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Individual Calculations April 2021 |
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| Stachanczyk, Jacek Total change: -19.20 | |   |
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| Druzynowe Mistrzostwa Slaska Seniorow - Ekstraliga R1-6 | Chorzow | POL | 2021-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 2137 | 0.50 | 3 | -0.98 | 20 | -19.60 | |
|  Dzierzak, Radoslaw | f | | 2252 | POL | 0.00 | 1 | -0.34 | 20 | -6.80 | |  Duda, Lukasz | | | 2145 | POL | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Bachorczyk, Marcin | | | 2025 | POL | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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) | | | | Mistrzostwa Polski Niepelnosprawnych w szachach | Karpacz | POL | 2021-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 2137 | 6.00 | 9 | 0.02 | 20 | 0.40 | |
| | Weglarz, Janusz | | | 1737 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dzieczkaniec, Piotr | | | 1857 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Zminda, Bogdan | | | 2004 | POL | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Wolanski, Michal | | | 2054 | POL | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Nowak, Lukasz | f | | 2265 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Dukaczewski, Piotr | m | | 2168 | POL | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Jurkiewicz, Krzysztof | | | 1931 | POL | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Jelen, Janusz | | | 1826 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Piekielny, Pawel | | | 2121 | POL | 0.00 | 1 | -0.52 | 20 | -10.40 | | | * 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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