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Individual Calculations April 2021 |
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| Obrochta, Lena Total change: 4.00 | |   |
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| Druzynowe Mistrzostwa Slaska Seniorow - I Liga Round 1-6 | Chorzow | POL | 2021-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1359 | 1759 | 3.00 | 3 | 0.24 | 40 | 9.60 | |
|  Sidlo, Malgorzata | | | 1359 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Kukula, Klara | | | 1359 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Lajdamik, Anna | | | 1359 * | 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) | | | | Indywidualne Mistrzostwa Polski Juniorow D16 2021 | Szklarska Poreba | POL | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1749 | 6.00 | 9 | -0.14 | 40 | -5.60 | |
| | Czerwinska, Oliwia | | | 1428 | POL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Dallemura, Anna | | | 1448 | POL | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Gaczol, Julia | | | 1449 | POL | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Czernikowska, Laura | | wc | 1610 | POL | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Nowak, Roksana | | | 1548 | POL | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Mroz, Lena | | | 1658 | POL | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Goraj, Barbara | | wc | 2050 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Uliasz, Katarzyna | | | 1574 | POL | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Kucharska, Helena | | | 1659 | POL | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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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