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Individual Calculations October 2021 |
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| Dukaczewski, Piotr Total change: 8.60 | |   |
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| Puchar Polski Niewidomych i Slabowidzacych w Szachach 2021 | Niechorze | POL | 2021-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 2145 | 8.00 | 9 | 0.43 | 20 | 8.60 | |
|  Bialas, Stanislaw | | | 1745 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Niedzwiedz, Antoni | | | 1745 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kowalczyk, Marian | | | 1867 | POL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Stolarczyk, Anna | | wc | 1917 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Stachanczyk, Jacek | m | | 2152 | POL | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Filipiak, Rajmund | | | 1745 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Spionkowski, Fabian | | | 1745 * | POL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Zielinska, Aleksandra | | | 1745 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zelajtys, Jozef | | | 1839 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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) | | |
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