | |
|  Hryniewicz, Maciej | | | 1295 | POL | 1.00 | 1 | 0.01 | 40 | 0.40 | |  Pycinski, Wladyslaw | | | 1856 | POL | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Oles, Mateusz | | | 1445 | POL | 1.00 | 1 | 0.05 | 40 | 2.00 | | | Karwot, Marek | | | 1528 | POL | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Lecki, Leonard | | | 1814 | POL | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Baran, Szymon | | | 1517 * | 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) | | | | Druzynowe Mistrzostwa Slaska Seniorow - Ekstraliga 2023 Round 4-6 | Chorzow | POL | 2023-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1917 | 2.50 | 3 | 0.59 | 40 | 23.60 | |
| | Sulkowski, Andrzej | | | 1795 | POL | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Boruta, Dawid | | | 1965 | POL | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Chrobak, Piotr | | | 1663 | POL | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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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