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Individual Calculations October 2020 |
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| Dukaczewski, Piotr Total change: -17.40 | |   |
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| Puchar Polski Niewidomych i Slabowidzacych w szachach | Ustron | POL | 2020-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 2180 | 6.50 | 9 | -0.87 | 20 | -17.40 | |
|  Ignaciak, Piotr | | | 1780 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Racis, Michal | | | 1780 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kulpinski, Piotr | | | 1896 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Wolanski, Michal | | | 1990 | POL | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Stachanczyk, Jacek | m | | 2156 | POL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Niecko, Stanislaw | | | 1780 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Miodonski, Miroslaw | | | 1780 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Migala, Andrzej | | | 2073 | POL | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Tryjanska, Emilia | | | 1780 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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